Building Regulations

NHBC Standards – 6 2 External timber framed walls

Chapter 6.2 This Chapter gives guidance on meeting the Technical Requirements and recommendations for external walls of timber framed dwellings, substantially timber framed dwellings and wall panels (including relevant certification procedures).  This chapter applies to timber framed walls up to three storeys high.  Some modification may be required for walls more than three storeys high.
NHBC Standards do not cover aspects of health and safety relating to building operations and to the handling and use of certain building materials. Such matters are covered by statutory requirements.
This version of the Standards has been updated to include the Amendments to the Standards April 2004. Previous versions of the standards can be accessed in the Archive section (below).

Section 6.2 Contents

DESIGN

•        Design Standard

•        Statutory requirements

•        Loadbearing walls

•        Moisture control and insulation

•        Preservative treatment

•        Exterior cladding

•        Control of fire

•        Other elements of timber framed buildings

•        Provision of information

MATERIALS

•        Materials standards

•        Timber

•        Timber preservation

•        Sheathing

•        Breather membranes

•        Cavity barriers and firestops

•        Holding down devices

•        Nails and staples

•        Vapour control layers

•        Wall ties and fixings

•        Wall insulation

SITEWORK

•        Sitework standards

•        Construction

•        Breather membranes

•        Wall ties

•        Insulation

•        Vapour control layers

•        Cladding

•        Control of fire

•        Services

APPENDIX 6.2-A

•        Statutory references

APPENDIX 6.2-B

•        Certification procedure

APPENDIX 6.2-C

•        Specimen certificate (England, Wales, Northern Ireland and Isle of Man)

APPENDIX 6.2-D

•        Specimen certificate (Scotland)

LIST OF CHAPTERS
INDEX

Archive

Chapter 6.2 (2003)

Amendments to the Standards (2003)

Source: NHBC Standards

            April 2004

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