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Item: MON55511
MFR: 55-51/01-AT

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About This Product

Product Info


55-51 Eco-Mastic Gray is a water based mastic for weatherproofing and protectingthermal insulations on equipment, vessels, piping and fittings. It driesto a tough flexible, fire and chemical resistive finish that is easilycleaned. Eco-Mastic can be used with fiberglass, mineral wool,polyurethane, polystyrene, cellular glass, calcium silicate, and foamglass insulation. 4 x 1 Gal Cans
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight49 Pounds (lbs)
Width7.875 Inches (In)
Height15.5 Inches (In)
Country of OriginUSA
Length15.5 Inches (In)
Application Temperature45°F to 110°F (7.2°C to 43.3°C)
ApprovalsUL, LEED, NFPA 90 A & 90B
Coverage.055 Inch equals 6 gal./100 sq.ft.
Dry TimeTouch 3 Hours, Through 24 Hours
Fire RatingUL, NFPA 90 A & 90B
Flash PointNone Water-Based
For Use WithInsulation
FunctionsBreather Mastic for Insulation
Prop 65Yes
RatingsUL, LEED, NFPA 90A & 90B
Service Temperature-20°F to 180°F (-28.8°C to 82.2°C)
Shelf Life1 Year In Unopened Containers @ 70°F
Size1 Gallon
Solids Content55.9% by Volume
Storage Temperature40°F to 110°F (4.4°C to 43.3°C)
Temperature Range-20°F to 180°F (-28.8°C to 82.2°C)
TypeWater-Based Breather Mastic
UL ListedYes
UL RecognizedYes
UV ResistantYes
Viscosity80,000 - 90,000 CPS
Volume1 U.S. Gallon


Equipment Part List