Duro-Last Rock-Ply Membrane - Manual

DATA SHEET
DURO-LAST ® ROCK-PLY ® MEMBRANE
“Duro-Last”, “World’s Best Roof”, “Rock-Ply” and “Duro-Bond” are registered marks owned by Duro-Last, Inc. 2/25/2013
www.duro-last.com 1 of 2 800-248-0280
Advantages:
Duro-Last ® 50 mil Rock-Ply ® membrane is an
excellent choice for projects requiring a long lasting,
aesthetically appealing roofing membrane. The
membrane is available in prefabricated sections or as
roll goods. The complete line of Duro-Last custom
prefabricated accessories is compatible with the
Rock-Ply membrane.
Description:
Rock-Ply membrane is composed of PVC film
laminated to both sides of a reinforcement fabric
(scrim).
PVC Film - Proprietary thermoplastic PVC
formulation of resins, plasticizers, stabilizers,
biocides, flame retardants, and U.V. absorbents. The
same PVC film is used on both sides of the scrim.
 Rock-Ply PVC film above scrim – 21 mils
 Dark Gray PVC film below scrim – 17 mils
Scrim - An 18 x 14 polyester fabric construction
composed of 840 x 1000 denier threads provides
superior tear and puncture resistance. The polyester
thread is treated to prevent wicking.
Total Thickness – 50 mil, nominal.
Weight – 0.29 lb. per sq. ft.
Available Configurations:
Prefabricated Sections – Rock-Ply is available in
prefabricated sections up to 2,000 sq. ft. with a
maximum 80 ft. in either dimension.
Roll Good – Typical Dimensions
Width
Length
(max.)
Roll
Area
Approx.
Weight
Approx.
Coverage 1
64 inches 100 ft. 533 sq. ft. 155 lb. 483 sq. ft.
48 inches 100 ft. 400 sq. ft. 116 lb. 350 sq. ft.
32 inches 100 ft. 267 sq. ft. 77 lb. 216 sq. ft.
16 inches 100 ft. 133 sq. ft. 39 lb. 83 sq. ft.
1 Assuming 6 inch overlap.
Cool Roof Rating Council (CRRC) 1
Solar
Reflectance
Thermal
Emittance
Solar Reflective
Index (SRI)
Initial 3-yr Initial 3-yr Initial 3-yr
Rock-Ply 0.30 0.27 0.87 0.90 31 28
1 Duro-Last’s CRRC Product ID: 0610.
Warranty:
The following warranties are available for projects
utilizing Rock-Ply membrane. Contact Duro-Last for
warranty details.
Available Warranties
10 Year Material Only
15 Year
NDL High Wind Hail High Wind + Hail
Material Only Residential
20 Year
NDL High Wind 15 + 5 15 + 5 Material
Pro-Rated Material Only Residential
Codes and Standards:
Underwriters Laboratories (US & Canada),
FM Approvals, ICC-ES (ESR-1660), Canadian
Construction Materials Centre (CCMC 13299-L),
State of Florida, Miami-Dade County, Texas
Department of Insurance (TDI).
Storage:
Store rolls on their sides and on pallets. Use tarps
to keep rolls dry.