DURO-LAST® WB II ADHESIVE
DATA SHEET
Description:
Duro-Last® WB II Adhesive is a polymeric waterborne adhesive used to bond both Duro-Last membrane and Duro-Last Fleeceback membrane to a variety of substrates on both horizontal and vertical surfaces.
WB II Adhesive has VOC content less than 250 g/L and meets all VOC restrictions and regulations in the United States.
WB II adhesive may be used on the following substrates after they have been properly prepared as described in either the Duro-Last Adhered Fleeceback Roofing System specification or the Adhered Systems specification. The installing contractor is responsible for following all applicable building, plumbing and electrical codes.
Structural Concrete (poured in place or precast)
Wood (Plywood, OSB or Lumber)
Polyisocyanurate Rigid Insulation Board
DensDeck® Prime Roof Board
DensDeck® Roof Board (not recommended)
SECUROCK® Gypsum-Fiber Roof Board
Material Safety Data Sheet (MSDS):
Product Name: Duro-Last WB II Adhesive Trade Name: Waterborne PVC Adhesive MSDS Number / Product Code: FA636.
Precautions:
1.Review MSDS for safety information prior to use.
2.Combustible. Do not expose to heat, flame or sparks. Do not smoke while applying.
3.Use only in well ventilated areas and avoid breathing vapors.
4.Keep container closed when not in use.
5.When transferring adhesive between containers, ensure that both containers are grounded.
6.Treat empty containers with caution since they may contain flammable vapors.
7.Keep adhesive from freezing.
8.The shelf life for an unopened container of this adhesive, stored at temperatures between 60 °F (16 °C) and 80 °F (27 °C) out of direct sunlight, is 1 year from the date of manufacture.
DURO-LAST WB II PHYSICAL PROPERTIES
Packaging |
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5 gallon pail |
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Weight |
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9 lb. / gallon |
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45 lb. / pail |
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Color |
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White |
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VOC Content |
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179 g / L |
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Viscosity |
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10,000 – 16,000 cps |
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Total Solids |
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52% ± 3% |
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Open Time |
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Up to 3 hours |
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Shelf Life |
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1 year, unopened |
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Coverage - Duro-Last Fleeceback Membrane |
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Roof Deck |
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100-120 ft² / gallon |
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0.8–1.0 gallon / 100 ft² |
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(500-600 ft² / pail) |
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Vertical |
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Not Applicable |
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Applications |
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Use Duro-Last Fleece Membrane Adhesive |
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Coverage - Duro-Last Membrane |
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Roof Deck |
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140-180 ft² / gallon |
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0.55–0.7 gallon / 100 ft² |
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(700-900 ft² / pail) |
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Vertical |
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180 ft² / gallon |
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0.55 gallon / 100 ft² |
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per surface for net |
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Applications |
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per surface |
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coverage of 90 ft² |
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www.duro-last.com |
1 of 2 |
800-248-0280 |
“Duro-Last” and “The World’s Best Roof” are registered marks owned by Duro-Last, Inc. |
Revised 1/21/2011 |
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