BS 5492:1990

Superseded

View Superseded by

Code of practice for internal plastering

Available format(s)

Hardcopy , PDF

Superseded date

29-09-2006

Language(s)

English

Published date

30-11-1990

Publisher

British Standards Institution

Committees responsible
Foreword
Code of practice
Section 1. General
1. Scope
2. Definitions
3. Exchange of information
4. Time schedule
Section 2. Materials and accessories
5. General
6. Plasters
7. Cement
8. Ready-mixed and retarded ready-to-use mortars
9. Lime
10. Aggregates
11. Water
12. Admixtures
13. Bonding agents
14. Synthetic fibres
15. Jointing materials
16. Metal beads
17. Gypsum plasterboard
18. Metal laths
19. Non-metal laths
20. Galvanized wire netting
Section 3. Design
21. Factors influencing the selection of a plastering
     system
22. Suitable combinations of undercoats and final coats
     and characteristics of plastering mixes
23. Principles governing the number of plaster coats
24. Impact and abrasion resistance
25. Decoration of plaster
26. Corrosive effect on metals
27. Resistance to bacteria, fungi and vermin
28. Thermal insulation
29. Condensation
30. Acoustic properties
31. Fire protection
32. Thicknesses of plastering coats
33. Trueness of the plastered finish
34. Plastering systems for various backgrounds
Section 4. Backgrounds
35. Characteristics of the background
36. Classes and types of backgrounds
37. Preparation of backgrounds
Section 5. Application
38. Storage and handling
39. Preparation of materials
40. Compatibility of plasters
41. Proportioning and mixing
42. Care of tools and plant
43. Cleanliness and protection
44. Fixing applied backgrounds
Section 6. Maintenance and renovation
45. Maintenance
46. Renovation and restoration
47. Plasterwork defects and their remedies
Section 7. Fibrous plasterwork
48. Materials and accessories
49. Design considerations
50. Backgrounds
51. Fixing
52. Maintenance
Appendices
A. Guidance on projection plastering
B. Lighting for plastering
C. Proprietary names for types of plaster
D. Typical lead time periods that might be required
    for an average contract for fibrous plasterwork
Tables
1. Characteristics of plaster undercoats
2. Characteristics of final coats
3. Cement-based plaster mixes
4. Backgrounds: characteristics and suitable plastering
    systems
5. Framing for applied backgrounds
6. Gypsum plasters
7. Cement plasters
8. Typical lead time periods for an average contract
    for fibrous plasterwork
Figures
1. Timber ground details
2. Fixing expanded metal lath to timber backgrounds
3. Fixing expanded metal lath to steel channels
4. Deviation band for finished surface
5. Straightness of walls in any 5m length

Recommendations for \'wet\' plastering using gypsum plasters, lime/gypsum plasters, premixed lightweight plasters and cement based plasters. Suitable plastering systems for all types of background are given, also plasterwork defects and their remedies. A section on fibrous plasterwork is included.

Committee	B/544
DevelopmentNote	Supersedes BS 5492(1977) & 88/14574 DC. (08/2005)
DocumentType	Standard
Pages	50
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS 8481:2006 PD CEN/TR 15123:2005 BS EN 13914-2:2016 BS EN 13914-2:2005
Supersedes	BS 5492:1977

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