1 00:00:00,700 --> 00:00:05,033 ♪♪ 2 00:00:05,100 --> 00:00:06,466 Kevin: On "Ask This Old House," 3 00:00:06,533 --> 00:00:09,033 Our experts travel across the country 4 00:00:09,100 --> 00:00:11,466 to answer questions about your house. 5 00:00:11,533 --> 00:00:17,733 ♪♪ 6 00:00:17,800 --> 00:00:21,066 Today, Mauro shows how playing with shades of color 7 00:00:21,133 --> 00:00:23,033 can brighten a dark space. 8 00:00:23,100 --> 00:00:26,866 Mauro: I know this is going to look very nice here. 9 00:00:26,933 --> 00:00:29,633 Kevin: And do you struggle with water in your basement? 10 00:00:29,700 --> 00:00:31,400 Richard and Mark answer some common questions 11 00:00:31,466 --> 00:00:33,933 about this problem. 12 00:00:34,033 --> 00:00:36,533 Plus on "Build It," Tom makes a bat house 13 00:00:36,600 --> 00:00:40,300 that can support the ecosystem of these beneficial creatures. 14 00:00:41,800 --> 00:00:44,600 All that next on "Ask This Old House." 15 00:00:46,766 --> 00:00:50,600 ♪♪ 16 00:00:50,666 --> 00:00:51,866 Kevin: Hey, Jenn. Hey, Tommy. 17 00:00:51,933 --> 00:00:53,033 Tom: Hey, Kevin. Jenn: Hey. 18 00:00:53,100 --> 00:00:54,533 Kevin: What are you guys working on? 19 00:00:54,600 --> 00:00:55,866 Tom: Well, I'm looking at a website from the state. 20 00:00:55,933 --> 00:00:58,366 Talks about bats and bat houses. 21 00:00:58,433 --> 00:01:00,966 Kevin: Running out of projects, Pops? Bat houses? 22 00:01:01,033 --> 00:01:03,333 Tom: I'm thinking about it. Jenn: They're very important 23 00:01:03,400 --> 00:01:04,666 to the ecosystem. Right? 24 00:01:04,733 --> 00:01:06,800 So they are a natural pest control 25 00:01:06,866 --> 00:01:08,400 right here in Massachusetts. 26 00:01:08,466 --> 00:01:12,066 They do an amazing job culling down the mosquito population. 27 00:01:12,133 --> 00:01:13,533 Kevin: You do see them sort of zinging around. 28 00:01:13,600 --> 00:01:15,733 Jenn: Yeah, yeah, yeah. And at night there's certain, 29 00:01:15,800 --> 00:01:17,533 like, beetles and moths that eat crops. 30 00:01:17,600 --> 00:01:20,100 So they also help out with that -- natural pest control. 31 00:01:20,166 --> 00:01:22,366 Kevin: So pest control. They're hungry buggers, huh? 32 00:01:22,433 --> 00:01:24,066 Jenn: Yes. And they're also great pollinators. 33 00:01:24,133 --> 00:01:27,033 They go for -- In the desert and tropical areas, 34 00:01:27,100 --> 00:01:29,033 they love to feed off of fruit trees. 35 00:01:29,100 --> 00:01:31,700 So the blooms that open at night, they go in, 36 00:01:31,766 --> 00:01:34,066 they pollinate, and they move on to the next. 37 00:01:34,133 --> 00:01:35,733 So very important. Kevin: Wow. 38 00:01:35,800 --> 00:01:38,500 Jenn: And another important fact -- the agave plant. 39 00:01:38,566 --> 00:01:40,900 They depend on bats for their pollination. 40 00:01:41,000 --> 00:01:43,800 Kevin: Ooh. And from the agave plant, we get tequila. 41 00:01:43,866 --> 00:01:45,400 Jenn: Tequila. Kevin: Nectar of the gods. 42 00:01:45,466 --> 00:01:47,633 Jenn: Yep. So they help out financially 43 00:01:47,700 --> 00:01:50,000 across the board with crops and everything, so... 44 00:01:50,066 --> 00:01:52,066 Kevin: I'm completely coming around the bats, Pops. 45 00:01:52,133 --> 00:01:53,200 Tom: They're party animals. 46 00:01:53,266 --> 00:01:54,833 Kevin: Bat shots. 47 00:01:54,900 --> 00:01:56,033 So you're thinking a bat house. 48 00:01:56,100 --> 00:01:57,366 Tom: So I'm thinking of a bat house. 49 00:01:57,433 --> 00:01:58,966 It looks like a pretty simple project. 50 00:01:59,033 --> 00:02:00,666 I can get some different ideas and work on it. 51 00:02:00,733 --> 00:02:02,500 And I think eventually we can sit around 52 00:02:02,566 --> 00:02:03,866 and build a bat house. Kevin: Alright. 53 00:02:03,933 --> 00:02:05,433 Well, maybe if you work on a plan, 54 00:02:05,500 --> 00:02:06,866 I'll check back later and we'll see how we can do. 55 00:02:06,933 --> 00:02:08,100 Jenn: Maybe you can build me one. 56 00:02:08,166 --> 00:02:09,366 Tom: No, I'm only building one, Jenn. 57 00:02:09,433 --> 00:02:10,600 Don't be pushy. Jenn: Come on. 58 00:02:10,666 --> 00:02:14,100 ♪♪ 59 00:02:14,166 --> 00:02:16,666 Mauro: I'm on my way to help a homeowner 60 00:02:16,733 --> 00:02:19,366 to brighten up a dark room in the house. 61 00:02:19,433 --> 00:02:22,433 But in this case, if you don't have any 62 00:02:22,500 --> 00:02:24,100 or much of a natural light, 63 00:02:24,166 --> 00:02:29,833 the first thing I will suggest is I paint the ceilings, trim, 64 00:02:29,900 --> 00:02:31,900 and doors with a brighter color, 65 00:02:31,966 --> 00:02:34,766 maybe like a white or one of those off-whites. 66 00:02:34,833 --> 00:02:36,233 And then the walls, 67 00:02:36,300 --> 00:02:39,766 you can use a little bit of color, but not too dark. 68 00:02:39,833 --> 00:02:42,100 When you bring a light color into a room, 69 00:02:42,166 --> 00:02:45,266 you're going to make a lot of more enjoyable space 70 00:02:45,333 --> 00:02:47,333 and a much more comfortable room 71 00:02:47,400 --> 00:02:50,933 that you can enjoy anytime during the day or the evening. 72 00:02:51,000 --> 00:02:57,633 ♪♪ 73 00:02:57,700 --> 00:03:04,300 ♪♪ 74 00:03:04,366 --> 00:03:05,900 Hi, Molly. Molly: Hi. 75 00:03:05,966 --> 00:03:06,933 Mauro: Nice to meet you. Molly: Nice to meet you. 76 00:03:07,000 --> 00:03:08,300 Come on in. Mauro: Alright. 77 00:03:08,366 --> 00:03:10,933 I know you want to do some paint around your place here. 78 00:03:11,000 --> 00:03:12,733 Molly: Yes, and I need help choosing a color. 79 00:03:12,800 --> 00:03:14,033 Mauro: Alright. Cool. 80 00:03:14,100 --> 00:03:15,533 Molly: So, I moved in here about a year ago, 81 00:03:15,600 --> 00:03:17,800 and I don't get a lot of natural light. 82 00:03:17,866 --> 00:03:19,666 Mauro: Okay. Oh, it's that? Look at that. 83 00:03:19,733 --> 00:03:21,833 Molly: Yeah. And so I want to brighten up the space, 84 00:03:21,900 --> 00:03:24,366 and I don't really like neutral colors. 85 00:03:24,433 --> 00:03:26,433 And I really like to have color. Mauro: Okay. 86 00:03:26,500 --> 00:03:27,833 Beautiful. 87 00:03:27,900 --> 00:03:30,000 I noticed that you have three different colors there. 88 00:03:30,066 --> 00:03:32,700 And which one do you like the best? 89 00:03:32,766 --> 00:03:34,533 Molly: My favorite is this blue. Mauro: Okay. 90 00:03:34,600 --> 00:03:35,700 This is gonna look fantastic. 91 00:03:35,766 --> 00:03:37,833 I like that blue throughout the space. 92 00:03:37,900 --> 00:03:40,933 But I also notice the ceiling is not bright white. 93 00:03:41,000 --> 00:03:42,966 Are you planning to do any work with the ceiling 94 00:03:43,033 --> 00:03:45,100 and the walls at the same time? How is that going to work? 95 00:03:45,166 --> 00:03:47,366 Molly: I'm planning to paint the ceiling white eventually. 96 00:03:47,433 --> 00:03:49,200 Mauro: Okay, but first you want to do the walls? 97 00:03:49,266 --> 00:03:50,566 Molly: Right. For right now, just the walls. 98 00:03:50,633 --> 00:03:52,166 Mauro: Alright. I also notice the wall 99 00:03:52,233 --> 00:03:54,766 there in that corner doesn't have much light breaking it. 100 00:03:54,833 --> 00:03:57,100 Molly: Yes. So that's part of what I've been struggling with, 101 00:03:57,166 --> 00:03:58,933 that the color looks so different on 102 00:03:59,000 --> 00:04:00,133 each side of the room. Mauro: Okay. 103 00:04:00,200 --> 00:04:01,833 Got it. So here's what I propose 104 00:04:01,900 --> 00:04:04,400 that I'm going to do for you. It's got this color. 105 00:04:04,466 --> 00:04:07,366 And we're going to make four different samples 106 00:04:07,433 --> 00:04:10,266 from the same color -- same color, different shades. 107 00:04:10,333 --> 00:04:14,300 And maybe one of them will work perfect for that 108 00:04:14,366 --> 00:04:15,666 compared to this area here. 109 00:04:15,733 --> 00:04:17,333 Molly: And will that have it look 110 00:04:17,400 --> 00:04:19,833 the same color all around the room? 111 00:04:19,900 --> 00:04:21,966 Mauro: It's going to look slight different. 112 00:04:22,033 --> 00:04:23,633 That's going to be a slight lighter there 113 00:04:23,700 --> 00:04:25,766 because not enough light in there. 114 00:04:25,833 --> 00:04:27,400 Okay? So we can try them. 115 00:04:27,466 --> 00:04:30,033 And once you be happy with the one you like, we'll go to work, 116 00:04:30,100 --> 00:04:31,366 you and I. Molly: Okay. 117 00:04:31,433 --> 00:04:32,833 Mauro: Alright. I'm going to get the samples. 118 00:04:32,900 --> 00:04:35,333 Be right back. You and I, we have a lot of work to do. 119 00:04:35,400 --> 00:04:36,566 Molly: Okay. Sounds good. 120 00:04:36,633 --> 00:04:40,700 ♪♪ 121 00:04:40,766 --> 00:04:42,500 Mauro: Molly, here we go. We have four 122 00:04:42,566 --> 00:04:48,066 different shades of blue -- 100%, 75%, 50%, and 25%. 123 00:04:48,133 --> 00:04:52,333 I'll hold this up. I know this is going to look very nice here. 124 00:04:52,400 --> 00:04:53,766 It's going to do the work for us, 125 00:04:53,833 --> 00:04:56,000 but the other walls is the trickier one. 126 00:04:56,066 --> 00:04:57,766 Let's check that one out. 127 00:04:57,833 --> 00:05:00,300 Okay. Let's try these colors here, Molly. 128 00:05:00,366 --> 00:05:03,833 Here we have the 100% formula. What do you think? 129 00:05:03,900 --> 00:05:05,033 Molly: I think it's too dark on this side. 130 00:05:05,100 --> 00:05:06,066 Mauro: Too dark with that. I agree. 131 00:05:06,133 --> 00:05:08,033 So okay, that's too dark. 132 00:05:08,100 --> 00:05:12,133 Now we have the 75% formula. 133 00:05:12,200 --> 00:05:13,333 Molly: That's much better over here. 134 00:05:13,400 --> 00:05:15,333 Mauro: Much better. But not there yet? 135 00:05:15,400 --> 00:05:16,700 Molly: No. Mauro: Alright. Cool. 136 00:05:16,766 --> 00:05:21,933 Alright. Now we have the 50% formula. 137 00:05:22,000 --> 00:05:23,433 Molly: That's even better. 138 00:05:23,500 --> 00:05:24,666 Mauro: That's even better. We're getting there. 139 00:05:24,733 --> 00:05:26,833 Okay, now we have one more. Molly: Yeah. 140 00:05:26,900 --> 00:05:30,300 Mauro: This is the lightest one, is the 25%. 141 00:05:30,366 --> 00:05:31,733 Molly: Yeah, I think that's too light. 142 00:05:31,800 --> 00:05:33,066 Mauro: Too light, okay. 143 00:05:33,133 --> 00:05:35,033 That doesn't work for us with the wall here. 144 00:05:35,100 --> 00:05:36,666 Molly: So it's either 50% or 75%. 145 00:05:36,733 --> 00:05:39,166 Mauro: 50% or 75%. Alright, okay. 146 00:05:39,233 --> 00:05:42,466 We have the 75% formula on my right. 147 00:05:42,533 --> 00:05:46,233 And then we have the 50% on my left. Alright? 148 00:05:46,300 --> 00:05:49,466 So which one do you feel like is going to do better for us here? 149 00:05:49,533 --> 00:05:50,866 Molly: I think the 50% is better. 150 00:05:50,933 --> 00:05:53,366 Mauro: The 50%? 75% won't do it? Molly: No. 151 00:05:53,433 --> 00:05:56,833 Mauro: Alright. I agree with you. Let's do it this way now. 152 00:05:56,900 --> 00:05:58,300 Molly: Yeah. That looks great. 153 00:05:58,366 --> 00:05:59,700 Mauro: Right there? Molly: Yeah. 154 00:05:59,766 --> 00:06:00,933 Mauro: I think that's going to look fantastic. 155 00:06:01,000 --> 00:06:02,233 I think we got our color. Molly: Okay. 156 00:06:02,300 --> 00:06:03,766 Mauro: Alright. 157 00:06:03,833 --> 00:06:06,600 Well, before we paint, we do some prep work to do. 158 00:06:06,666 --> 00:06:09,300 Here we go. 159 00:06:09,366 --> 00:06:10,766 We're going to move the furniture, 160 00:06:10,833 --> 00:06:13,100 outlet covers we're going to remove. 161 00:06:15,300 --> 00:06:17,666 Going to go all the way to the bottom here. 162 00:06:20,800 --> 00:06:21,933 Alright. 163 00:06:22,000 --> 00:06:23,300 We're going to tape the baseboards 164 00:06:23,366 --> 00:06:24,700 and we'll drop-cloth the floors, 165 00:06:24,766 --> 00:06:26,600 protect the floors, and we're ready to paint. 166 00:06:26,666 --> 00:06:31,700 ♪♪ 167 00:06:31,766 --> 00:06:34,833 Well, now you notice you and I, we protect everything. 168 00:06:34,900 --> 00:06:36,366 Now it's time to paint. Molly: Okay. 169 00:06:36,433 --> 00:06:38,466 Mauro: Okay? We're going to start with the 100 first. 170 00:06:38,533 --> 00:06:40,100 Molly: Okay. Mauro: And then we go to the 50. 171 00:06:40,166 --> 00:06:41,733 Molly: Okay. Do we need to prime the walls? 172 00:06:41,800 --> 00:06:43,066 Mauro: We don't need to prime 173 00:06:43,133 --> 00:06:45,933 really because the walls is a very good shape. 174 00:06:46,000 --> 00:06:47,266 It has been painted before. 175 00:06:47,333 --> 00:06:48,966 So we can go straight with paint. 176 00:06:49,033 --> 00:06:50,300 Molly: Okay. Mauro: Ready to go? 177 00:06:50,366 --> 00:06:52,566 Molly: Let's go. Mauro: Let's have some fun. 178 00:06:52,633 --> 00:06:55,066 Just give it a longer stroke. Okay? 179 00:06:55,133 --> 00:06:57,266 There we go. Nice. 180 00:06:57,333 --> 00:07:06,633 ♪♪ 181 00:07:06,700 --> 00:07:09,500 Go all the way down in one stroke. 182 00:07:09,566 --> 00:07:11,433 Here we go. Perfect. 183 00:07:11,500 --> 00:07:19,766 ♪♪ 184 00:07:19,833 --> 00:07:28,066 ♪♪ 185 00:07:28,133 --> 00:07:29,033 Ah. 186 00:07:29,100 --> 00:07:36,366 ♪♪ 187 00:07:36,433 --> 00:07:43,700 ♪♪ 188 00:07:43,766 --> 00:07:45,466 Molly: Hey, it looks like we're done with the 100. 189 00:07:45,533 --> 00:07:47,600 Mauro: This looks perfect. Looks nice. 190 00:07:47,666 --> 00:07:49,900 We're wrapping with the 100. Let's start the 50. 191 00:07:49,966 --> 00:07:51,300 Molly: Okay, let's do it. 192 00:07:51,366 --> 00:07:57,433 ♪♪ 193 00:07:57,500 --> 00:08:03,533 ♪♪ 194 00:08:03,600 --> 00:08:06,933 Mauro: Well, both colors, first coat is done. Let's let it dry. 195 00:08:07,000 --> 00:08:10,166 We'll come back for the second and final coat of it. 196 00:08:10,233 --> 00:08:12,166 Alright? Molly: Okay. Sounds good. 197 00:08:12,233 --> 00:08:13,666 Mauro: Alright. First coat is dry. 198 00:08:13,733 --> 00:08:15,633 Let's get on with the second coat. 199 00:08:15,700 --> 00:08:17,300 Molly: Okay. Mauro: We're gonna do the same 200 00:08:17,366 --> 00:08:18,700 way as we did the first coat. 201 00:08:18,766 --> 00:08:20,166 We're going to cut. We're going to roll. 202 00:08:20,233 --> 00:08:22,500 And we keep going. Alright? Molly: Okay. 203 00:08:26,766 --> 00:08:28,566 Mauro: Well, Molly, look at this. 204 00:08:28,633 --> 00:08:30,333 Molly: It looks good. Mauro: Amazing. 205 00:08:30,400 --> 00:08:34,233 Second coat is dry to the touch. You know what time it is? 206 00:08:34,300 --> 00:08:35,500 Molly: It's time to clean up? 207 00:08:35,566 --> 00:08:37,133 Mauro: Remove the tape. Let's go. 208 00:08:37,200 --> 00:08:39,066 I'll show you how to do it, and then you get to take it over. 209 00:08:39,133 --> 00:08:41,966 Okay? So just lift the bottom. 210 00:08:42,033 --> 00:08:45,366 Give the tape like a 45-degree angle. 211 00:08:45,433 --> 00:08:47,533 Go just like this. Molly: Okay. 212 00:08:47,600 --> 00:08:49,200 Mauro: Nice and easy. 213 00:08:49,266 --> 00:08:53,466 Alright? Just like that. Alright, take it over. 214 00:08:53,533 --> 00:08:55,633 And I will start this end over here. 215 00:08:55,700 --> 00:08:57,633 Molly: How long should you leave the tape on? 216 00:08:57,700 --> 00:09:00,400 Mauro: Second coat is dry to touch it, 217 00:09:00,466 --> 00:09:01,866 time to remove the tape. 218 00:09:01,933 --> 00:09:05,066 What happens is, if you wait too long, 219 00:09:05,133 --> 00:09:08,766 some paint might come with it when you remove the tape. 220 00:09:08,833 --> 00:09:12,600 And we don't want that, right? Molly: Right. 221 00:09:15,566 --> 00:09:19,366 Mauro: There we go. Perfect. Wow, Molly, look at this room. 222 00:09:19,433 --> 00:09:20,766 What do you think? Molly: It looks great. 223 00:09:20,833 --> 00:09:23,000 Mauro: Remember that dark side of the walls there? 224 00:09:23,066 --> 00:09:24,100 Molly: Yeah. It's so much brighter now. 225 00:09:24,166 --> 00:09:25,500 Mauro: It looks beautiful. 226 00:09:25,566 --> 00:09:27,700 Well, any more projects, let me know. 227 00:09:27,766 --> 00:09:29,900 I'll be happy to come here and help you again. 228 00:09:29,966 --> 00:09:31,300 Molly: Thank you. Mauro: Thank you. Molly. 229 00:09:31,366 --> 00:09:37,100 ♪♪ 230 00:09:37,166 --> 00:09:38,466 Kevin: Hey, Mark. Hey, Richard. Richard: Hey, there. 231 00:09:38,533 --> 00:09:39,666 Mark: Hey, Kevin. Kevin: Just the two gentlemen 232 00:09:39,733 --> 00:09:41,233 we need to talk to. Richard: Hope so. 233 00:09:41,300 --> 00:09:43,366 Kevin: Wet basements -- probably the most frequent 234 00:09:43,433 --> 00:09:44,833 question we get from viewers. 235 00:09:44,900 --> 00:09:46,933 And it seems like you two are those guys that help us out, 236 00:09:47,000 --> 00:09:48,466 figure out how to keep our basements dry. 237 00:09:48,533 --> 00:09:49,900 Mark: Right. Alright, well, two different ways 238 00:09:49,966 --> 00:09:52,066 the water can come in from the outside. 239 00:09:52,133 --> 00:09:55,533 No gutter, downspout is in the wrong position, come in. 240 00:09:55,600 --> 00:09:56,766 go right through the foundation. 241 00:09:56,833 --> 00:09:58,166 The second way is water 242 00:09:58,233 --> 00:10:00,000 rises through that concrete floor in the basement. 243 00:10:00,066 --> 00:10:01,466 Kevin: Only two ways? Richard: It makes me think 244 00:10:01,533 --> 00:10:04,033 of what an old-time sailing captain taught me. 245 00:10:04,100 --> 00:10:06,733 He said a house is nothing but a poorly built boat 246 00:10:06,800 --> 00:10:09,033 so firmly run aground, you wouldn't dare pull her off. 247 00:10:09,100 --> 00:10:12,600 And it's a question of can you keep the water out of this boat, 248 00:10:12,666 --> 00:10:14,500 which is our house? And that's the challenge. 249 00:10:14,566 --> 00:10:15,633 Kevin: So let's talk about keeping -- 250 00:10:15,700 --> 00:10:17,133 If it's that surface water, 251 00:10:17,200 --> 00:10:18,800 if it's sort of coming down from you say gutters, 252 00:10:18,866 --> 00:10:20,200 roofs and stuff like that... Mark: Right. 253 00:10:20,266 --> 00:10:21,533 Kevin: Thoughts on how we manage that? 254 00:10:21,600 --> 00:10:23,833 Mark: So, if we have new construction, easy enough. 255 00:10:23,900 --> 00:10:25,900 All we do is run a perforated pipe 256 00:10:25,966 --> 00:10:27,866 all the way around the foundation. 257 00:10:27,933 --> 00:10:31,033 That cuts out to a dry well. The water gets collected 258 00:10:31,100 --> 00:10:33,200 and ends up in the dry well and dissipates. 259 00:10:33,266 --> 00:10:35,800 Kevin: Right. Harder to do if it's not new construction. 260 00:10:35,866 --> 00:10:37,400 Mark: Exactly. You have trees, bushes, 261 00:10:37,466 --> 00:10:39,366 the whole nine yards right in front of the foundation. 262 00:10:39,433 --> 00:10:42,766 So expensive to dig and really not cost-effective. 263 00:10:42,833 --> 00:10:44,400 Kevin: So if it's not new construction 264 00:10:44,466 --> 00:10:45,700 and we don't want to go through the expense 265 00:10:45,766 --> 00:10:48,033 and cost of digging a trench on the outside, 266 00:10:48,100 --> 00:10:49,400 what are we doing to keep the basement dry? 267 00:10:49,466 --> 00:10:51,866 Mark: So take the French drain and put it inside. 268 00:10:51,933 --> 00:10:54,400 What we do at that point is we dig 269 00:10:54,466 --> 00:10:56,066 around the perimeter of the foundations. 270 00:10:56,133 --> 00:10:58,733 We cut the concrete at 12 inches out, 271 00:10:58,800 --> 00:11:01,433 we break that up, we dig down about 12 inches. 272 00:11:01,500 --> 00:11:04,600 We replace that with 12 inches of gravel. 273 00:11:04,666 --> 00:11:06,100 But in the middle of that gravel, 274 00:11:06,166 --> 00:11:08,533 we put this perforated pipe, and you can see those holes. 275 00:11:08,600 --> 00:11:10,200 That's going to take in the water. 276 00:11:10,266 --> 00:11:12,233 This water comes out of one corner, 277 00:11:12,300 --> 00:11:14,166 goes all the way around the foundation 278 00:11:14,233 --> 00:11:16,900 ends up in the same corner, and... 279 00:11:16,966 --> 00:11:19,500 Richard: That all goes to what they call a sump, 280 00:11:19,566 --> 00:11:22,000 which is fundamentally the same as a bilge on a boat. 281 00:11:22,066 --> 00:11:23,966 So once you have a sump or a bilge, 282 00:11:24,033 --> 00:11:26,300 you're going to need some mechanical pump to get it out. 283 00:11:26,366 --> 00:11:27,966 The original sump pumps that we always have used, 284 00:11:28,033 --> 00:11:31,100 used to have a motor that sat up in the air space, 285 00:11:31,166 --> 00:11:34,466 and then a tube down to a volute and a long float. 286 00:11:34,533 --> 00:11:37,366 Nowadays we see more and more of these submersible ones. 287 00:11:37,433 --> 00:11:39,833 Submersible has a float switch right here 288 00:11:39,900 --> 00:11:42,366 that will activate at about 9 1/2 inches, 289 00:11:42,433 --> 00:11:44,533 and it'll shut off at about 4 inches, 290 00:11:44,600 --> 00:11:46,533 thereby leaving water in the bottom of the sump, 291 00:11:46,600 --> 00:11:48,033 which seems counterintuitive, 292 00:11:48,100 --> 00:11:51,333 but this is actually a cast-iron volute with an impeller inside, 293 00:11:51,400 --> 00:11:53,733 and they want to keep this moist or wet 294 00:11:53,800 --> 00:11:55,333 so that it doesn't dry out and rust. 295 00:11:55,400 --> 00:11:57,566 And so it's with intention. 296 00:11:57,633 --> 00:11:59,166 The other thing is this is a submersible. 297 00:11:59,233 --> 00:12:02,933 So it's underwater, so it'll run cooler and quieter. 298 00:12:03,000 --> 00:12:06,600 But once you live and die by this sump pump, you know, 299 00:12:06,666 --> 00:12:08,366 and you need it, you got to worry about 300 00:12:08,433 --> 00:12:10,100 what happens if the power goes away. 301 00:12:10,166 --> 00:12:12,000 Kevin: Yeah, sure. Richard: This is a 12-volt 302 00:12:12,066 --> 00:12:13,900 backup and has a different type of sensor. 303 00:12:13,966 --> 00:12:16,500 The operating float switch for this backup pump 304 00:12:16,566 --> 00:12:17,933 would be mounted in such a position 305 00:12:18,000 --> 00:12:20,866 that it would be higher than the float activation point 306 00:12:20,933 --> 00:12:24,433 for the regular 110-volt sump, so if this ever failed, 307 00:12:24,500 --> 00:12:25,833 the water would continue to rise, 308 00:12:25,900 --> 00:12:29,100 make this switch and bring this on through the battery, 309 00:12:29,166 --> 00:12:33,333 and that means you might get 10 to 20 hours of pump, 310 00:12:33,400 --> 00:12:35,433 just enough to get you through that power interruption. 311 00:12:35,500 --> 00:12:36,666 Kevin: Right. Richard: Another important 312 00:12:36,733 --> 00:12:38,133 detail about installations -- 313 00:12:38,200 --> 00:12:40,533 we see this all the time -- This is your best friend. 314 00:12:40,600 --> 00:12:43,366 This is an important device called a check valve. 315 00:12:43,433 --> 00:12:47,666 Now, a check valve has a little flapper inside of it right here. 316 00:12:47,733 --> 00:12:51,366 Okay? And what happens is, if it didn't -- 317 00:12:51,433 --> 00:12:52,866 if it wasn't installed, 318 00:12:52,933 --> 00:12:55,733 that pump and/or that pump would come on and it would pump 319 00:12:55,800 --> 00:12:58,400 and it would go out 30, 40, 50 feet to outside. 320 00:12:58,466 --> 00:13:01,266 And when it's shut off, what would happen? 321 00:13:01,333 --> 00:13:03,833 All the water in that pipe would fall back to the pits, 322 00:13:03,900 --> 00:13:06,333 fill the sump again, activate the thing. 323 00:13:06,400 --> 00:13:08,200 So literally it would be a perpetual motion machine 324 00:13:08,266 --> 00:13:09,433 on and off all the time. 325 00:13:09,500 --> 00:13:11,400 So this check valve is critically important 326 00:13:11,466 --> 00:13:12,866 to make sure you don't burn out the pipe. 327 00:13:12,933 --> 00:13:14,900 Kevin: Gotcha. So if I walk into a basement 328 00:13:14,966 --> 00:13:16,466 and I see a sump pump, I'm thinking, 329 00:13:16,533 --> 00:13:18,633 "Ah, I got a wet basement." You know, avoid at all costs. 330 00:13:18,700 --> 00:13:21,033 Is this a bad sign to have it down there in the basement? 331 00:13:21,100 --> 00:13:23,533 Mark: So, I think that's the misconception of the day. 332 00:13:23,600 --> 00:13:25,533 Back when I was a young guy, 333 00:13:25,600 --> 00:13:27,533 people would come in and buy a house. 334 00:13:27,600 --> 00:13:30,066 If they saw a sump pump, they were gone. 335 00:13:30,133 --> 00:13:32,400 Today, I look at a sump pump and I say, "Okay, 336 00:13:32,466 --> 00:13:33,800 water table is the water table, 337 00:13:33,866 --> 00:13:35,433 but you're handling the situation." 338 00:13:35,500 --> 00:13:37,400 Sometimes you can't build these houses high enough, 339 00:13:37,466 --> 00:13:39,266 so they have to be where they have to be. 340 00:13:39,333 --> 00:13:40,566 You have a sump pump. 341 00:13:40,633 --> 00:13:42,000 Again, you've taken care of the problem. 342 00:13:42,066 --> 00:13:43,300 Kevin: This tells you at least you thought it through 343 00:13:43,366 --> 00:13:44,433 and you've got a way to deal with it. 344 00:13:44,500 --> 00:13:45,666 Mark: Exactly. Richard: Some people are 345 00:13:45,733 --> 00:13:46,900 so desperate to have a finished basement 346 00:13:46,966 --> 00:13:48,266 that they'll actually use this too, 347 00:13:48,333 --> 00:13:51,400 which is this rubberized or plasticized material 348 00:13:51,466 --> 00:13:53,300 on this side of some strand board. 349 00:13:53,366 --> 00:13:55,266 And so now at least you've got a place 350 00:13:55,333 --> 00:13:56,833 you can have a dry floor to build off. 351 00:13:56,900 --> 00:13:59,200 Mark: Right. And I'm also going to add that this system 352 00:13:59,266 --> 00:14:01,466 that I'm talking about is a cure-all. 353 00:14:01,533 --> 00:14:03,166 It actually -- This perforated pipe 354 00:14:03,233 --> 00:14:04,566 is actually going to grab that water 355 00:14:04,633 --> 00:14:07,066 before it hits the bottom of your concrete floor 356 00:14:07,133 --> 00:14:08,600 and then again shift it to that point. 357 00:14:08,666 --> 00:14:09,900 Richard: No water underneath it. Mark: That's right. 358 00:14:09,966 --> 00:14:11,333 Richard: Right. Kevin: I knew you guys were 359 00:14:11,400 --> 00:14:12,633 the right guys to talk to. Richard: That's right. 360 00:14:12,700 --> 00:14:13,600 Kevin: Absolutely. Richard: We'll be here 361 00:14:13,666 --> 00:14:15,033 in the basement. Mark: Yeah. 362 00:14:15,100 --> 00:14:16,933 Kevin: Or on a boat. Everything's a boat to you. 363 00:14:17,000 --> 00:14:22,566 ♪♪ 364 00:14:22,633 --> 00:14:25,100 So, bat houses, huh, Tommy? 365 00:14:25,166 --> 00:14:26,766 Tom: Yeah. I thought we'd make a bat house 366 00:14:26,833 --> 00:14:29,433 for those little critters that fly around the backyard. 367 00:14:29,500 --> 00:14:31,133 But it's important the material we use. 368 00:14:31,200 --> 00:14:32,866 First of all, we're going to use a 2x4. 369 00:14:32,933 --> 00:14:34,433 But we want to make sure that it's not 370 00:14:34,500 --> 00:14:36,133 a pressure-treated 2x4 371 00:14:36,200 --> 00:14:39,133 because you don't want the bats to ingest that chemical. 372 00:14:39,200 --> 00:14:40,733 Kevin: So you picked up some what, some cedar? 373 00:14:40,800 --> 00:14:42,333 Tom: This is a cedar. It's a little pricey. 374 00:14:42,400 --> 00:14:44,433 I mean, you could use a conventional 2x4, 375 00:14:44,500 --> 00:14:48,000 but that 2x4 will rot over time a lot faster than that will. 376 00:14:48,066 --> 00:14:49,266 Kevin: Nothing's too good for the bats. 377 00:14:49,333 --> 00:14:50,466 Tom: Exactly. 378 00:14:50,533 --> 00:14:52,600 And we're going to use a rough plywood 379 00:14:52,666 --> 00:14:54,666 because you want something that they can cling to. 380 00:14:54,733 --> 00:14:59,133 So this is an exterior-grade CDX, 3/4 inch thick. 381 00:14:59,200 --> 00:15:00,566 Alright? So that should last long. 382 00:15:00,633 --> 00:15:04,333 And it's also important that we use a water-based paint 383 00:15:04,400 --> 00:15:06,300 because we don't want any of those oil chemicals 384 00:15:06,366 --> 00:15:08,666 getting to the bats. And we want to paint it black. 385 00:15:08,733 --> 00:15:11,166 The reason we want black is because the sun will heat it up, 386 00:15:11,233 --> 00:15:12,900 keeping the bats warm during the day. 387 00:15:12,966 --> 00:15:15,100 Kevin: Oh, that's nice. Tom: Isn't that nice? 388 00:15:15,166 --> 00:15:19,166 And we use exterior screws and a little bit of caulking. 389 00:15:19,233 --> 00:15:21,366 That's actually also an adhesive 390 00:15:21,433 --> 00:15:23,466 for where the roof meets the back. 391 00:15:23,533 --> 00:15:25,766 We want to fill that crack so the water 392 00:15:25,833 --> 00:15:27,666 doesn't leak and get the bats wet. 393 00:15:27,733 --> 00:15:29,400 Kevin: Got the materials. Looks like you got a plan. 394 00:15:29,466 --> 00:15:32,100 I guess we're good to go. Tom: Ready to start cutting. 395 00:15:32,166 --> 00:15:34,866 Alright, I want to cut the 2x4 for the sides. 396 00:15:34,933 --> 00:15:36,900 I'm going to cut a rough length first. 397 00:15:36,966 --> 00:15:40,233 I set my saw at 20 degrees, and now I'm ready to cut. 398 00:15:42,266 --> 00:15:44,800 [ Saw whirring ] 399 00:15:49,100 --> 00:15:51,266 Alright, so now if I take my two pieces 400 00:15:51,333 --> 00:15:54,700 that both have a 20-degree angle on them, 401 00:15:54,766 --> 00:15:58,466 line them up, take my tape measure, 402 00:15:58,533 --> 00:16:04,033 and I bring it to the shot point of the angle, run it out, 403 00:16:04,100 --> 00:16:10,433 and I mark 21 for my length and make a cut. 404 00:16:10,500 --> 00:16:12,733 [ Saw whirring ] 405 00:16:19,333 --> 00:16:22,266 Now both pieces are the same length. 406 00:16:22,333 --> 00:16:24,733 Okay, so we cut a 4x8 sheet in half. 407 00:16:24,800 --> 00:16:27,033 So it's 4x4. The first thing I want to do 408 00:16:27,100 --> 00:16:31,066 is cut two pieces, 15x24, out of it. 409 00:16:31,133 --> 00:16:35,800 So we'll make it the 15 first... 410 00:16:35,866 --> 00:16:37,633 here... 411 00:16:37,700 --> 00:16:39,333 and here. 412 00:16:41,166 --> 00:16:43,033 [ Saw whirring ] 413 00:16:43,100 --> 00:16:45,366 These pieces will serve as the front, back, 414 00:16:45,433 --> 00:16:47,933 and partitions of the bat house. 415 00:16:58,733 --> 00:17:00,833 [ Saw whirring ] 416 00:17:06,166 --> 00:17:09,066 Now we got to cut the back and the front. 417 00:17:09,133 --> 00:17:10,833 [ Saw whirring ] 418 00:17:22,066 --> 00:17:26,566 Now I'll have to cut those to 11 1/2. 419 00:17:26,633 --> 00:17:28,966 So we've marked the angle for the pitch of the roof 420 00:17:29,033 --> 00:17:31,566 for our two interior baffles. 421 00:17:31,633 --> 00:17:33,866 Kevin: So sitting inside the frame of this house, Tommy, 422 00:17:33,933 --> 00:17:36,500 there's basically two vertical pieces 423 00:17:36,566 --> 00:17:38,700 that sort of create partitions? Tom: Two dividers. 424 00:17:38,766 --> 00:17:41,700 And the spacing is a little over 5/8 inch. 425 00:17:41,766 --> 00:17:42,866 Kevin: Yeah. 426 00:17:42,933 --> 00:17:45,200 [ Saw whirring ] 427 00:17:49,900 --> 00:17:52,100 Tom: Next thing I want to do is cut the front. 428 00:17:52,166 --> 00:17:54,466 Now this piece will be a little bit wider, 429 00:17:54,533 --> 00:17:56,800 but the angle is still the same. 430 00:17:56,866 --> 00:17:58,633 [ Saw whirring ] 431 00:18:03,633 --> 00:18:06,200 Now we're almost ready to put our pieces together. 432 00:18:06,266 --> 00:18:08,533 But before we do that, we want to make a place 433 00:18:08,600 --> 00:18:11,566 for the bats to grab on to when they land. 434 00:18:11,633 --> 00:18:15,366 So I'm going to put a series of grooves right across the bottom. 435 00:18:15,433 --> 00:18:17,900 So when they hit it, basically they can grab on 436 00:18:17,966 --> 00:18:20,166 as they walk up inside. 437 00:18:20,233 --> 00:18:22,200 [ Saw whirring ] 438 00:18:28,533 --> 00:18:29,766 That should do it. 439 00:18:29,833 --> 00:18:31,866 Kevin: It's like a bat ladder. Tom: Yeah. 440 00:18:32,800 --> 00:18:35,000 Alright, we're almost ready to assemble it, 441 00:18:35,066 --> 00:18:37,833 but let's dry-fit all of our pieces first. 442 00:18:37,900 --> 00:18:38,966 This will be the bottom. 443 00:18:39,033 --> 00:18:40,333 This is where the bats will land. 444 00:18:40,400 --> 00:18:42,166 And they'll crawl up inside. You like that? 445 00:18:42,233 --> 00:18:44,000 Crawl up inside. Kevin: [ Laughs ] 446 00:18:44,066 --> 00:18:47,433 Tom: Alright, so we put one of our sides together right here. 447 00:18:47,500 --> 00:18:51,933 That's the roof pitch like that. 448 00:18:52,000 --> 00:18:55,633 We'll take a filler or just a scrap piece of wood 449 00:18:55,700 --> 00:18:58,300 and put it there. One on the bottom. 450 00:18:58,366 --> 00:19:01,233 That's the space that the bats will crawl in. 451 00:19:01,300 --> 00:19:04,466 Place one here. 452 00:19:04,533 --> 00:19:06,033 And make it even on the bottom. 453 00:19:06,100 --> 00:19:09,233 A couple more scraps. 454 00:19:09,300 --> 00:19:12,300 One more baffle goes in. 455 00:19:14,300 --> 00:19:15,866 Just like that. 456 00:19:15,933 --> 00:19:18,500 Kevin: So you can see how they come up through the bottom. 457 00:19:18,566 --> 00:19:20,133 Tom: They come up through the bottom. 458 00:19:20,200 --> 00:19:22,500 Now, if you notice that we've kept the baffles 459 00:19:22,566 --> 00:19:25,433 down from the top edge of the 2x4, 460 00:19:25,500 --> 00:19:28,166 and that's to create a space, so if the bats want to, 461 00:19:28,233 --> 00:19:31,900 they can climb up in any one of these spaces, 462 00:19:31,966 --> 00:19:33,566 climb up and go back down. 463 00:19:33,633 --> 00:19:36,500 Climb up and go back down, whatever they want to. 464 00:19:36,566 --> 00:19:38,433 They can climb up here and then go down. 465 00:19:38,500 --> 00:19:39,466 Kevin: Hang out with their friends. 466 00:19:39,533 --> 00:19:40,766 Tom: Yeah, exactly. 467 00:19:40,833 --> 00:19:42,466 So when we put the front on, 468 00:19:42,533 --> 00:19:47,933 you'll see that there's three spaces and the front goes even 469 00:19:48,000 --> 00:19:53,333 with the top of the 2x4s when we put our roof on. 470 00:19:53,400 --> 00:19:54,800 And once we place the roof on, 471 00:19:54,866 --> 00:19:58,533 you can actually see that space also created a nice space 472 00:19:58,600 --> 00:20:02,200 for the bats to wander around inside. 473 00:20:02,266 --> 00:20:05,833 And that'll keep the water out and keep them nice and dry. 474 00:20:05,900 --> 00:20:07,566 Second piece for the front. 475 00:20:07,633 --> 00:20:09,800 We keep it down with about 1/4 inch space 476 00:20:09,866 --> 00:20:12,633 that lets the air circulate when it gets really hot. 477 00:20:12,700 --> 00:20:14,566 We'll keep the interior partitions 478 00:20:14,633 --> 00:20:18,300 down about 1/4 inch from the top to create a space 479 00:20:18,366 --> 00:20:21,533 so that the warm air can exit through the top 480 00:20:21,600 --> 00:20:24,066 and the cool air can come in through the bottom. 481 00:20:24,133 --> 00:20:31,700 ♪♪ 482 00:20:31,766 --> 00:20:39,366 ♪♪ 483 00:20:39,433 --> 00:20:47,000 ♪♪ 484 00:20:47,066 --> 00:20:54,633 ♪♪ 485 00:20:54,700 --> 00:20:57,033 Before we put the front and back on, 486 00:20:57,100 --> 00:20:59,966 I want to put a bead of caulking around the exterior 487 00:21:00,033 --> 00:21:02,966 to make sure the inside of the house stays watertight. 488 00:21:03,033 --> 00:21:08,033 ♪♪ 489 00:21:08,100 --> 00:21:09,566 Kevin: Want a bead there? 490 00:21:09,633 --> 00:21:12,766 Tom: I'm going to try to pre-drill some holes first 491 00:21:12,833 --> 00:21:16,433 because I know this might split if we don't. 492 00:21:16,500 --> 00:21:23,200 ♪♪ 493 00:21:23,266 --> 00:21:25,433 Now you're going to put that on there. We'll center it. 494 00:21:25,500 --> 00:21:30,266 ♪♪ 495 00:21:30,333 --> 00:21:34,500 Two vent holes on each side just to let the air circulate. 496 00:21:38,300 --> 00:21:40,966 The bat house is now ventilated. 497 00:21:41,033 --> 00:21:46,466 ♪♪ 498 00:21:46,533 --> 00:21:51,933 ♪♪ 499 00:21:52,000 --> 00:21:53,633 There you go. Kevin: That is a pretty 500 00:21:53,700 --> 00:21:55,066 good-looking bat house, Tommy. 501 00:21:55,133 --> 00:21:56,266 Tom: And it's a good size. Kevin: It's huge. 502 00:21:56,333 --> 00:21:57,866 It's for like three bat families. 503 00:21:57,933 --> 00:21:59,100 Tom: Yeah, well, how big are the families? 504 00:21:59,166 --> 00:22:00,500 Kevin: I have no idea. 505 00:22:00,566 --> 00:22:02,633 Alright, well, when I put this in my yard -- thank you, 506 00:22:02,700 --> 00:22:05,666 by the way -- any suggestions on where I put it? 507 00:22:05,733 --> 00:22:07,366 Tom: Well, I guess you can put it almost anywhere, 508 00:22:07,433 --> 00:22:09,600 but they recommend that you put it up relatively high 509 00:22:09,666 --> 00:22:11,033 to keep it away from predators. 510 00:22:11,100 --> 00:22:13,033 And also, the bats could use that space 511 00:22:13,100 --> 00:22:14,766 when they swoop down to get flight. 512 00:22:14,833 --> 00:22:16,033 Kevin: Very nice. 513 00:22:16,100 --> 00:22:17,166 Okay, well, the kids are going to be psyched. 514 00:22:17,233 --> 00:22:18,066 There are going to be fewer mosquitoes 515 00:22:18,133 --> 00:22:19,166 in the backyard this summer. 516 00:22:19,233 --> 00:22:20,500 Alright. Thank you, Tommy. Nice job. 517 00:22:20,566 --> 00:22:21,966 Tom: My pleasure. Thanks for all your help. 518 00:22:22,033 --> 00:22:23,600 Kevin: Alright. Plenty more coming up, 519 00:22:23,666 --> 00:22:26,100 so be sure to join us next time. Until then, I'm Kevin O'Connor. 520 00:22:26,166 --> 00:22:29,166 Tom: And I'm Tom Silva. Kevin: For "Ask This Old House." 521 00:22:29,233 --> 00:22:30,466 I guano [gonna] put this in my backyard. 522 00:22:30,533 --> 00:22:33,233 Tom: "I guano," oh, my gosh. Kevin: I guano. 523 00:22:33,300 --> 00:22:35,233 Tom: Been thinking about that all day, haven't you? 524 00:22:35,300 --> 00:22:36,733 Kevin: Eh. 525 00:22:41,833 --> 00:22:44,033 Kevin: Next time on "Ask This Old House"... 526 00:22:44,100 --> 00:22:46,666 Lee improves the soil conditions of a garden space 527 00:22:46,733 --> 00:22:49,100 that takes it from dreary to dreamy. 528 00:22:50,800 --> 00:22:53,433 Then we meet a painter whose passion for the trades 529 00:22:53,500 --> 00:22:55,466 inspires those who work around her. 530 00:22:55,533 --> 00:22:57,166 Stephanie: I love what I do. I want to provide 531 00:22:57,233 --> 00:22:59,600 the best product for people, and I think that comes across. 532 00:23:01,100 --> 00:23:04,033 Kevin: And Heath installs a bathroom vent for a homeowner 533 00:23:04,100 --> 00:23:07,233 in an old house with some vintage wiring. 534 00:23:07,300 --> 00:23:10,333 All that on "Ask This Old House."