BS 4721:1981
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for ready-mixed building mortars
Hardcopy , PDF
English
31-07-1981
01-01-2005
Foreword
Cooperating organizations
Specification
Section one. General
1 Scope
2 References
3 Definitions
4 Testing and sampling
Section two. Ready-mixed lime:sand for mortars
5 General
6 Categorization
7 Materials
8 Sampling of the ready-mixed lime:sand for mortars
9 Available lime content of the ready-mixed lime:sand
for mortars
10 Physical properties of the ready-mixed lime:sand for
mortars
11 Manufacturer's certificate
12 Marking
Section three. Ready-to-use retarded mortar
13 General
14 Designation
15 Materials
16 Sampling of the ready-to-use mortar
17 Composition of the ready-to-use mortar
18 Physical properties of the ready-to-use mortar
19 Manufacturer's certificate
20 Marking
Section four. Ready-to-use retarded mortar for screeds
21 General
22 Designation
23 Materials
24 Sampling of the ready-to-use screeding mortar
25 Composition of the ready-to-use screeding mortar
26 Physical properties of the ready-to-use screeding
mortar
27 Manufacturer's certificate
28 Marking
Appendix
A Notes on the selection and use of ready-mixed
building mortars
Tables
1 Available lime content of lime:sand mixes
2 Specified properties of the cement gauged mortars
3 Composition of ready-to-use mortars
4 Specified properties of ready-to-use mortars
5 Ready-to-use screeding mortars
6 Specified properties of ready-to-use screeding
mortars
7 Cement additions required before use; volume
proportions
8 Cement additions required before use; mass
proportions
9 Gypsum additions required before use; volume
proportions
10 Gypsum additions required before use; mass
proportions
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.
| Committee |
B/519/2
|
| DevelopmentNote |
Superseded by BS EN 1015-11, -10, -9, but remains current until further notice
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 8204-1:1999 | Screeds, bases and in-situ floorings Concrete bases and cement sand levelling screeds to receive floorings. Code of practice |
| BS 8204-4(2004) : 2004 | SCREEDS, BASES AND IN SITU FLOORINGS - PART 4: CEMENTITIOUS TERRAZZO WEARING SURFACES - CODE OF PRACTICE |
| PD 6472:1974 | Guide to specifying the quality of building mortars |
| 05/30131954 DC : DRAFT APR 2005 | BS 5628-3 - CODE OF PRACTICE FOR THE USE OF MASONRY - PART 3: MATERIALS AND COMPONENTS, DESIGN AND WORKMANSHIP |
| BS 5628-2:1995 | Code of practice for use of masonry Structural use of reinforced and prestressed masonry |
| BS 5628-2:2000 | Code of practice for use of masonry Structural use of reinforced and prestressed masonry |
| BS 5628-3:2001 | Code of practice for use of masonry Materials and components, design and workmanship |
| BS PAS 68(2007) : 2007 | SPECIFICATION FOR VEHICLE SECURITY BARRIERS |
| BS 5628-1:1992 | Code of practice for use of masonry Structural use of unreinforced masonry |
| BS 5262:1991 | Code of practice for external renderings |
| BS 5385-5:1994 | Wall and floor tiling Code of practice for the design and installation of terrazzo tile and slab, natural stone and composition block floorings |
| BS 5492:1990 | Code of practice for internal plastering |
| PD 6678:2005 | Guide to the specification of masonry mortar |
| DD ENV 1996-1.1 : DRAFT DEC 1996 | EUROCODE 6: DESIGN OF MASONRY STRUCTURES - GENERAL RULES FOR BUILDINGS - GENERAL RULES FOR BUILDINGS - RULES FOR REINFORCED AND UNREINFORCED MASONRY (TOGETHER WITH UNITED KINGDOM NATIONAL APPLICATION DOCUMENT) |
| BS 5385-3:1989 | Wall and floor tiling Code of practice for the design and installation of ceramic floor tiles and mosaics |
| 03/303957 DC : DRAFT APR 2003 | BS 5385 - WALL AND FLOOR TILING - PART 3: CODE OF PRACTICE FOR THE DESIGN AND INSTALLATION OF INTERNAL AND EXTERNAL CERAMIC FLOOR TILES AND MOSAICS IN NORMAL CONDITIONS |
| 04/30055999 DC : DRAFT APR 2004 | BS 8204-4 - SCREEDS, BASES AND IN SITU FLOORINGS - PART 4: CEMENTITIOUS TERRAZZO WEARING SURFACES - CODE OF PRACTICE |
| BS 8103-2:1996 | Structural design of low-rise buildings Code of practice for masonry walls for housing |
| BS 8298:1994 | Code of practice for design and installation of natural stone cladding and lining |
| BS 4887-2:1987 | Mortar admixtures Specification for set retarding admixtures |
| BS PAS 68(2005) : 2005 | SPECIFICATION FOR VEHICLE SECURITY BARRIERS - FIXED BOLLARDS |
| BS 8221-2:2000 | Code of practice for cleaning and surface repair of buildings Surface repair of natural stones, brick and terracotta |
| BS 8204-4:1993 | Screeds, bases and in-situ floorings Code of practice for terrazzo wearing surfaces |
| BS 5075-1:1982 | Concrete admixtures Specification for accelerating admixtures, retarding admixtures and water reducing admixtures |
| BS 5838-2:1980 | Specification for dry packaged cementitious mixes Prepacked mortar mixes |
| BS 5628-1:1978 | Code of practice for use of masonry Structural use of unreinforced masonry |
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