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ANSI A42.1

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ANSI A42.1 1964 Edition, January 1, 1964 American National Standard Gypsum Plastering

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Description / Abstract: Scope and General Provisions

This standard specifies the minimum requirements for approved gypsum plastering. The use of equivalents or better is permissible.

Where a specific degree of fire resistance is required for plastered assembles and constructions, applicable building code regulations shall be followed. Details of construction to achieve required fire resistance may be obtained from official reports of fire tests conducted at recognized fire testing laboratories in accordance with American Standard Methods of Fire Tests of Building construction and Materials, A2.1-1956 (ASTM1 e 119-55)

To secure, in largest measure, the desirable results of plastering, it is recommended that those who use this standard coordinate its provisions with American Standard specifications for Interior Lathing and Furring, A42.4-1955.

General information regarding matters of a contractual nature concerning plasterwork will be found in Appendix A. additional technical information related to plastering and plastering materials I provided in Appendix B.