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- Thermoplastic elastomer based sealant.
- Black 10 oz. tube.
- Used for sealing roof seams and tears, flashings, copings, skylights, gutters, etc.
- Adheres to metal, Kynar coated metal, asphalt, shingles, modified bitumen, EPDM, TPO, Elvaloy/PVC, Hypalon, vinyl, fiber cement, wood, concrete, tile, masonry, and glass.
- Can be applied on wet or dry surfaces.
- Limited 15 year warranty.
- Made in USA.
EternaCaulk Black Sealant
The Eternabond EternaCaulk Black is a multi-purpose sealant that is used primarily for filling holes on RV roofs to stop leaks. It is perfect for those areas, where people can see and appearance is crucial. This caulk can also be used along with eternabond tapes for sealing roof seams and tears, flashings, copings, skylights, gutters, and much more. The kinds of materials it adheres to are metal, Kynar coated metal, asphalt, shingles, modified bitumen, EPDM, TPO, Elvaloy/PVC, Hypalon, vinyl, fiber cement, wood, concrete, tile, masonry, and glass, it can also be applied to surfaces that are wet or dry.
How To ApplyThe application of EternaCaulk is quick and easy, but before you start you must clean the surface and rid it of all debris. If you have a porous surface, it may be beneficial to to put down a coat of EternaPrime to create a smooth surface for the caulk to adhere to. Once the surface is ready, cut the top off the tube, puncture the seal, and apply. The maximum suggested joint width and depth is 3/8" and if the joint is too deep, use a foam backer rod to fill the extra space.
Technical Specs.
Adhesion ASTM C-794 to:
Aluminum: 26 lbs. per linear inch
Cement/Mortar: 22 lbs. per linear inch
Asphalt 20 lbs. per linear inch
EPDM 15 lbs. per linear inch
PVC/KEE 15 lbs. per linear inch
Shingle 19 lbs. per linear inch
Steel 15 lbs. per linear inch
TPO 11 lbs. per linear inch
Wood 22 lbs. per linear inch
Color: Black
Container size: 10 oz. tube
Elongation: ASTM D-412
1000% @ 77° F (25° C)
Flash point: (TCC) +51° F (38.7° C)
% Non-Volatile: 75 max.
% Solids by volume: 68 min.
Tensile strength: 800 psi min.
VOC: <250 g/l
(compliant in 50 states)
Application & Warranty
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RV Roof Repairs
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Roof Repairs
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Other Repairs
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