Nhbc Roof Insulation Standards

Nhbc standards plus 2020.

Nhbc roof insulation standards.

Roof insulation should be placed above and around water tanks but not below them cold rising pipework above ceiling level should be insulated even where it is below the main roof insulation. Ch a pte r 7 2 this chapter gives guidance on meeting the technical requirements and recommendations for pitched roofs including trussed rafter and traditional cut roofs vertical tiling weatherproofing and insulation. E size and spacing of tile battens. Below are the 3 major technical changes with further explanation.

Nhbc standards chapter 10 2 formerly ch 9 2 drives paths and landscaping. The size and spacing of tile battens should be in accordance with the roof covering manufacturer s recommendations but not less than shown in the table in appendix e. For example with an inverted roof the drainage layer would be the top of the insulation and not the waterproofing layer below. Use quick launch standards plus to browse or use the table below to select the part of the house building process you re interested in.

Light steel framing technology support with nhbc guidance for structural frames and walls chapter 6 10. Nhbc standards chapter 10 1 formerly ch 9 1 garages. Quick launch standards plus. Proprietary roof systems should be designed by an engineer in accordance with technical requirement r5.

The changes to nhbc standards 2020 are covered in this webinar from january 2020. This is because drainage between the insulation and waterproofing layer could become silted resulting in the majority of rainwater flowing over the top of the insulation. Nhbc have added throughout chapter 6 10 their support and recognition of. Log retaining walls withdrawn january 2016.

Find out more about the 7 minor technical changes from nhbc standards 2019. Nails for fixing battens should be 3 35mm 10 gauge x 65mm long. 1 in very severe exposure locations fairfaced masonry with full cavity insulation is not permitted. Garage concrete floors garage wall construction compartment walls between garages revised march 2017 carports fire separation.

Nhbc standards do not cover aspects of health and safety relating to building operations and to the handling and use of certain building materials. Now included in nhbc standards. Nhbc standards 2020.