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BS 8204-3:1993

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 polymer modified cementitious wearing surfaces
Available format(s)

Hardcopy , PDF

Superseded date

20-09-2004

Language(s)

English

Published date

15-08-1993

Committees responsible
Foreword
Code of practice
1. Scope
2. Normative references
3. Definitions
4. Exchange of information and time schedule
4.1 General
4.2 Exchange of information
4.3 Time schedule
5. Materials
5.1 Polymers
5.2 Cement
5.3 Aggregates
5.4 Pigments
5.5 Admixtures
5.6 Water
5.7 Metal lathing to skirtings
6. Design
6.1 Selection parameters
6.2 Classes of flooring
6.3 Flooring thickness
6.4 Mix proportions
6.5 Bonding the flooring to the base
6.6 Damp-proof membranes
6.7 Tolerances
6.8 Joints
6.9 Channels
6.10 Skirtings
6.11 Stairs
6.12 Colour
6.13 Slip resistance
7. Preparation of concrete bases and fine concrete
      screeds
7.1 General
7.2 New concrete bases and fine concrete screeds
7.3 Old concrete bases
8. Work on site
8.1 Storage
8.2 Preparation of base slab or fine concrete screed
8.3 Protection of base slab or fine concrete screed
      against damage
8.4 Batching
8.5 Mixing
8.6 Laying polymer modified cementitious flooring
9. Health and safety precautions
10. Inspection and testing of flooring
10.1 Inspection
10.2 Testing
10.3 Levels and surface regularity
10.4 Density
10.5 Slip resistance
10.6 Adhesion of the flooring to the base
10.7 Surface hardness
11. Maintenance
Annexes
A. (normative) Recommended method for the assessment
     of levels and surface regularity
B. (normative) Tensile bond strength tests
B.1 Method of test to determine the tensile strength
     of the surface of a concrete base or fine concrete
     screed
B.2 Method of test to determine the adhesion of
     flooring to the surface of a concrete base or
     fine concrete screed
B.3 Laboratory method of test to determine the bond
     strength of a bonding agent
C. (normative) Determination of slip resistance value
     (SRV)
Tables
1. Recommended thicknesses and mix designs
2. Examples of mix proportions based on 50 kg of cement
3. Examples of bonding agents for use on concrete bases
4. Classification of surface regularity for wearing
     surfaces of normal and utility standard flooring
5. Minimum concrete strength for new base slabs and
     fine concrete screeds
6. Rebound hammer values
7. Properties of the friction tester slider (soft
     rubber)
8. Temperature corrections for SRV readings using soft
     rubber slider
Figures
1. Typical skirting detail
A.1 Slip gauges for checking surface regularity
C.1 Friction tester
List of references

Recommendations for the design and installation of flooring bonded to a concrete screed or base, that provides a tough, durable wearing surface with enhanced resistance to abrasion and dusting. Recommends thicknesses and mixes for 3 classes of flooring, work on site, inspection and testing including slip resistance.

Committee
B/544
DevelopmentNote
DRAFT FOR COMMENT 92/13633 DC
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

02/105806 DC : DRAFT SEP 2002 BS 8204-5 - SCREEDS, BASES AND IN-SITU FLOORINGS - PART 5: CODE OF PRACTICE FOR MASTIC ASPHALT UNDERLAYS AND WEARING SURFACES
BS 5395-1:2000 Stairs, ladders and walkways Code of practice for the design, construction and maintenance of straight stairs and winders
BS 8000-9:2003 Workmanship on building sites Cementitious levelling screeds and wearing screeds. Code of practice
03/303970 DC : DRAFT APR 2003 BS 8000-9 - WORKMANSHIP ON BUILDING SITES - PART 9: CEMENTITIOUS LEVELLING SCREEDS AND WEARING SCREEDS - CODE OF PRACTICE
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 8204-6:2001 Screeds, bases and in-situ floorings Synthetic resin floorings. Code of practice
BS 8204-4:1993 Screeds, bases and in-situ floorings Code of practice for terrazzo wearing surfaces

BS 882:1992 Specification for aggregates from natural sources for concrete
BS 5075-1:1982 Concrete admixtures Specification for accelerating admixtures, retarding admixtures and water reducing admixtures
BS 6100-6.3:1984 Glossary of building and civil engineering terms. Concrete and plaster Aggregates
BS 1199 & 1200(1976) : 1976 AMD 5126 SPECIFICATIONS FOR BUILDING SANDS FROM NATURAL SOURCES
BS 7263-1:1990 Precast concrete flags, kerbs, channels, edgings and quadrants Specification
BS 1014:1975 Specification for pigments for Portland cement and Portland cement products
BS 915-2:1972 Specification for high alumina cement Metric units
BS 6100-6.2:1986 Glossary of building and civil engineering terms. Concrete and plaster Concrete
BS 8204-1:1987 Screeds, bases and in-situ floorings Code of practice for concrete bases and screeds to receive in-situ floorings
BS 903-A26:1969 Physical testing of rubber Determination of hardness
BS 8204-2:1987 Screeds, bases and in-situ floorings Code of practice for concrete wearing surfaces
BS 1369-1:1987 Steel lathing for internal plastering and external rendering Specification for expanded metal and ribbed lathing
BS 6100-6.4:1986 Glossary of building and civil engineering terms. Concrete and plaster Admixtures
BS 1881-202:1986 Testing concrete Recommendations for surface hardness testing by rebound hammer
BS 6100-6.1:1984 Glossary of building and civil engineering terms. Concrete and plaster Binders
BS 6319-4:1984 Testing of resin and polymer/cement compositions for use in construction Method for measurement of bond strength (slant shear method)
BS 1881-114:1983 Testing concrete Methods for determination of density of hardened concrete

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