LavaLock RTV 600 F High Temp BBQ Grill & Smoker Sealer (3 oz)

What people love (and don’t love)

What people love

Effectively seals grills and smokers to prevent smoke leaks
Rated for high temperatures, suitable for BBQ and smoker use
Works well on exhaust stacks and grease deflectors
Good curing time and easy cleanup with water
Resealable top for convenient storage
Affordable and highly recommended for sealing needs

What people don’t love

May peel off easily under certain heat conditions
Some users found it less heat resistant than advertised
One report of it detaching after a few uses on kamado grills

Reliable high-temp sealer ideal for BBQs, though heat resistance can vary.

Summary based on customer review evidence.

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Quick facts

Brand: LavaLock
Price: USD 9.95
Rating: 4.80 (48 reviews)

The LavaLock RTV 600 F BBQ Grill Smoker Sealer & Gasket Maker is a high-temp RTV silicone adhesive made for sealing grills, smokers, and other cooking equipment where a tight, durable seal matters. It’s designed to help you seal gaps, create or adhere gaskets, and keep joints watertight and weather resistant.

You can view the current price and full details on Amazon here.

With a quick, self-curing formula and a handy 3.0 oz tube (2.8 fl oz), it’s a practical choice for maintenance and repairs on doors, lids, vent pipe connections, smoke stacks, and similar high-heat areas—especially when you need a product labeled food contact safe. Note: it’s not paintable.

Ultra-temp RTV silicone rated up to 600F max temperature (3.0 oz tube / 2.8 fl oz)
Food contact safe sealer for BBQ, wood stove, residential, and kitchen equipment use
Forms, seals, and adheres—use it to create or attach gaskets
Multiple uses: vent pipe, smoke stack, doors, lids, and other cooking equipment requiring food contact safe RTV silicone
Quick cure, self-curing, easy to apply, long lasting, watertight, and impervious to weather (not paintable)

Product details: 7.75 x 1.25 x 1.25 inches; 3 ounces. ASIN B0B339DWQ2.