![]() ![]() That means finding another place for the supply vents, of course. The best thing to do is open the wall and remove the duct and boot, do your air-sealing, and then insulate. The bad news is that if you have an older home with your supply vents in the exterior walls, you ought to plan some way of addressing the problem. I’ve seen one or two new homes with this problem in the past decade or so, but this is a practice that has mostly disappeared. Lincoln?”) It’s mainly an older-house problem (An appropriate response here might be, “Other than that, how was the play, Mrs. The photo below, which I took at a gut-rehab in progress in Atlanta a couple of years ago, shows what it looks like inside the wall.īasically, this configuration results in a wall that doesn’t perform as well as it could, a duct that doesn’t perform as well as it could, and the possibility of rot, mold, and indoor air quality problems. Putting cold air into an uninsulated piece of sheet metal in a poorly air-sealed enclosure is a recipe for condensation and mold for homes in humid climates. Those two factors add up to warmer supply air being delivered in summer and colder air delivered in winter. and the insulation is likely to be compressed and insufficient. Even if the duct and boot have some insulation, these components are rarely sealed. If the walls are framed with 2x4s, there’s often not enough space even for a little bit of duct insulation. When you put a duct and a duct boot in the cavity, you don’t have room for insulation. Most homes have wall insulation in the cavities, not outside the framing. What’s wrong with putting vents in exterior walls?Īs it turns out, putting supply vents in exterior walls is bad for several reasons. Yes, this supply vent is an exterior wall. Notice the window above the bedroom supply register. The second one shows the same thing but there’s another clue here that makes the problem clear. The lead photo shows a low sidewall supply register. The photo below should make it clear, though. The photo above shows it but you can’t tell for sure there. What spurred this article is that I recently moved from a condo to 1961 ranch house in Atlanta, and my new place has this problem. In fact, I think it’s the third worst place to put one. Today, though, let’s focus on one particularly bad place to put a duct. I’ve certainly written about a lot of them (as well as how to do it properly). If you want to design and install a duct system to create problems, the possibilities are endless. The Everbuild AC50 sealant and adhesive is a high-strength, flexible sealant that’s been specially formulated for sealing and bonding to plasterboard.Ah, so many choices. We also stock roofing sealants and trade acoustic sealants. In our range we also stock Dow Corning silicone sealants, Unibond sealant and Soudal silicone.įire-resistant and heat sealants help to prevent the spread of fire, like the Everbuild Fire Mate, which expands when exposed to temperature above 125☌, securing the tight sealant to prevent the passage of fire and smoke. For a silicone that bonds to a wide variety of building substrates, Evo-Stik Trade multi-purpose silicone sealant is an ideal general sealant, as it’s both waterproof and mould-resistant. The Everbuild Puraflex 40 is a premium, high-quality general sealant used in engineering, caravan and marine industries for sealing joints in ceramic installations. Evo-Stik silicone sanitary sealant is a waterproof sealant that’s perfect for use around bathroom appliances. Sanitary sealants are water, mould, and mildew-resistant, making them suitable for application in kitchens, bathrooms and showers. ![]() We stock a range of trusted brands including Evo-Stik, Sika, Unibond, Soudal and Everbuild. Choose from a range of sealants available to suit any type of room or application – you’ll find sanitary sealants for the bathroom and kitchen, general sealants, or fire and heat-resistant sealants. Prevent water damage with our range of silicone and sealants at Toolstation. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |