Showing results 851 - 898 of 898
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Wrong - Unfaced fiberglass batt is not properly cut to fit in all the stud bays.
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Wrong - Wall cavities behind shower are not completely filled with insulation and are lacking the solid interior air barrier.
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Wrong – A clothes dryer that vents to the crawlspace can contribute moisture to the crawlspace; this can result in damp, molding, and rotting insulation
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Wrong – A visible gap in the insulated sheathing introduces unwanted outside air, creating a thermal bypass and encouraging convective air flow
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Wrong – Compression and misalignment because insulation is not split around plumbing
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Wrong – Compression and misalignment because insulation is not split around wires
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Wrong – Conventional T-post detail is extremely difficult to insulate and usually doesn't happen
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Wrong – Design walls so that windows are positioned to fit regularly spaced studs so less additional studs are needed.
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Wrong – Don’t use nails to fasten poly vapor barrier around flex ducts; it will allow moist air to reach the ducts where it could condense and ruin the insulation.
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Wrong – Either this tape was not pressed down firmly or the surface was wet or dirty so the tape is not sticking properly even during construction.
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Wrong – If the insulated sheathing will serve as an air barrier and drainage plane, any cuts and seams must be taped or sealed.
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Wrong – No blocking installed to prevent attic insulation from falling into stairs and opening
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Wrong – Roof underlayment is not fully adhered and roof deck seams are not sealed so roof is susceptible to high-wind events
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Wrong – The backing on this knee wall was not air sealed prior to adding insulation.
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Wrong – The batt insulation on this knee wall is not properly supported and there is no air sealed rigid backing to provide a solid air barrier.
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Wrong – The framing and wind baffle installation will not allow for required insulation depth.
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Wrong – The gable end wall failed because the rigid foam sheathing was not backed up by plywood or OSB.
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Wrong – The polyethylene sheeting vapor barrier is not attached to the piers with mechanical fasteners
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Wrong – When insulated sheathing is installed correctly, you should not see daylight. Nail holes were also left unplugged.
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Wrong – When insulating with spray foam, care should be taken to completely fill areas around piping and other penetrations to avoid leaving air gaps.
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Wrong – When more than one layer of insulation is installed, the seams should be staggered to discourage ground water from reaching the foundation wall.
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Wrong- A tie strap should not be used over the duct outer liner because it can compress the insulation. Tuck in the fibrous insulation and seal the outer liner to the connecting duct with mastic or foil tape (Steven Winter Associates 2013).
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Wrong: Closed-cell spray foam roof insulation was not thick enough to meet IRC levels so the foam surface is colder than the dew point of the interior air and condensation formed on surface of the foam
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Wrong: Ducts are held above the ceiling plane with strapping to provide a good angle into top-entry boots. Once the ceiling insulation is added, this duct will protrude from the ceiling insulation and will not be buried
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Wrong: Ducts are held from the rafters with strapping and a large beam prevents ducts from properly lying on the ceiling plane
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Wrong: Ducts are not laid across the lower truss cords or ceiling, but are hung from the rafters by straps. As a result, ductwork is not buried
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Wrong: Ductwork is not fully encapsulated with ccSPF insulation. The duct jacket is still fully visible at sections of the duct
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Wrong: This exhaust fan duct is too long and terminates in the attic instead of going through the roof and it is improperly supported; it needs straps all along its length to prevent sagging.