Surround Underlayment - 45" x 267' - 1,000 Square Feet

by Typar
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Typar Surround Underlayment is the key to a leak-free roof. A smart alternative to felt, it creates a secondary water barrier that reduces the incidence of leaks caused by storm damage, wind-driven rain, ice dams, and worn roofing materials. It is a waterproof synthetic polymer material that will protect against moisture intrusion.


  • 10 times stronger than 30# felt
  • Slip-resistant surface is waterproof to prevent moisture issues
  • 10 times lighter than 30# felt
  • Tensile strength: Machine Direction - 112, Cross Direction - 126
  • TYPAR and IECC Energy Codes
Manufacturer Part Number3224N-015
Sub BrandSurround
Coverage - Square Feet1000
Length - Feet267
Moisture Vapor Permeance.4
Package Quantity1
Ships to HI/AKYes