Our Projects

Sheet Metal Connectors, Inc. was proud to fabricate the ductwork for the new Medical Biosciences Building at the University of Minnesota.

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SMC supplied rectangular ductwork as well as E-Z Flange spiral pipe and fittings to outfit the new University of Minnesota-Duluth AMSOIL Arena with a first class duct system.

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DP2501 Water Based Duct Liner Adhesive - Clear

A water based, premium quality, U.L. Classified duct liner adhesive. DP 2501 is specifically formulated for roller and low pressure spray applications.


Recommended Uses:

• Bonding fibrous duct liner insulation to galvanized duct work. Sealing cut edges of fiberglass insulation.
• Bonding kraft backed foil coverings to fiberglass and urethane flat stock or pipe insulation.
• Bonding multiple layers of fibrous insulation board.


Features and Benefits:

• U.L. Classified
• Excellent Wet Tack
• Fire Retardant
• Moisture Resistant
• Exceptional Coverage
• Low Odor
• Meets Requirements of NFPA 90A & 90B


Directions For Use:

Surface Preparation: Surfaces should be clean, dry and free of dirt, oil and any foreign matter.

DP 2501 may be applied by roller or standard spray equipment. DP 2501 may be applied to either the galvanized steel or the fibrous insulation. For best results, DP 2501 should not be thinned.

Clean up:  
Warm water and soap while in wet state.


Technical Data:

Color: Black or Clear
Base: Water
Chemical Family: Synthetic Latex
Weight Per Gallon: 8.8 ± 2%
Solids Content: 50 ± 2%
Viscosity: Approx. 3,000 cps
Application Temperature: 40°F - 110°F
Storage Temperature: 40°F - 110°F
Freeze/Thaw Stability: Do not allow to freeze
Flammability: Non-flammable
Flash Point: No flash to boiling
Open Time: Dependent on temperature, humidity, and application but generally 10 to 20 minutes
Shelf Life: 1 Year (unopened containers)
Coverage: Typical spray application may yield up to 400 sq. ft. per gallon
Packaging: 5 gallon pail, 54 gallon drum

Product FileSize
dp-2501-submittal.pdf80.84 KB

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