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Home My WebLink About7715 204th St Ne_BLD6504_2025 Â® DURO-LAST 50-MIL MEMBRANE Advantages: Duro-LastÂ® 50-Mil (DL50) membrane is an excellent choice for projects requiring a long lasting, energy efficient roofing membrane. The membrane is available in custom-fabricated sections or as roll goods. A complete line of custom-prefabricated accessories is available for the DL50 membrane. Description: DL50 membrane is composed of PVC film laminated to both sides of a reinforcement fabric (weft-inserted Cool Roof Rating Council (CRRC) scrim). Solar Duro-Last membranes must not be used with CRRC Solar Thermal Reflective ID Reflectance Emittance Duro-Last EV membranes. Index (SRI) PVC Film - Proprietary thermoplastic PVC Initial 3-yr Initial 3-yr Initial 3-yr formulation of resins, plasticizers, stabilizers, White 0610- 0.88 0.68 0.87 0.84 111 82 biocides, flame retardants, and U.V. absorbents. 0001 0610- Tan 0.39 0.33 0.89 0.89 43 35 ï‚· PVC film above weft-inserted scrim â€“ 28 mil 0005 Weft-Inserted Scrim - An 18 x 14 polyester fabric Gray 0610- 0.47 0.40 0.89 0.89 54 45 construction with weft insertion, composed of 840 x 0004 0610- 1000 denier threads, provides superior tear and Dark Gray 0.26 0.25 0.88 0.89 26 25 0006 puncture resistance. The polyester thread is treated Terra 0610- to prevent wicking. 0.26 0.24 0.89 0.88 26 23 Cotta 0009 Total Thickness â€“ 50 mil, nominal. LEED & LEED-EB Credits - White DL50 Weight â€“ 0.29 lb. per square foot. membrane alone can obtain 1 credit in either U.S. Green Building Councilâ€™s LEED or LEED-EB Colors â€“ White, tan, gray, dark gray and terra cotta. programs. In combination with other design criteria R-Value â€“ 0.1 ft2êžÂ°Fêžhr/Btu. the membrane may help attain other credits. Available Configurations: LEED Credit Category Duro-Last Attribute Custom-fabricated Sections â€“ DL50 is available Sustainable Sites Credit 7.2 Heat Solar Reflective Index (SRI) SRI in custom-fabricated sections as listed within the Island Effect: Roof = 111 Ordering and Estimating section on the Duro-Last website. LEED-EB Credit Category Duro-Last Attribute Sustainable Sites Credit 6.2 Heat ENERGY STAR Qualified Roll Good â€“ Typical Dimensions Island Effect: Roof Thermal Emittance = 0.87 Length Approx. Approx. NSF/ANSI 347 PLATINUM CERTIFIED Width Roll Area 1 (max.) Weight Coverage Warranty: 64 inches 100 ft. 534 sq. ft. 155 lb. 483 sq. ft. The following warranties are available for projects 64 inches 50 ft. 267 sq. ft. 78 lb. 241 sq. ft. utilizing DL50 membrane. Contact Duro-Last for 32 inches 100 ft. 267 sq. ft. 78 lb. 217 sq. ft. warranty details. 12 inches 100 ft. 100 sq. ft. 29 lb. N/A 8 inches 100 ft. 67 sq. ft. 20 lb. N/A Available Warranties 1 Assuming 6-inch overlap. 20-Year NDL 20-Year NDL Warranty Warranty Energy Efficiency: â€“ 15 Years 15-Year NDL â€“ 15 Years White DL50 membrane is an excellent product for Supreme Consequential Warranty Consequential complying with California Title 24, LEEDÂ® and other Damages And 5 Damages And 5 Years Material and energy efficiency programs requiring the use of a Years Material Labor highly reflective roof membrane. It is an ENERGY 15-Year 15-Year 20-Year Â® 15-Year STAR qualified product. NDL Hail & NDL High NDL High Ultra NDL Hail 1 High Wind Wind Wind Warranty 1 1 1 Warranty Warranty Warranty Basic 15-Year NDL Warranty1 20-Year NDL Warranty1 15-Year Residential 20-Year Residential Residential 1 1 Material Limited Warranty Material Limited Warranty 1 Excludes consequential damage coverage. www.duro-last.com 1 of 2 800-248-0280 Duro-Last, â€œWorldâ€™s Best Roofâ€, and Duro-Bond are registered trademarks owned by Duro-Last, Inc. LEED is a registered trademark owned by the U.S. Green Building Council. ENERGY STAR is a registered trademark owned by the U.S. Environmental Protection Agency. Created: 08/17/2012 Revised: 09/01/2012, 11/19/2013, 05/28/2014, 06/05/2014, 01/23/2015, 05/18/2015, 01/22/2016, 02/15/2016, 06/29/2016, 08/15/2017, 03/29/2019 DURO-LASTÂ® 50-MIL MEMBRANE Codes and Standards: Underwriters Laboratories (US & Canada), UL Evaluation Report (ER10128), FM Approvals, Canadian Construction Materials Centre (CCMC 13299-L), State of Florida, Miami-Dade County, Texas Department of Insurance. Storage: Store rolls lengthwise on pallets. Use tarps to keep rolls dry. Membrane Attachment: Mechanically Fastened â€“ DL50 membrane may be mechanically fastened to a variety of roof deck and wall materials. An appropriate slip sheet or cover board may be required. Refer to the Duro-Last Mechanically Fastened Roofing System Specification for custom-fabricated system requirements. If using roll goods, refer to the Roll Good Mechanically Fastened Roofing System Specification. Duro-BondÂ® Roofing System â€“ The Duro-Bond Roofing System (induction weld) may be used to attach DL50 membrane. Refer to the Duro-Bond Roofing System Specification for system requirements. Adhered â€“ DL50 membrane may be adhered to a variety of properly prepared roof decks, walls, cover boards and insulations. Refer to the Adhered Roofing System Specification for system requirements. Physical Properties: DL50 membrane has been subjected to the tests required by ASTM D4434 â€œStandard Specification for Poly (Vinyl Chloride) Sheet Roofingâ€ and has been classified as a Type III, internally reinforced sheet. The results of each test are listed below. ASTMâ€™s Overall Thickness requirements for the membrane are plus or minus 10% (nominal) of the listed Typical Value. Physical Property Test Method ASTM D4434 Requirement Result Typical Value ï‚³ 0.045 and â‰¤ 0.055 in. Overall Thickness ASTM D751 PASS 0.050 in. (50 mil), nominal (ï‚³ 45 and â‰¤ 55 mil) Thickness Over Scrim ASTM D7635 ï‚³ 0.016 in. PASS 0.028 in. (28 mil) Breaking Strength1 ASTM D751 Grab Method ï‚³ 200 lbf./in. PASS 438 x 390 lbf./in. Elongation1 ASTM D751 Grab Method ï‚³ 15% PASS 31% x 31% ï‚³ 328 lbf. Seam Strength ASTM D751 Grab Method PASS 417 lbf. (75% of Breaking Strength.) Tear Strength1 ASTM D751 Procedure B ï‚³ 45 lbf. PASS 132 x 163 lbf. Low Temp. Bend ASTM D2136 Must pass at -40ï‚° F PASS PASS Conditioned for 56 days in oven Heat Aging ASTM D3045 PASS PASS maintained at 176ï‚° F. 10,000 hours total test time. Irradiance level of 0.35 W/m2-340nm. Accelerated Aging ASTM G155 Cycle: 102 minutes light, 18 minutes PASS PASS light + H20 spray, 63Â±2.5Â° C black panel, 30Â±5% RH Conditioned for 6 hours in oven Dimensional Stability1 ASTM D1204 maintained at 176ï‚° F. PASS -0.30% x -0.45% Allowable change: â‰¤ 0.5% Immersed in water at 158ï‚° F Water Absorption ASTM D570 for 168 hours. PASS 1.7% Allowable weight change: â‰¤ 3% Static Puncture ASTM D5602 ï‚³ 33 lbf. PASS 56 lbf. Dynamic Puncture ASTM D5635 ï‚³ 14.7 ft-lbf. (20 J) PASS ï‚³ 14.7 ft-lbf. (20 J) 1 Typical values are shown for both machine and cross machine directions. The machine direction results are listed first. Additional Tests Fungi Resistance ASTM G21 No Sustained Growth or Discoloration Moisture Vapor Transmission ASTM E96, Proc. B, Method A < 0.35 U.S. perms www.duro-last.com 2 of 2 800-248-0280 Duro-Last, â€œWorldâ€™s Best Roofâ€, and Duro-Bond are registered trademarks owned by Duro-Last, Inc. LEED is a registered trademark owned by the U.S. Green Building Council. ENERGY STAR is a registered trademark owned by the U.S. Environmental Protection Agency. 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