P-RDM1850

Roof Detail Membrane
Roof Underlayments
MPN: P-RDM1850 P-RDM1850

Out Of Stock

  • Brand: GCP
  • Certifications & listings: UL Class A, City of Los Angeles:RR25330, Miami-Dade County NOA 09-0107.08, ICBO-ES Report No. 3997
  • Compatible materials: Grace Ice & Water Shield, Grace Select, Grace Basik, Grace Tri-Flex (except in desert southwest U.S.)
  • Coverage: 9 in Roll is 37.5 sq ft; 18 in is 75 sq ft
  • Installation method: Self-Adhering; Cut to Length; Prime Concrete, Masonry, DensGlass Gold and Dens-Deck Surfaces, Wood Composition and Gypsum Sheathing with Perm-A-Barrier WB Primer; Priming Not Required for Other Suitable Surfaces
  • Made in US: Yes
  • Manufacturer: GCP APPLIED TECHNOLOGIES
  • Material: HDPE Carrier Film, Rubberized Asphalt Adhesive
  • Moisture vapor permeance (perms): 0.05
  • Strength: 250 psi tensile
  • Weight: 20.75 lb

Grace Roof Detail Membrane is used in conjunction with the Grace roofing underlayment. The Roof Detail Membrane is designed to tightly seal problem transition areas on the roof like chimneys, skylights, dormer walls, rake edges, and valleys.

Grace Roof Detail Membran is the only product available today specifically designed to waterproof those vulnerable roof details.

Available in two widths: 9-inch width roll size is 37.5 sq ft and comes (6) rolls per carton. 18-inch Width roll size is 75 sq ft and comes (1) roll per carton.

9-Inch width has one ripcord at center (4.5 in. from edge). 18-Inch has one ripcord at center (9 in. from edge), two near edge (4.5 in. from edge).

  • Self-adhered flexible flashing protects vulnerable details from moisture penetration
  • Seals around nails
  • Ripcord and Measurement Markings enable fast and easy installation
  • Reroofable
  • Will not crack, dry out or rot
  • Size