Karnak 502MS Karna-Flex Sealant 3 Gallon Black

$178.74

In Stock

Only 18 left

SKU

CM502MSBL

Karnak Karna-Flex Sealant 3 Gallon Black

KARNAK 502MS Karna-Flex is an elastomeric, thermoplastic-rubber sealant formulated for use on properly prepared metal, concrete, EPDM, TPO, and most PVC membrane as well as spray polyurethane foam and plywood roof substrates. Its ease of application, superior adhesion, elasticity, and durability make 502MS Karna-Flex an ideal repair sealant. Available in a brush mastic or caulking cartridge.

COLOR: Black

Weight per Gallon: 9.7 lbs
Maximum Shrinkage: 25%
Colors available: 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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Karnak Karna-Flex Sealant 3 Gallon Black

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.

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

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