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Best Practices for Keeping Single-Wythe Concrete Block Masonry Dry
The masonry industry has always promoted using a wall system that is designed with a built in redundancy against water penetration. These double-wythe walls, also referred to as cavity walls, provide a clear space between the wythes of masonry for water to drain. If the decision is to design exterior walls with only a single-wythe of masonry, this decision is made primarily in the interests of economy or reduced costs.
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