Castlebrook products are available exclusively through Menards®. Menards® is the Northern Midwest U.S. premier provider for building products. Check here to locate a store near you.

A spectrum of choices for your new roof, because Castlebrook shingles provide protection as well as beauty. Choose from a variety of colors, there's sure to be one just right for your castle.

Gorilla Guard roof underlayment for steep slope roof applications. We utilized new technology to create an underlayment with high performance features that out-performs typical organic felt by adding glass fibers.