Recovering Flat Roof Building Regulations

For further information contact the building regulations division.

Recovering flat roof building regulations.

There must be a slope of 1 80. You will need approval however if. Tion loads indicates a building s roof struc ture needs to be capable of supporting the roof system plus equipment loads and the weight of stored material on the rooftop dur ing roofing operations. You carry out structural alterations.

A qualified roofing contractor will be able to advise on this but here are some of the main guidelines. Although each roof must be evaluated individually general guidelines can help make an informed decision whether to replace or recover an existing asphalt shingle roof. Section 1510 3 recovering versus re reroofing 2010 placement explains the specific requirements where roof system re covering is not appro. Before recovering a roof that requires building regulation approval you must submit a building notice at least 48 hours prior to commencing the work on site which must be accompanied by the fee charged by your local authority building control office.

Roof needs to achieve an external fire rating vapour barriers should be used flat roofs should be anchored to walls to prevent uplift flat roofs should be laid to falls flat roofs require regular maintenance. If a roof has only one layer of shingles that lay flat and the decking is in good condition a tear off may not be needed. If you want to carry out repairs on or re cover less than 25 per cent of the area of a pitch or flat roof you will not normally need to submit a building regulations application. Iirc its 25 of the complete building roof.

The performance of the new covering will be significantly different to that of the existing covering in the event of a fire. Most modern building codes allow a maximum of two non ballasted roof systems on a structure mostly due to the weight associated with the roofing materials. Part h of the building regulations regarding drainage state that water should drain to one or two edges. So if your flat roof is a small extension to your house ie 25 of the total roof area you should be ok to carry out the work however given you re.

Recovering roofs the changes to approved document l coming into effect 6thapril 2006 the building regulations were amended to accommodate the renovation of a thermal element this would include.