FAQs: Wind Bracing Engineered Design and Proprietary Systems
As noted in the Wall Bracing publication, a set of calculations meeting the requirements listed therein must be submitted to the county.
You have two options. The first is to use a proprietary system such as those from Simpson Strong-Tie, Weyerhaeuser or Hardy Frame. The second is to have the structure designed by a registered design professional licensed in the commonwealth of Virginia. See the Wall Bracing publication for more information.
Yes. Thermoply (Blue & Red) Structural Grade is considered equivalent to Method SFB or CS-SFB. However, installation must be in strict conformance with the product's ICC-ES Evaluation Report (ESR-1122).