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Calculators
This calculator may be used as guidance for the prescriptive retrofit of single level attached structures for existing homes seeking Silver or greater designation when there is no professional engineer involved. If the porch meets the eligibility requirements, the contractor may use the calculator to determine the minimum required uplift capacities for the attached structure’s connections and select and install retrofit connectors accordingly.
This calculator may be used as guidance to help determine code-compliant required design uplift pressures for non-shingle roof cover systems installed on steep slope roofs when there is no professional engineer involved.
This calculator may be used as guidance to help determine code-compliant required design uplift pressures for non-shingle roof cover systems installed on steep slope roofs when there is no professional engineer involved.
This calculator may be used as guidance to help determine code-compliant required design uplift pressures for non-shingle roof cover systems installed on steep slope roofs when there is no professional engineer involved.
Technical Bulletins
FORTIFIED technical bulletins serve two purposes.
1) Provide additional technical information that must be used in conjunction with FORTIFIED Home standards.
2) Provide approved optional methods to achieve compliance with FORTIFIED Home standards requirements.
Modular Home Toolkit
Standard Details – Full Sets
To help clarify parts of the FORTIFIED Roof Standards, IBHS created a series of construction detail drawings. We hope the drawings aid in the design of new roofs and help to eliminate confusion at installation.
Standard Details
Re-Roofing
Sealed Roof Deck and Steep Slope
Sealed Roof Deck and Steep Slope
Sealed Roof Deck and Steep Slope
Sealed Roof Deck and Steep Slope
Sealed Roof Deck and Steep Slope
Sealed Roof Deck and Steep Slope
Sealed Roof Deck and Steep Slope
Sealed Roof Deck and Steep Slope
Sealed Roof Deck and Steep Slope
Corrosion Resistance Requirements – Map Set
The FORTIFIED Home Standard has minimum corrosion protection requirements for homes located near a saltwater shoreline. These requirements can be found in FORTIFIED Home Technical Bulletin FH 2021-02: Corrosion Resistant Fasteners. To provide additional guidance interpreting the definition of a saltwater shoreline, maps are provided for some areas. If you have questions on areas that are not included, please reach out to the FORTIFIED team for more information.
Stay In The Know
Do you want to keep up with the latest resiliency research? Would you like timely tips and reminders to keep your home safe from Mother Nature? Are you interested in the science behind the FORTIFIED standard? Then, sign up for customized emails to learn more.