Loft Stairs Regulations
AS 4 32 Minimum vertical clearance Head Height.
Loft stairs regulations. There must be at least 2m head clearance. Retractable ladders or stairs are not normally acceptable. For general safety reasons there are specific criteria that a stair should be designed to.
We can also convert your attic into a storage space allowing you to declutter your home or turn it into a whole new living area for some extra space for your family. Provide a minimum of 68 of headroom the entire walking length of the stairs. Treads shall have a minimum live loading of 25 kPa or a 22 kN per linear metre or minimum point loading of 15 kN applied on 100mm 100 mm pad on each step whichever loading produces the more adverse effect.
In most loft conversions the stairs form part of the escape corridor and need to have a minimum of 30 minutes protection from fire. A fire-rated lobby is also usually required with a suitable fire-door located either at the top or bottom of the new loft stairs. There must be a minimum headroom height of 19m.
For loft conversions the generally accepted minimum width is 600mm however between 700mm and 750mm is recommended. Opening for new stairs This would normally be formed by cutting away some of the existing ceiling joists between the existing habitable areas of the home and the loft-space. In any case newel posts and stringers should not project more than 30 mm into the effective width of the staircase.
Have treads of at least 10 deep. The staircase must. We manufacture and install attic ladders into all types of homes.
Maximise your attics potential with our range of attic ladders. The centre of the staircase should be no less than 19 metres from the ceiling. Custom designed for you roof space and lifestyle.