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Why Do Masonry Walls Need to Breathe?
Let's get one thing out of the way first.
Your brick wall isn't actually breathing.
It doesn't inhale.
It doesn't exhale.
And if yours starts doing either one, you have a considerably different problem than the one we're discussing today.
When people in construction say masonry needs to "breathe," we're talking about moisture movement.
Brick, block, stone, and mortar are not completely waterproof materials. Moisture can enter masonry, move through portions of the wall system, and eventually need
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Oct 16th 2026