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Your cart is empty.Environmentally friendly, non-toxic, and rated up to 1050°F (565°C) - the IGS Industries Mill-Pac Black 1050-Degree High Performance Sealant is the perfect solution for your adhesive sealant needs! Mill-Pac Black will not crack or shrink, providing years of durability. Created using non-RCF refractory fibers and eliminating any OSHA and EPA concerns, Mill-Pack Black is suitable for fireplaces, direct vent systems, flue joints and boxes, as well as wood, pellet and gas stoves.
Lynda Hollingsworth
Reviewed in the United States on January 6, 2025
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MarkS
Reviewed in the United States on March 27, 2024
This seems to be the recommendation of most direct fireplace manufacturers. It is messy and you will probably use more than you expect. There is not much documentation on how much of this to use, I used a fat bead with Duravent Pro ducting. Clean up with mineral spirits.
Rod & Barbara
Reviewed in the United States on December 29, 2023
I use for seal on wood pellet stove combustion blowers motor flange to housing. For easy removal for next service. 34 years of experienceMuch better and value than fiber gaskets that need to be replaced.
MoreAmmo
Reviewed in the United States on December 28, 2023
no instructions were sent with the sealer - having used such a product before i knew to heat cure before having a hot fire. you may like to attach instructions to the tube
M. C. K.
Reviewed in the United States on December 3, 2022
Easy to use , and very effective. Easy clean up
Mom
Reviewed in the United States on July 7, 2021
I bought this for my husband and he loves it. He says it works great.
XJCharlie
Reviewed in the United States on January 3, 2018
Went on easily enough, let it cure for four days over Christmas, then when I fired the stove up it finished curing by SMOKING LIKE CRAZY!! We had -20F windchills and I had windows open because the smoke alarms were going off and it stunk to high heaven.After 20 minutes it cleared up and sealed the leak well, and is still holding strong.
Russell Fullmer
Reviewed in the United States on January 6, 2017
The sealant stopped leaks where it was applied.
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