Home depot duct seal putty8/16/2023 It's Santa's turn to sweat a little this summer. No longer would we be paying to keep our Christmas decorations nice and cool. The sealant had formed a dark plastic/rubbery barrier to keep the cold air in and the attic hot, the way it was supposed to be. Yes! Nothing! The sealant hat worked and our main duct trunk was shockingly sealed. Holding my hand near the area of the duct that had previously been spraying money cold air into the unconditioned and sweltering attic space, I felt.nothing. After a few minutes I crawled up into the attic to check my work. I was worried I would turn the AC on after letting it cure and it would all just blow off, but I was hopeful that wouldn't be the case.Īfter allowing about 36 hours of the reccomended 48 (it just got too hot), I nervously fired up the AC. This was a pure and simple attempt to fix a sloppy and bad job without tearing the whole system apart. But with our situation, we'd have no such luxury. Ideally, the duct installer would use this on the various pieces of duct prior to installation, and it would ooze and work its way through the various joints. I started to wonder why I hadn't been using this stuff all along? I was quite happy with how easily it went on, how well it filled gaps, and with the seemingly air tight seal it left. Using a wood shim as my applicator of choice, I began applying the somewhat thick and sticky substance. Last weekend I finally got over my crotchetiness and, while sweating my tail off in the attic yet again, decided to give the stuff a try. Sometimes I even shake my head at myself. Perhaps it's the grumpy old man in me starting to come out, but I figured "tape works fine for me, so I'll keep using tape, hrmph." How stupid is that? I mean, I bought the stuff, so why didn't I want to use it. The truth is, I've had this bucket for a couple of weeks, but I've been a little stubborn about using it. This material helps seal and protect gaps, holes and conduit. Who says product placement is ineffective? Gardner Bender duct seal compound plugs is a dough-like material that is easy to handle. This sparked my interest enough that it got me to pick up a bucket the next time I found myself aimlessly wandering the aisles of Lowes (okay, it happens more frequently than I care to admit). Our favorite TOH plumber, Richard Trethewey, was raving about the efficiency of the newly installed forced air unit on the most recent season of TOH and touched on the use of the sealant rather than tape.
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