GenFlex Roofing Systems is a leading, full-line supplier of high quality single-ply roofing products for the commercial roofing market.

Trust Henry for all your roofing needs. Backed by more than 80 years of continuous building product improvements.

HYDROSTOP™ is a TRULY reliable low-slope roofing system that can contribute toward LEED® points so it is safer for the environment and gives you the longevity you deserve!

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.