Roofnado Laplock PSU HT is a premium, high-temperature self-adhered roofing underlayment engineered for superior watertight performance on sloped roofs. Featuring innovative dual-locking lap seal technology, it creates an outstanding water-tight barrier at overlaps, offering unmatched protection from storms, hail, ice dams, wind-driven rain, snow, and water. The mechanical slip-resistant walking surface provides superior steep slope walkability, enhancing safety and productivity for roofing professionals. This underlayment is designed for use under a wide range of primary roofing materials, including asphalt shingles, concrete tiles, all metal panels, shakes, synthetic shingles, and primed cedar shakes. Meeting and exceeding critical code requirements such as ASTM D226, ASTM D4869, AC 48, and ASTM D1970, and approved by authorities like Miami-Dade County, ICC ES, Texas Department of Insurance, FBC (FL21895), and California Building & Residential Code, Roofnado Laplock PSU HT offers exceptional durability, a 180-day UV exposure rating, a Limited Lifetime Warranty, and is approved for use with Polyset®, Tile Bond™, and Storm Bond Adhesives.

• Product Details:
  • High-temperature self-adhered roofing underlayment (Peel-and-Stick)
  • Dual-locking lap seal technology
  • Mechanical slip-resistant walking surface
  • Meets and exceeds ASTM D1970, meets ASTM D226, ASTM D4869, AC 48, and CAN/CSA A220.1
  • 180 days UV exposure
  • Limited Lifetime Warranty
  • Approved by Miami-Dade County, ICC ES, Texas Dept. of Insurance, FBC (FL21895), California Building & Residential Code
  • Approved for use with Polyset®, Tile Bond™, & Storm Bond Adhesives
• Features:
  • Provides unmatched watertight protection from severe weather and ice dams
  • Creates outstanding water-tight seals at laps
  • Offers superior steep slope walkability and enhanced safety
  • Durable and reliable performance in high temperatures
  • Compatible with a wide variety of primary roofing materials
  • Meets stringent building code requirements
• Applications:
  • Beneath asphalt shingles
  • Under concrete and clay tiles
  • Under all metal panels and shingles
  • Beneath shakes, synthetic shingles, and primed cedar shakes
  • Sloped roof applications requiring high-temperature performance and superior waterproofing
  • Roof eaves, valleys, and other critical areas
  • Residential and commercial roofing projects in various climates, especially high-wind and high-temperature zones
  • New construction and re-roofing applications