TRI-BUILT® High-Performance Synthetic Underlayment is a high strength woven synthetic roof underlayment that can save you 50% in labor & time expense. TRI-BUILT® Underlayment is stronger and more durable than Type 30# felt.
• The most slip resistant underlayment in the industry.
• Approved for 6 months UV exposure using either 3/8″ head roofing nails or plastic cap roofing nails.
• Won’t tear-off or buckle when wet.
• 20x stronger than 30# felt.
• 10x lighter than 30# felt, 10 squares per roll weighing only 32 Ibs.
• UV resistant, 6 month exposure rating. Light gray color reduces heat and provides cooler working surface.
• Pre-printed nailing pattern speeds installation.
• We will custom print your logo, company name and phone in full color, with only a 18 roll min. order!