Underlayment Specialties Plus provides the North American Roofing Industry with over 40 years of Experience and Expertise in building materials, developing safety and performance based products that are competitively priced and technologically advanced. Our superior products, along with our responsive service make Underlayment Specialties Plus a leader in the water protection roofing material industry. Our RoofTopGuard II Premium Synthetic Underlayment was carefully engineered to be the safest, best performing underlayment available, making it the Premium Brand on the market today. Roofers Choice Synfelt Underlayment is infused with the same engineering found in a Premium synthetic underlayment, but is more value based without compromising Safety or Performance. Our IPP high-temp self-adhesive and GPS, granular surface self-adhesive underlayment provide you with a complete roofing solution.