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I worked in a lab, so SDS sheets and I are good friends. Non-hazardous materials have SDS sheets all the time. My favorite SDS sheet is [that of water][1]. You'll note that the "symptoms and effect" of water (a non-hazardous material) states "Not expected to present a significant hazard under anticipated conditions of normal use." That's not the same ...


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If it looks like dryer vent (location location location & size) & it smells like dryer vent (gets hot and wet when using the dryer) & quacks like dryer vent (you hear it, and its hot and wet, and it vibrates) ..... It is a dryer vent. There are many posts on this forum and threads online where contractors have improperly used PVC for dryer vent....


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I'd just get a length of rectangular 3-1/4 x 10 duct, capped on both ends, and connect to it low and high with starting collars. Seal things up nicely with silicone caulk or foil tape. _____ || || <-- end cap __| | . | starting collar in --&...


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The question is rather broad as asking mostly "is this feasible", and therefore maybe off topic, but it's an interesting question and here's what comes to mind... I picture a panel, either hinged to the interior of the wall or to be mounted on shelf brackets or similar and with some sort of clamp to press it against the window casing. This panel would be a ...


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In general, high moisture levels can be reduced by exchanging the room's air only during night, best time in the morning before sun rise. Best method would be to open 2 windows at 2 different walls of the apartment/building, west and east sides would be the best option. If there is a noticeable air flow, just 1-3 minutes are enough and should not be ...


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How thick is the exterior wall & cladding? I have similar construction on the gable end of my home (albeit stick built, not engineered truss). The gable vent opening was simply cut into the exterior sheathing and the vent notched to fit around the (uncut!) vertical 2x4. Put the vent as high as practical to best vent the heat and use the overhang for ...


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The only circumstance under which I'd even remotely consider modifying a truss is if I had an engineer's stamp. In this specific case, you're thinking about the opening as a simple downward carrying load, and I don't think either of us are qualified to make that assumption. (Trusses probably have side and up loads that aren't obvious to mere mortals.) I'm ...


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Many range hoods have options to route out the back (no good for you) or out the top. Vent out the top, use a right angle to go left or right and then another right angle to go back through the wall between studs.


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