Interstate Roofing has completed the Firestone Ballasted EPDM system on the new Martin's Warehousing-Sparta WI in Sparta, WI. The rock is 1.5” washed river rock, it is used as ballast to weight the loose laid EPDM rubber roofing membrane down.The warehouse is 100,000 square feet.
This is the second business that Interstate has done in the in Sparta's South Point Business Park.