Duro-Last DL60 User Manual

DURO-LAST® 60 MIL MEMBRANE

Advantages:

Duro-Last® 60 mil (DL60) membrane is an excellent choice for projects requiring a long lasting, energy efficient 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 DL60 membrane.

Description:

DL60 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.

 PVC film above scrim – 28 mils

 PVC film below scrim – 21 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 – 60 mil, nominal.

Weight – 0.36 lb. per sq. ft.

Color – White.*

* Tan, gray, dark gray and terra cotta available by special order.

Contact sales department for more information.

Available Configurations:

Prefabricated Sections – DL60 is available in prefabricated sections up to 1,500 sq. ft. and is rolled on a carpet tube (maximum 65 ft. wide x 23 ft. long).

Roll Good – Typical Dimensions

Width

64 inches 100 ft. 533 sq. ft. 192 lb. 483 sq. ft. 48 inches 100 ft. 400 sq. ft. 144 lb. 350 sq. ft. 32 inches 100 ft. 267 sq. ft. 96 lb. 216 sq. ft. 16 inches 100 ft. 133 sq. ft. 48 lb. 83 sq. ft.

Assuming 6 inch overlap.

Length

(max.)

Roll Area

Approx.

Weight

Approx.

Coverage

Energy Efficiency:

White DL60 membrane is an excellent product for complying with California Title 24, LEED

and other energy efficiency programs requiring the use of a highly reflective roof membrane. It is an ENERGY

STAR

qualified product.

Duro-Last, “World’s Best Roof”, Duro-Bond and Duro-Guard are registered marks owned by Duro-Last, Inc.

Updated: 11/13/2013

Cool Roof Rating Council (CRRC)

Initial 3-yr Initial 3-yr Initial 3-yr

White 0.88 0.68 0.87 0.84 111 82

Duro-Last’s CRRC Product ID: 0610.

Solar

Reflectance

LEED & LEED-EB Credits - White DL60 membrane alone can obtain 1 credit in either U.S. Green Building Council’s LEED or LEED-EB programs. In combination with other design criteria the membrane may help attain many other credits.

LEED Credit Category Duro-Last Attribute

Sustainable Sites Credit 7.2 Heat

Island Effect: Roof

LEED-EB Credit Category Duro-Last Attribute

Sustainable Sites Credit 6.2

Heat Island Effect: Roof

Warranty:

The following warranties are available for projects utilizing DL60 membrane. Contact Duro-Last for warranty details.

Available Warranties

10 Year Material Only

NDL High Wind Hail High Wind + Hail

15 Year

Material Only Residential

NDL High Wind 15 + 5 15 + 5 Material

20 Year

Pro-Rated Material Only Residential

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Thermal

Emittance

Solar Reflective Index (SRI)

ENERGY STAR Qualified Thermal Emittance = 0.87

Solar Reflective

Index (SRI)

SRI = 111

DURO-LAST® 60 MIL MEMBRANE

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.

Storage:

Store rolls on their sides and on pallets. Use tarps to keep rolls dry.

Membrane Attachment:

Mechanically Fastened – DL60 membrane may be mechanically attached 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 Systems Specification for system requirements.

Duro-Bond

System – The Duro-Bond system (inductive weld) may be used to attach DL60 membrane. Refer

to the Duro-Last Duro-Bond System Specification for system requirements.

Adhered – DL60 membrane may be adhered to a variety of properly prepared roof decks, walls, cover boards and insulations including Duro-Guard™ ISO products, DensDeck

Prime Roof Board and SECUROCK®

Gypsum-Fiber Roof Board. Refer to the Duro-Last Adhered Systems Specification for system requirements.

Physical Properties:

DL60 membrane has been subjected to the tests required by ASTM 4434 “Standard Specification for Poly (Vinyl Chloride) Sheet Roofing” and has been classified as a Type III, internally reinforced sheet. The results of

each test as well as typical values are listed below.

Physical Property Test Method ASTM 4434 Requirement Result Typical Value

Overall Thickness1 ASTM D751

Breaking Strength1 ASTM D751 Grab Method

Elongation1 ASTM D751 Grab Method

Seam Strength ASTM D 751 Grab Method

Tear Strength1 ASTM D751 Procedure B

Low Temp. Bend ASTM D2136

Heat Aging ASTM D3045

Accelerated Aging

Dimensional Stability1 ASTM D1204

Water Absorption ASTM D570

Static Puncture ASTM D5602

Dynamic Puncture ASTM 5635

Typical values are shown for both machine and cross machine directions. The machine direction results are listed first.

ASTM G154

(formerly G53)

Conditioned for 56 days in oven

Irradiance level of 0.68 W/m2-nm.

4 hour condensation at 122 F

Conditioned for 6 hours in oven

Immersed in water at 158 F

Allowable Weight Change: ≤ 3%

 0.045 in.

 200 lbf./in.

 15%

 293 lbf

(75% of Breaking Strength)

 45 lbf.

Must Pass at – 40 F

maintained at 176 F

5,000 hour total test time.

Cycle: 8 hour at 145 F,

maintained at 176 F.

Allowable change: ≤ 0.5%

for 168 hours.

 33 lbf

 14.7 ft-lbf (20 J)

PASS 60 mil, nominal

PASS 390 lbf x 438 lbf1

PASS 31% x 31%1

PASS 431 lbf

PASS 132 lbf x 163 lbf1

PASS PASS

PASS -0.45% x -0.20%1

PASS 2.6%

PASS 56 lbf

PASS

 14.7 ft-lbf (20 J)

Additional Tests

Fungi Resistance ASTM G-21 No Sustained growth or discoloration

Moisture Vapor Transmission ASTM E96, Proc. B, Method A < 0.35 U.S. Perms

Duro-Last, “World’s Best Roof”, Duro-Bond and Duro-Guard are registered marks owned by Duro-Last, Inc.

2 of 2 www.duro-last.com 800-248-0280

Updated: 11/13/2013