Will this work to repair cracks in my pool skimmer? Is it elastic or hard like epoxy when cured?

It is elastomeric and should work well for that I would think. I used it to seal the roof seams on a 2015 GMC pickup and it worked great. Keep in mind it is self leveling so it spreads out a bit on its own.

Would this work for adhering rubber matting to a wooden and aluminum boat deck?

yes, it would work. A permanent solution would be 3M 5200 sealant. Try a small piece first!

can i use this to attach solar panels to camper roof? pnls weigh 24pnds.

I used mine for water proofing sealant while glueing down a metal flang which weighed very little. Not sure about the solar panels

Would this work in a swimming pool. I have a concrete pool that has plexiglass windows in the sides below the water level.

I believe so, we use it on the seams of our water slide that's underwater at all times.

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🛥️ Seal the deal with marine-grade confidence!

SLEEK STEALTHY - Matte black silicone finish blends seamlessly with your marine gear and hardware.
READY WHEN YOU ARE - No batteries, no fuss—just reliable, long-lasting adhesion and sealing power.
MARINE GRADE STRENGTH - Formulated to withstand harsh saltwater and weather conditions with ease.
PRECISION APPLICATION - Compact 10.3 oz cartridge designed for clean, controlled sealing every time.
ULTIMATE WATER DEFENSE - Engineered for unbeatable water resistance, perfect for marine environments.

Sikaflex 291 LOT Black is a premium 10.3 oz marine adhesive and sealant cartridge, crafted from durable silicone with a sleek black finish. Designed specifically for water-resistant sealing in demanding marine applications, it offers reliable protection against moisture and harsh environmental conditions, making it an essential tool for professionals who demand lasting performance on the water.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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€ 54.05

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Manufacturer	Sika
Part Number	90927
Product Dimensions	35.56 x 5.08 x 5.08 cm; 286.33 g
Item model number	90927
Colour	Black
Style	Compact
Material	Silicone
Item Package Quantity	1
Special Features	Water Resistant
Usage	Marine applications
Batteries included?	No
Batteries Required?	No
Item Weight	286 g

Sikaflex 291 Lot Black 10.3 oz. Cartridge Marine Adhesive/Sealant

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