BASC Search

Checklist providing information on how and when to install solid sheathing over spaced deck boards on homes located in areas that use the FORTIFIED Home™–High Wind standards.

Fact sheet describing the acceptable underlayment alternatives including ASTM D6757 Underlayment Felt Containing Inorganic Fibers for Steep-Slope Roofing for certain applications.

Checklist providing the type of roofing felt recommended by IBHS as a quilified sealed roof deck system for asphalt shingle or metal roofing.

Checklist providing information on strengthening the attachment of roof sheathing and installation of a sealed roof deck system using a spray polyurethane foam adhesive.

A publication highlighting recommendations that contribute to improved overall performance in the structural shell and focus on good connection details to tie together exterior walls, roofs and floors.

Study examining how design features, such as building envelope openings and compartmentalization, affect the wind pressure in typical low-rise buildings with gable and hip roofs.

Checklist providing prescriptive instructions on how to retrofit ladder framing on gable end overhangs to achieve a maximum depth of 18 in. from the face of the wall.

Checklist highlighting key concepts of wind design uplift pressures and design uplift pressure ratings for proper selection and installation of residential roof covering systems to comply with section R905.1 of the 2015 International Residential Code for a FORTIFIED Roof™–New Roof designation.

Fact sheet describing proper roof sheathing installation and illustrating fastening methods that will enhance the durability of a building in high-wind areas; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Checklist describing requirements for roof sheathing along the gable end truss or rafter to achive a FORTIFIED Roof, including New Roof designations and exceptions.

Computer simulations comparing International Journal of Advanced Structural Engineering wind pressure differences between a gable-ended roof versus a hip roof versus a pyramidal-shaped roof.

Study analyzing wind pressures on hip roofs where two hip roofs come together forming an L or T shaped roof or building.

Manuals describing design, materials, and installation techniques applicable to almost all types of roof systems; four-volume set includes Metal Panel and SPF Roof Systems, Membrane Roof Systems, Architectural Metal Flashing and Condensation and Air Leakage Control, and Steep-Slope Roof Systems.

Checklist providing selection and installation guidance for residential, non-structural metal roof systems installed over wood roof decks with a roof slope 2:12 or greater to comply with section R905.1 of the 2015 IRC for a FORTIFIED Roof – New Roof Designation.