Flat Roof Falls Building Regulations

It is a requirement of building regulation part h that adequate provision is made for rainwater to be carried from the roof of the building.

Flat roof falls building regulations.

For further information contact the building regulations division. Roofers encounter many hazards on the job. The design of falls is covered by bs 6229 2003 flat roofs with continuously supported coverings. Flat roof this usually consists of felting which has a slight fall to allow rain water to drain off.

Protecting roofing workers 7 purpose and scope of this guide falls are the leading cause of death in the construction industry accounting for over 3 500 fatalities between 2003 and 2013. Some repairs to flats roofs will not require an application for approval under the building regulations. Code of practice bs 8217 2005 reinforced bitumen membranes for roofing. Code of practice and nhbc standards.

According to bs 6229 bs 8217 flat roofs should be designed with minimum falls of 1 40 to ensure a finished fall of 1 80 can be achieved allowing for any inaccuracies in the. To enable compliance with the requirements of the building regulations to be demonstrated full details of the new roof will be needed including materials and their dimensions and performance properties. In most situations this work will need building regulations approval. Not complying with part h of the building regulations or with the relevant british standards for flat roofing or flat roof drainage.

Falls on a flat roof with a concrete deck are either provided within the structural concrete itself or created within the screed which is laid over the concrete deck as for in situ cast concrete slab. When installing or repairing a flat roof you must adhere to building regulations. The building regulations encourage a minimum fall of 1 40. In my opinion the latest guidelines are more streamlined and easier to understand which can only be a good thing the guidelines are vital to successful flat roofing martin added.

There must be a slope of 1 80. Minimum finished fall required according to bs6229 is 1 80. In summary the following definitions would apply to flat roof designs for rainwater drainage. 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.

Falls from roofs accounted for nearly 1 200 or 34 of the fall deaths during that period. After a period of time the roof on existing buildings will need to be replaced. For definition purposes bs 6229 defines a flat roof as having a pitch less than 10 to the horizontal. Defined as a flat roof with a minimum finished fall of 1 80.