Tarco LeakBarrier ValleyFlash is a unique and highly versatile glass fiber reinforced sheet sandwiched between two layers of superior quality polymer modified bitumen. Due to its remarkable characteristics, ValleyFlash meets the requirements of ASTM D1970 Moisture Vapor Permeability and ASTM D4869 Liquid Water Transmission tests.
LeakBarrier ValleyFlash is designed for use under composition shingles, shake applications, all types of tiles, as well as in metal roofing applications.
|33’x36″ – 1 square||83-LB340015||Contact us|
*Sold in case lots only. Contact Us for Bulk Quantity Pricing.