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Mortar from a caulking gun?

M

MikeC

Silver Member
Joined
May 17, 2012
Messages
230
Location
NW Pennsylvania
I was speechless. Some sort of caulking used as mortar. I didn't even know what it violated. The best I could come up with on the spot was IPMC 102.5Yes, I stuck my knife in it. I figured if it was properly done, I shouldn't be able to do any damage with a knife. Just another slumlord adding lipstick to a pig.

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MikeC said:
I was speechless. Some sort of caulking used as mortar. I didn't even know what it violated. The best I could come up with on the spot was IPMC 102.5Yes, I stuck my knife in it. I figured if it was properly done, I shouldn't be able to do any damage with a knife. Just another slumlord adding lipstick to a pig.

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Several companies produce a latex sanded compound for pointing up motor joints.
 
MikeC said:
But to be used for new block? Somebody is going to have to show me it is approved for that.
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Not designed as a structural compound, only as a point up for small cracks etc.
 
I used grey latex caulk to repair non-structural brick mortar joints a couple of times... I also googled 'mortar in a caulk gun' and found that most listed were for latex based pointing repair, but... one manufacturer does make a caulk gun like device that can deliver actual mortar for bedding. I didn't take the time to read the details, but I would imagine that it is site mixed mortar that is applied via the device, as mortar will hydrate even in a sealed container (lacking some alternative mixture that would delay the process).
 
If it doesn't comply with ASTM C 270, and if its not type M or S it can't be used for structural in foundation walls. IRC 607.1
 
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