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BS 8204-2:1987

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Screeds, bases and in-situ floorings Code of practice for concrete wearing surfaces
Available format(s)

Hardcopy , PDF

Superseded date

15-11-1999

Language(s)

English

Published date

30-10-1987

Foreword
Committees responsible
Code of practice
1. Scope
2. Definitions
3. Exchange of information and time schedule
3.1 General
3.2 Exchange of information
3.3 Time schedule
4. Materials
4.1 Cement
4.2 Aggregates
4.3 Pigments
4.4. Admixtures
4.5 Surface treatments
4.6 Abrasives and sprinkle finish aggregates
5. Design considerations: General
5.1 Sub-base
5.2 Methods of construction
5.3 Liability to cracking and curling of slabs and
      toppings
5.4 Tolerances on level and surface regularity
5.5 Admixtures
5.6 Surface treatments
5.7 Sprinkle finish and special aggregates
5.8 Resistance to abrasion
5.9 Resistance to chemical attack
5.10 Slip resistance
5.11 Thickness of direct finished slabs
5.12 Bay sizes for direct finished slabs
5.13 Joints in direct finished ground-supported slabs
5.14 Damp-proofing concrete toppings and direct
      finished floors
5.15 Direct finishing of in-situ concrete suspended
      floors
6. Design considerations: Toppings
6.1 Mix proportions
6.2 Thickness
6.3 Accommodation of services
6.4 Thickness of stair toppings
6.5 Bay sizes
6.6 Joints
6.7 Toppings on suspended floors
7. Work on site: General
7.1 Workmanship
7.2 Protection of the surface
7.3 Protection against the weather
7.4 Quality of concrete
7.5 High alumina cement concrete
7.6 Compacting and levelling
7.7 Finishing the surface
7.8 Curing
7.9 Surface treatment
8. Work on site: Toppings
8.1 Preparation of the base
8.2 Batching and mixing
8.3 Laying stair toppings
9. Inspection and testing of wearing surfaces
9.1 Inspection
9.2 Testing
9.3 Levels and surface regularity
9.4 Adhesion of bonded toppings to the base
10. Maintenance
Appendices
A. Recommended method for the assessment of levels and
     surface regularity
B References
Tables
1. Classification of surface regularity for wearing
     surfaces
2. Classification of abrasion resistance:
     recommendations for concrete flooring
Figures
1. Illustration of layers in a concrete ground floor
2. Illustration of layers in a suspended concrete
     floor
3. Slip gauges for checking floor level tolerances

Recommendations for installation of surfaces including direct finished concrete slabs and high strength concrete toppings, in respect of materials, design considerations, work on site, inspection, testing and maintenance.

Committee
B/544
DevelopmentNote
PARTIALLY REPLACES CP 204: PART 2:1970. BS DRAFT 96/105292 DC REFERS TO A NEW REVISION
DocumentType
Standard
Pages
26
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

BS 7543:1992 Guide to durability of buildings and building elements, products and components
BS 5328-1:1990 Concrete Guide to specifying concrete
BS 8204-3:1993 Screeds, bases and in-situ floorings Code of practice for polymer modified cementitious wearing surfaces
BS 5328-1:1991 Concrete Guide to specifying concrete
BS 8000-9:1989 Workmanship on building sites Code of practice for cement/sand floor screeds and concrete floor toppings
BS 5442-1:1989 Classification of adhesives for construction Classification of adhesives for use with flooring materials
PD 6534:1993 Guide to the use in the UK of DD ENV 206:1992. Concrete. Performance, production, placing and compliance criteria
BS 5606:1990 Guide to accuracy in building
BS 8204-4:1993 Screeds, bases and in-situ floorings Code of practice for terrazzo wearing surfaces

BS 5075-3:1985 Concrete admixtures Specification for superplasticizing admixtures
BS 5075-1:1982 Concrete admixtures Specification for accelerating admixtures, retarding admixtures and water reducing admixtures
BS 915-2:1972 Specification for high alumina cement Metric units
BS 5075-2:1982 Concrete admixtures Specification for air-entraining admixtures
BS 8110-1:1985 Structural use of concrete Code of practice for design and construction
BS 146-2:1973 Specification for Portland-blastfurnace cement. Metric units

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£198.00
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