Since 1987, Magnum Products has manufactured drywall joint compounds and related finishing materials for professional drywall applicators. With plants throughout the United States, the company formulates products for local climate and job conditions while retaining samples and testing every production batch in its laboratories. Magnum is also the maker of Level Coat, a spray-on system developed to achieve a Level 5 drywall finish and reduce joint shadowing under strong lighting.
ASTM C475-89
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ASTM E 72-80
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ASTM E 162-87
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MSHA suitable
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