Guides A-Z

Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.

Guide describing how to insulate and air seal dropped ceilings and soffits to prevent air leakage.

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 insulation techniques for skylight shaft walls.

Guide describing methods for insulating an unvented attic along the roof line.

Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.

This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.