Nhbc Standards Chapter 7 1 Flat Roofs And Balconies

Where run off may cause damage or staining to a façade or damage to landscaping then rainwater gutters and downpipes should be provided.

Nhbc standards chapter 7 1 flat roofs and balconies.

The details in appendix 7 1 a are intended to be a guide and may vary depending on the individual manufacturer s system. The structural design of flat roofs and balconies should. Rainwater disposal from roofs and balconies 6m2 or less in area should be considered. The cumulative effect of water discharging from multiple balconies in vertical alignment should be taken into account.

Open slatted balcony decking should drain away from the home. Insulated above the deck. For the purposes of this chapter. Intensive and extensive green roofs are shown in appendix 7 1 a.

Balcony drainage timber balconies and terraces revised october 2018 nhbc standards chapter 7 2 pitched roofs. 7 1 3 flat roof and balcony design flat roofs and balconies shall support and transmit loads safely to the structure. Falls flat roofs and balconies should. Updated chapter 6 6 staircases this chapter has been fully updated to make it clearer and align with industry guidance revised chapter 9 1 a consistent approach to finishes includes new guidance as well as a review of the existing tolerances to ensure they are appropriate and meet the reasonable expectations of homeowners.

Systems may be used at a greater pitch where they meet the requirements of this chapter and materials are adequately held in place. Flat roofs and balconies 7 1 7 1 11 accessible thresholds accessible thresholds shall be protected by adequate weatherproofing and drainage. Durability and fixing of balustrading and guard rails. Appendix 7 1 c includes typical details for flat roofs and balconies.

Issues to be taken into account include. The upper trafficked surface of the balcony. Strength and movement of masonry balcony walls. Diagonal bracing to double hipped roof plasterboard fire resisting ceiling in contact with single leaf masonry use of nail guns for fixing trussed rafter bracing.

A flat roof should be regarded as having a maximum slope of 10 from the horizontal decking or deck is the substrate of a flat roof or the upper surface of a balcony. Design that follows the guidance below will be acceptable for both flat roofs and balconies. The structural substrate of the flat roof. Nhbc standards chapter 7 1 flat roofs and balconies.

A roof with a maximum slope of 10 from the horizontal.