Comstar's Furnace Cement adheres to stone, brick, wood, metal, and most common building materials. It withstands temperatures up to 3000°F. This is fireproof, acid proof, gas-tight, and smokeless. The Furnace Cement contains no asbestos or crystalline silica for an environmentally friendly formula. This low V.O.C cement resists cracking, crumbling, and shrinking. Repairs stoves and seals, reset firebrick, attach your stove collar, and glue ceramic logs. Bonds to virtually any material without...

Leak Seek is the fastest acting leak detector in today's market. Great for finding micro leaks. Just spray on and watch the bubbles appear! Produces a long-lasting bubble wherever a leak is detected. It's bright Yellow color makes the leak easy to see under a fluorescent light.Environmentally safe Detects leaks in natural gas, refrigeration gas, nitrogen, air and C02 Will not freeze Safe, non-toxic, non-corrosive Non-freezing, fast acting, long-lasting bubbleSDS Sheet Leak Seek SDS ...

Seals and prevents leak in hydronic systems. Non-hazardous and safe on all system components. Fast and easy to use.SDS Sheet Hydro Seal SDS

ComStar s Boiler Seal and Liquid Plug are both non-freezing, odorless and quick-acting sealants for use in steam boilers and hot water systems. They can be used in both new installations and existing systems. When Boiler Seal or Liquid Plug is added to the boiler water, it rapidly seeks out the leak, fills the crack and then hardens to seal the opening and stop the leak. Boiler Seal and Liquid Plug will not affect existing seals in the system and can be left in the system. For small openings...

ComStar s Boiler Seal and Liquid Plug are both non-freezing, odorless and quick-acting sealants for use in steam boilers and hot water systems. They can be used in both new installations and existing systems. When Boiler Seal or Liquid Plug is added to the boiler water, it rapidly seeks out the leak, fills the crack and then hardens to seal the opening and stop the leak. Boiler Seal and Liquid Plug will not affect existing seals in the system and can be left in the system. For small openings...