After the first row of AAC block is layed, the following rows go up much more quickly. First, thinset mortar is applied to the end of the previous block and the horizontal area where the next block will be layed.
|Apply thinset mortar to the end of the previous block using a 1/4 square toothed trowel.|
|2. Trowel thinset mortar on the horizonal area where the next block will lay.|
|3. Gentally set the AAC block in place. Coming at a slight angle helps avoid touching the mortar unevenly.|
|Press the block against the previous block, being careful to not push the previous block out of place. The thinset mortar begins to set up in 30 seconds.|
|Now check for levelness in three directions:
|2) In and out|
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