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Posted by Mongo on September 9th, 2001 09:19 AM
In reply to Brick and mortar by alan fleming on September 8th, 2001 11:47 PM [Go to top of thread]

What mortar mix are you using?

If the mix is mostly portland-based, it can result in a mix that is too stiff. Try adding lime to make the mortar more plastic.

Also, bricks laying in the sun will warm up and can wick moisture from the mortar, resulting in a lousy cure.

For strength, keep the wall moist for a few days to a week by occasionally misting with water. After misting keep it covered with a tarp. It'll slow down the cure just enough to help increase the strength of the mortar.

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