Is this stuff basically the same as high temp caulk? (Newbie install)
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Fireshoppe
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No not really. High temp caulk is like the typical flexible caulk you use around your windows except it is made from silicone, wont crack, and can withstand much higher temperatures.
The stuff in the link is rigid and is meant for pizza ovens and masonry fireplaces and what not.
What are you trying to accomplish?
The stuff in the link is rigid and is meant for pizza ovens and masonry fireplaces and what not.
What are you trying to accomplish?
Ain't no silicone on the planet can withstand higher temps than that furnace cement in his link. Silicone goes "poof" at 800 degrees and that furnace cement is good to 3,000 degrees. No Fireshoppe, it isn't fireclay mortor.
*** much high temperatures than the caulking you use around your windows. Was trying to compare high temp caulk to the regular caulk everyone is familiar with.
Are you sealing the flue collar or the top plate?
For the flue collar the furnace cement is what you want. For the top plate up top silicone caulk works just fine.
For the flue collar the furnace cement is what you want. For the top plate up top silicone caulk works just fine.
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