Johns Manville has introduced its SeamFree™ PMMA Liquid Membrane roofing system. It includes a full portfolio of PMMA-based products that combine to form a versatile membrane system for use in a variety of applications ideal for plaza decks, garden roofs, roofs with many penetrations, small roofs and irregular shaped roofs. The membrane can also be surfaced with a variety of other aggregates, including roofing granules and white or other roof coatings. It’s resistant to various chemicals, UV, ponding water and root penetration. The roofing system also includes a low VOC, low-temperature performance and eligibility for up to a 20?year JM Peak Advantage® Guarantee. For more information, www.jm.com/roofing.