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Sealmaster fills and seals cracks, holes and loose joints in steam systems. It forms a cement-like water-tight plug. Sealmaster's unique corrosion inhibitor protects the boiler's surface from pitting, even after complete draining.

  • Seals leaks
  • Inhibits corrosion in steam boilers
  • Contains no petroleum distillates
  • Will not harm seals or gaskets

    Applications Sealmaster is used to seal leaks in Steam boilers, hot water boilers and baseboard radiators. Sealmaster should be used on new installations and whenever piping repairs, related to the steam and hydronic systems, are made. This procedure will help assure the elimination of costly and annoying leaks.
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    Boiler Leak Sealant
    Leak Prevention
    32 oz.
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