If you're using CertainTeed ridge vents, exhaust vents, and intake vents, the Roofing Ventilation Calculator will give you a quick idea of which products you'll need to order for a particular job. Versions of the app are available for both IOS and Android devices, and include the complete line of CertainTeed roofing ventilation products. To use the app, a builder enters the length and width of the attic space, or the overall square footage of the space, and the calculator turns out a list of what will be needed. The app also includes a link to CertainTeed's website page for ventilation products, where technical information is readily available.

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