Showing results 1 - 11 of 11
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A typical Las Vegas hot-dry climate home made of wood frame construction and insulated with R-25 expanded polystyrene externally over a drainage plane, with an unvented wood frame insulated attic and roof assembly.
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Air-Impermeable Insulation for Condensation Control in Unvented Attics, per IRC Table 806.5.
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Attic ventilation fans exhaust hot air from the attic while replacing it with cooler air from the outside through intake vents
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Mold on the sheathing in this attic occurred after attic ventilation was increased
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Right - An unvented attic with no soffit vents, borate-treated fascia board, metal drip edge, and concrete block construction on this south Florida home help make it resistant to hurricanes, pests, and wind-born wildfire embers.
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This solar powered attic fan runs when the sun is shining and does not draw any power from the home’s electrical system
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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition
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Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition
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