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SCHUNDLER COMPANY--Lightweight Sound-Deadening Perlite Concrete
...and lapped to prevent leakage onto the sub floor. Finishing: Finish will be as specified by owner. Normally a steel float finish is satisfactory for carpet and pad, while a steel trowel finish is necessary under resilient or sheet flooring. Up to 2% of Calcium Chloride may be used to accelerate finishing time. CAUTION: Calcium Chloride may... See #1.
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Weld-Crete Guide Specifications
...MUST BE CLEAN, free from loose material, dust, dirt, oil, grease, wax, loose paint, mildew, rust, laitance or efflorescence. If preparing an old concrete floor surface (steel trowel finish), mechanically scarify the surface and follow with an acid wash and thoroughly rinse with clean water. An economical method for cleaning concrete floor... See #2.
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