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Karnak 502MS Karna-Flex Sealant 3 Gallon Gray
Karnak Karna-Flex Sealant 3 Gallon Gray
KARNAK 502MS Karna-Flex's elastomeric properties make it an excellent sealant for prepared metal, concrete, asphalt, spray polyurethane foam, and plywood roof system details. Ideal for sealing and waterproofing cracks and splits on BUR and modified bitumen asphalt roofs, metal roof seams and splits, EPDM, TPO, and PVC seams as well as gutters, fasteners, pinholes in metal, flashing, and curb details. Also use to seal around skylights, penetrations, and rooftop equipment. May be applied to wet or dry surfaces. PVC and TPO roof surfaces should be at least 4 years old before application.
Color: Gray
Available colors: Black, Gray, and White
See "Related Products" below for more options.
Karnak Karna-Flex Sealant 3 Gallon Gray
KARNAK 502MS Karna-Flex’s elastomeric properties make it an excellent sealant for prepared metal, concrete, asphalt, spray polyurethane foam, and plywood roof system details.
One component—no need to intermix with other materials
Easy application by brush or caulking gun
Superior film—forms a durable, weather-resistant elastomeric membrane
Has superior adhesive and cohesive strength
Low-temperature flexibility—specially selected polymers and resins impart superior low-temperature properties to the coating
Adheres to wet or dry surfaces
Weight per Gallon: 9.7 lbs
Maximum Shrinkage: 25%
Colors: White, Black, and Gray
Tensile Strength: 40 psi
Elongation: 500%
Low Temp Flex: -40°F
ASTM-C-734: No cracking/pass
Recovery: 75% min.
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