“WSP has been involved since 1981 in the commercial single ply roofing industry, working with reliable manufacturers such as Sarnafil, Firestone and Carlisle roofing systems. WSP along with these industry giants had the foresight to recognize that there was a better way to provide the industry with roofing solutions that challenged the antiquated technologies and overburdening cost impacts of the past. As a major player in the industry, we can offer you design and application solutions that will provide you reliable, cost effective, energy efficient, and eco friendly roof assemblies with our manufacturer’s warranties. Our membrane manufacturers, teaming up with WSP single ply personnel finally bring to the marketplace the assurance of a reliable roof assembl