American Saturated Felt
American Saturated Felt (ASF) has been in the roofing materials business since 1974. Starting in the Northeast United States, we are now shipping from coast to coast and internationally.
International Diamond Systems
At International Diamond Systems, the goal is to offer: the highest quality roofing systems and materials, requiring the simplest application techniques, providing the longest life in resisting all natural elements, and warranted to be virtually trouble free.