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Recommended isBOARD For You:

isBOARD™ is a revolutionary siding system available exclusively through Wholesale Siding Depot. The isBOARD system is comprised of CertainTeed’s MainStreet siding reinforced with a custom form-fitted foam backing. The result is a siding product that provides unsurpassed quality, durability and insulation, at a fraction of the cost of cement board and other siding alternatives.

Wholesale Siding Depot’s isBOARD system with CertainTeed MainStreet Siding comes in a wide assortment of colors and styles, providing home owners with the best of both worlds: a product that provides superior insulation and that’s built to last, with aesthetic qualities that look fantastic and are virtually maintenance-free.