Can you use gasket and silicone together?

I would strongly advise using the silicone. The so called adhesive on the gasket itself is non existent. I glued the gasket on with the silicone and it's been awesome.

Will this work to seal the chimney on a grill/smoker?

Yes. I used it for mine. Actually I sealed every gap on my smoker with it and it’s been almost a year and never had an issue. It’s worked great👍 I also bought the gasket sealer for the doors on my smoker which also worked great

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🔥 Seal the heat, savor the flavor! 🔥

GENEROUS COVERAGE - One 10 oz cartridge delivers up to 100 feet of 1/8 inch bead—more sealing, less hassle.
PROUDLY MADE IN USA - Crafted with care and quality you can trust, supporting local manufacturing.
FOOD SAFE CONFIDENCE - Meets FDA standards so your seal is as safe as it is strong—no compromises on taste or health.
WEATHERPROOF DURABILITY - Built to resist rain, steam, and smoke—keep your gasket sealed season after season.
ULTIMATE HEAT RESISTANCE - Seals tight even at scorching 600°F—perfect for your BBQ smoker’s hottest moments.

LavaLock RTV High Temp BBQ Smoker Sealer is a premium FDA-approved silicone adhesive designed to withstand extreme temperatures up to 600°F. This weatherproof, water-resistant gasket sealer offers up to 100 feet of sealing coverage per 10 oz cartridge, curing fully in 4 hours. Ideal for BBQ smokers and other high-heat applications, it’s proudly made in the USA to ensure top-tier quality and safety.

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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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$133.79

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Colour	600 F - Red
Brand	LavaLock
Item Weight	10 Ounces
Liquid Volume	10 Fluid Ounces
Full Cure Time	4 Hours
Item Form	Paste
Surface Recommendation	Tile, Pipe, Counter Top, Sink, Tub, Walls, Gutter
Water Resistance Level	Water Resistant
Number of Items	1
Manufacturer	Island Outdoor, LLC
UPC	690996755475
Material	Silicone
Item Weight	283 g
Package Dimensions	24.89 x 20.29 x 5.99 cm; 283.5 g
Item part number	LL_RTV
Included Components	RTV
Are batteries included?	No

LavaLock RTV High Temp BBQ Smoker Sealer Gasket Adhesive 10 oz Cartridge (600 F - Red)

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