Grouting thin brick chimney veneer

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Old 08-30-15, 11:00 AM
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Grouting thin brick chimney veneer

I have reconstructed our old chimney by framing it and hanging hardy board. We took the original bricks, cut them, and set them in the original pattern. As they are old bricks I have it in my mind I want to use a lime grout, which I have made and mixed QUITE well.

Trouble is with the grout bag. I will load it up, and can squeeze out a bead pretty easy, at first. But after the first squeeze, the nozzle packs up. Almost seems like the grout at the tip dries out and makes a plug. Pretty sure it's not a lump.

Ideas? I'm running to the hw store to see if they have a gun, and maybe an admix for flow. But I've seen the bag work, so obviously I'm doing something wrong.
 
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Old 08-30-15, 02:06 PM
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Well, in my case, practice rarely makes perfect, but things do get better.

I cut the nozzle so the hole is bigger, that helps some. Not 100% though. Still getting the occasional logjam.

The other thing that's helping is technique. Before I squirt, I tip the bag to horizontal, give it a shake like you would to liquefy and puddle the contents of a grout pan, place the nozzle in the crack, and squeeze. The squeeze is partly a twist on the closed end with one hand, partly a milking motion up close to the nozzle with the other, all in one fluid motion.

It would also help if the forearms I've been given for this job had a bit more meat on them, but that's a whole nother project.
 
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