Product Lines Sika Roofing is the worldwide leader in manufacturing resilient and sustainable roofing solutions for non-residential construction projects. From single-ply PVC membranes to hot and cold liquid-applied membranes, our products, systems, and services are designed to meet the needs of any building owner all over the world. With 60+ years of experience and our reputation for making roofs that can last 30+ years in every imaginable climate, you are not only choosing a roof that can withstand extreme elements but one that will be able to provide superior protection for decades. Sika Roofing - Beyond the Expected! Petersen Aluminum Corporation was founded in 1965 as a metals service center to the architectural metal industry. Petersen strives to provide products of the highest possible quality within reliable, dependable lead-times. Petersen offers a large metal roofing selection, including architectual sheet and coil, roof and wall panels and all the accesories to complement them. PHP Systems and Design exists out of the growing need for a dependable, cost effective means to support roof pipe and equipment systems without the concern of high winds and the need to penetrate the roof system. Our systems are professional, high integrity, code-compliant solutions to setting piping and equipment on rooftops and other surfaces. Henry, founded in 1933, continues to be an industry leader in high-performance waterproofing mastics, spray polyurethane foam and coating systems. Additional products include protective roofing underlayments, liquid and sheet applied air/vapor barriers, sealants, primers, flashing systems, and varior roof coatings. STEINEL offers the most powerful, versatile, lightweight, ergonomic hot air welding equipment. Go all day with a wired heat gun, or go mobile and convenient with your rechargeable "MobileHeat" gun while you have an extra battery on your charger. Either way, when this equipment is in your hand you'll know you've got the best. STEINEL is known as the inventors company with over 100 patents. Their inventions have given rise to the best equipment of their kind.