Ratings may include incentivized customer reviews.
What Customers Are Saying
This high-temperature sealant is generally effective for sealing gaps and joints in stoves, furnaces, and other high-heat applications. Many customers report successfully using it to seal stove pipes and furnace gaskets, with the sealant holding up well to high temperatures. However, some found it did not perform as well at the claimed 600°F maximum temperature, with the sealant crumbling or falling off when used on wood stoves. Overall, the product appears to work well for most common stove and furnace applications, though users should be aware of potential limitations regarding maximum temperature.
Customer review summary generated by AI, including incentivized reviews.High temperature sealant
Would RecommendHigh temperature sealant work out fantastic! No leaks on the pellet stove pipe joints! A+
Verified Purchaser
It works if used properly
Would RecommendProduct works well on sealing my stove pipes at the seam and connections.
Verified Purchaser
Made job easier
Would RecommendWorked perfectly for hot water heater replacement
Verified Purchaser
worthless
Would Not Recommendnothing is good with this product, salesman was full of crap
Verified Purchaser
High temp caulk
Would RecommendWorks as directed.
Verified Purchaser
A little goes a long way.
Would RecommendEasy to use sticks real well.
Verified Purchaser
Works great, I always keep a tube in the tool box
Would RecommendWorks as described, not much to say about hi temp sealant
Verified Purchaser
Low quality
Absolutely does not work on metal stove pipe. Pealed away and cracked as it dried.
Verified Purchaser
Good stuff
Very easy to use, holds up well to pellet flue joints
Verified Purchaser
Perfect stove pipe sealant
Easy to use high temp sealant. Just clip the temp, squeeze, and boom you're sealed from any leaking smoke or CO
Verified Purchaser
Good product
Would RecommendProduct worked well and served purpose. Easy to apply, dried well and sealed.
Verified Purchaser
Read the fine print
Just so you know I have never tried this product but while looking for a high temp RTV this showed up and I noticed a huge error in the product specifications, specifically the 600F rating is actually a temporary short time period value NOT the max temp rating. " it can be used for extended periods at temperatures up to 26C (50F) and for shorter periods as high as 316C (600F)." So the MAX temp seems to be 50F unless this is a big typo by Lowes. I don't see how you can call 50F a high temp seal...