SWEPCO Heavy Duty PolyMaster

A heavy duty, 100% polyester reinforcing mat composed of polyester strands bonded into a random, nonwoven pattern under heat and pressure. An exceptionally tough reinforcing mat for use over concrete and existing smooth and granule surface asphalt roofs. Especially designed for use with Heavy Duty and Flex•Shield® Roof Coatings. Embedded between two coats of one of these coatings, it reinforces the coating just as steel reinforces concrete, adding strength, stability and longer life to the waterproofing membrane.
  • Premium quality polyester reinforcing mat for liquid applied systems
  • 9 times stronger and 10,000 times more flexible than conventional reinforcements
  • Suitable for both new construction and maintenance applications
  • Lightweight