Sealants

Shop high-temperature sealants, furnace cement, gasket adhesives, and stove repair products.

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Seal and protect your heating appliance with high-temperature sealants and adhesives from Total Hearth. Designed for use on stoves, fireplaces, inserts, and venting systems, these products help create durable seals that withstand extreme temperatures.

Our collection includes gasket cement, furnace cement, high-temperature silicone, and specialty sealants for repair and maintenance applications.

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Gasket Adhesive (Clear) – 2 oz Bottle | KK0149 | Liquid Stove Gasket Glue | Heat-Resistant up to 800°F | Imperial Manufacturing

Gasket Cement (Black) – 10.3 oz Caulking Tube | KK0076 | High-Temp Adhesive for Stove Gasket & Metal Repairs | Imperial Manufacturing

Castable Refractory Cement – 3 lb Dry Mix | KK0061 | High-Temp Repair Compound for Firebrick & Stove Linings | Imperial Manufacturing

Red Silicone Sealant – 2.7 oz Tube | KK0321 | High-Temp Flexible Adhesive for Gas Fireplaces | Imperial Manufacturing

Red Silicone Sealant – 10.3 oz Caulking Tube | KK0205 | High-Temp Flexible Waterproof Sealant | Imperial Manufacturing

Black Silicone Sealant – KK0309 | 2.7 oz Tube | High Temp Rated to 450°F (232°C)

Clear Silicone Sealant – KK0322 | 2.7 oz Tube | Waterproof & Flexible | High Temp Rated to 450°F (232°C) | For Metal, Glass, Wood & Plastic

Black Silicone Sealant – KK0202 | 10.3 oz Caulking Tube | Waterproof & Flexible | High Temp Rated to 450°F (232°C) | For Metal, Glass, Wood & Plastic

Aluminum Silicone Sealant – KK0201 | 10.3 oz Caulking Tube | Flexible & Waterproof | High Temp Rated to 450°F (232°C) | For Metal, Glass, Wood & Plastic

Silicone Sealant RTV 3 Oz Tube, Black | NBK-20080-1

White Silicone Sealant – KK0207 | 10.3 oz Caulking Tube | Waterproof & Flexible | High Temp Rated to 450°F (232°C) | For Metal, Glass, Wood & Plastic

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