Building Regulations

BS 4721:1981-Specification for ready-mixed building mortars

Summary

Specifies ready-mixed lime; sand for site prepared mortars and plasters; factory-made ready-to-use retarded mortars for masonry, plastering and rendering; factory-made ready-to-use retarded mortars for screeds. An appendix gives guidance for users of these materials.

Published Date: 1981-07-31

Pages: 16

Confirmation Date: 1986-06-15

ISBN No: 0 580 12121 6

Status: Current

Amended By: AMD 4120 published 15 November 1982, AMD 5041 published 31 March 1986

Supersedes Draft(s): 80/11148 DC, 85/11095 DC

Cross References: BS 12, BS 146, BS 890, BS 1014, BS 1198, 1199 and 1200, BS 3148, BS 3921, BS 4027, BS 4049, BS 4551, BS 4887, BS 5075:Part 1, BS 5224, BS 5262, BS 5492, BS 5628:Part 1, BS 5838:Part 2, CP 121, CP 203, CP 204, PD 6472

Source: British Standards Institute

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