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BS 5803-5:1985

Current
Current

The latest, up-to-date edition.

Thermal insulation for use in pitched roof spaces in dwellings Specification for installation of man-made mineral fibre and cellulose fibre insulation
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

28-02-1985

Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Insulation materials
4 Condition of roof space
5 Assessment of work required in roof space
6 Application of insulation material
7 Application of additional insulation
8 Assessment of roof spaces after completion of work
9 Maintenance
10 Certification
Appendices
A Thermal insulation at rafter level
B Ventilation of roof space
C Avoidance of overheating of electric cables
Figures
1 Laying mat insulation with eaves ventilation baffle
2 Insulation with eaves ventilation
3 Soffit-less eaves: method of ventilating existing
    mat insulation
4 Insulation with eaves ventilation, cavity closure,
    insulation over joists
5 Blown fibre insulation with eaves ventilation and
    cavity closure
6 Insulation of elevated cold water tank
7 Insulation of cold water tank on joists (mat
    material)
8 Insulation of cold water tank using sheet material
9 Insulation of loft hatch
10 Typical insulation of water pipes

Specifies requirements for installation of mineral fibre and cellulose fibre insulation in pitched roof spaces in new and existing dwellings.

This Part of BS 5803 specifies requirements for the application of thermal insulation in pitched roof spaces in new and existing dwellings. It covers both the insulation of an uninsulated roof and the application of additional insulation to increase the existing standard of insulation. Insulation at rafter level is not included but advice on this type of installation is given in appendix A.

The standard specifies essential procedures and precautions to be undertaken, and makes recommendations to ensure an adequate installation.

It covers fibrous materials that may be substantially inorganic or organic and may be in the form of mats or loose-fill suitable for application by blowing.

It covers the following situations:

  1. an individual dwelling where the work is carried out by an insulation installer;
  2. a number of dwellings where the work is carried out by an insulation installer;
  3. an individual dwelling where the work is carried out without a contract.

NOTE. In all cases the clauses covering workmanship apply.

NOTE. The titles of the publications referred to in this standard are listed on the inside back cover.

Committee
B/540
DevelopmentNote
Supersedes 83/10121 DC and 92/16569 DC (08/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 7671(2008) : 2018 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
BS 5803-4:1985 Thermal insulation for use in pitched roof spaces in dwellings Methods for determining flammability and resistance to smouldering
BS 8211-1:1988 Energy efficiency in housing Code of practice for energy efficient refurbishment of housing
BS 7671(2008) : 2008 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS

BS 5803-2:1985 Thermal insulation for use in pitched roof spaces in dwellings Specification for man-made mineral fibre thermal insulation in pelleted or granular form for application by blowing
BS 5250:1975 Code of basic data for the design of buildings: the control of condensation in dwellings
BS 7671:1992 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS
PD 6501-1:1982 The preparation of British Standards for building and civil engineering Guide to the types of British Standard, their aims, relationship, content and application
BS 3589(1963) : LATEST GLOSSARY OF GENERAL BUILDING TERMS
BS 5422:1977 Specification for the use of thermal insulating materials
BS 3533:1981 Glossary of thermal insulation terms
BS 5803-1:1985 Thermal insulation for use in pitched roof spaces in dwellings Specification for man-made mineral fibre thermal insulation mats
BS 874(1983) : LATEST
BS 5803-3:1985 Thermal insulation for use in pitched roof spaces in dwellings Specification for cellulose fibre thermal insulation for application by blowing

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