1galmicroseal

MICROSEAL offers an easy, economic, one-step solution for sealing porous castings, welds, coatings and leaky joints. It also secures loose screws and nuts and prevents rust. Works great for boats with leaky water tanks too!

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Please note:
NEW PRICES as of Feb. 8, 2019

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Microseal is a plastic in thin liquid form with unusually high capillary action. It fills fine pores, micro-cracks and joints between fitting parts, then hardens into a pressure-tight seal.Application is easy; just dip, brush or spray. The seal dries in about a minute and hardens at room temperature. Large castings can be spot sealed.

Our product line includes Microseal-AC, Microseal-MEK, and Miniseal in 1-gallon and 5-gallon sizes. We accept most credit cards and ship within the United States and internationally to Canada and Mexico.

Place your order today!

  • Minimizes leaking, porous rejects.
  • Inexpensive — a little sealant goes a long way and it’s easily applied.
  • Allows for less expensive foundry and manufacturing techniques.
  • Eliminates the need for pressure testing.
Have a leaky boat tank? Keep the water on the inside of that tank! Use Microseal to seal it!boat