Vapor retarder plastic should not be installed over fibrous insulation on basement or crawlspace walls unless rigid foam or spray foam is installed directly against the concrete, behind the blanket insulation.
Guide describing how to provide a continuous load path with appropriate connectors to improve the wind resistance of attached porches, carports, and decks during high-wind events.
This guide describes home stationary battery storage and associated electric panel and equipment needed to safely supply electricity during a blackout. As homes become increasingly reliant on electricity for cooking, water heating, and space conditioning, a blackout becomes more disruptive. These...
Guide describing removal of construction debris from flex ducts and protection of ducts and HVAC equipment during construction to keep them free of dust and debris.
Guide describing different options for providing seismic and thermal resistance for homes with 'cripple' wall crawlspace foundations, which are known for their instability.
Guide describing how to apply an air control layer directly over existing wall sheathing and cover with two layers of insulating sheathing held in place by vertical furring strips.
Guide describing how to upgrade walls that separate the garage from the house by providing a continuous air control layer on the garage side of the wall and adding rigid foam insulation.
Guide describing requirements for sheathing and sealing the roof decking in accordance with the requirements of the IBHS Fortified Home Program's Hurricane and High Wind Standards, and other roofing considerations to increase the roof's disaster resistance.
Guide describing options for providing access to the roof via openable skylights, dormer windows, or roof hatches, for occupants of homes in areas prone to severe flooding.
Guide describing how to construct and retrofit homes built on slab-on-grade foundations in earthquake-prone areas to withstand seismic forces by properly installing wall to foundation connections.