RoofTopGuard II is the high-tech, high-performance new generation of roof underlayment. Its 5-layer polypropylene/polyethylene construction results in high strength, low weight, unmatched tear resistance and long life that simply blows away the competition. 

• 5-layer construction
• Guaranteed waterproof
• Installs 30% faster than the competition's equivalent underlayment
• Hurricane Proven: will not tear or rip in high winds
• 100% impervious to insects, vermin, mold, rot and the elements
• Low-weight
• Suitable for use under all roofing material
• Can be left exposed to the elements for up to 6 months without degradation
• Exclusive FIBER-GRIP slip-resistant surface
• 25 year guarantee