NCMA TEK

ncma TEK. National concrete masonry Association an information series from the national authority on concrete masonry technology CRACK CONTROL FOR concrete BRICK AND TEK 10-4. Movement Control (2001). OTHER concrete masonry VENEERS. brick units or half-high concrete masonry units, as shown Keywords: concrete brick, control joints, crack control, joint reinforcement, shrinkage, veneer in Figure 1. concrete brick units most commonly have a nominal thickness of 4 in. (102 mm), lengths of 8, 10, 12 or 16 in. (203, 254, 305 or 406 mm) and heights from 2 1/2 to 6 in. INTRODUCTION (64 to 152 mm). The specified size of a concrete brick is typically 3 5/ 8 x 2 1/4 x 7 5/ 8 in. (92 x 57 x 194 mm). They are concrete masonry veneer is used to provide a beautiful, usually laid with bed joints slightly larger than the standard 3. economical and highly durable exterior. concrete brick are /8 in. (10 mm) thickness to provide a constructed height of widely used over concrete masonry , concrete frame, steel 2 2/3 in.

should not be wetted prior to placement. Concrete brick unit properties are summarized in TEK 1-1C, ASTM Specifications for Concrete Masonry Units (ref. 7). When clay brick banding is incorporated in a concrete

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