Grip-Rite 48-in x 250-ft (1000 sq ft) Synthetic Roof Underlayment Insulated Wrench Specification Details R-Value R-21 (High
Baker’s notes & crumb story
Description
Grip Rite 48 in x 250 ft (1000 sq ft) Synthetic Roof Underlayment Insulated Wrench Specification Details R Value R 21 (High Specification Details R Value R 21 (High Density) Facing Kraft vapor retarder Material Fiberglass with ECOSE Technology binder Thickness 5 1 2 in Gypsum Board