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

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

Product ID: 557310383

Details

Brand
LavaLock
Colour
600 F - Red
Full Cure Time
4 Hours
Item Weight
10 Ounces
Liquid Volume
10 Fluid

🔥Withstands up to 600°F

🌧️Weatherproof & water resistant

🛡️FDA food contact safe

$114.70

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Seal the heat, savor the flavor! 🔥

FOOD SAFE CONFIDENCE - Meets FDA standards so your smoker stays safe and clean for every cookout.
WEATHERPROOF WARRIOR - Durable silicone formula resists rain, steam, and outdoor elements—year-round reliability.
PRECISION APPLICATION - Reusable removable tip lets you lay down a perfect 100 ft x 1/8” bead every time.
PROUDLY AMERICAN MADE - Crafted in the USA with quality you can trust and brag about at your next grill party.
ULTIMATE HEAT DEFENSE - Seals gaskets at scorching temps up to 600°F—built for serious BBQ pros.

LavaLock RTV High Temp BBQ Smoker Sealer is a premium 10 oz silicone adhesive designed to withstand extreme temperatures up to 600°F. FDA food contact safe and weatherproof, it ensures durable, safe gasket sealing for smokers and grills. Featuring a reusable tip for precise application, this American-made sealant is trusted by thousands of grill enthusiasts for long-lasting, professional-grade performance.

Specifications

ASIN	B086Q5MXZX
Brand	LavaLock
Brand Name	LavaLock
Colour	600 F - Red
Country of Publication	USA
Customer Reviews	4.6 out of 5 stars 473 Reviews
Full Cure Time	4 Hours
Included Components	RTV
Item Form	Paste
Item Weight	10 Ounces
Liquid Volume	10 Fluid Ounces
Manufacturer	Island Outdoor, LLC
Manufacturer Part Number	LL_RTV
Material Type	Silicone
Number of Items	1
Size of liquid in ounces	10 Fluid Ounces
Surface Recommendation	Tile, Pipe, Counter Top, Sink, Tub, Walls, Gutter
UPC	690996755475
Water Resistance Level	Water Resistant

Reviews

P**V

15.09.2025

P**G

14.02.2026

B**Y

24.09.2025

A**R

5.11.2025

L**.

27.05.2025

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$114.70

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Great experience from order to delivery. Highly recommended!

1 week ago

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