What is BS 585-1 - Wood stairs with closed risers about?
BS 585-1 is the first part of the multiple series that specifies materials and construction requirements for stairs constructed of timber, which may include plywood risers and treads and/or edge-to-edge jointed timber and/or glue-laminated wood components. BS 585-1 applies to stairs intended primarily for use inside one-family dwellings, including one or more of the following:
- Straight flights
- Winder flights
- Quarter landings
- Half landings
Note: BS 585-1 does not apply to stairs with open risers, stairs having an overall width greater than 1 220 mm, or stairs having a total going in one flight exceeding 3 800 mm.
Who is BS 585-1 - Wood stairs with closed risers for?
BS 585-1 on wood stairs with closed risers is useful for:
- Construction industries
- Designers
- Carpenters
- Civil engineers
- Contractors
- Builders
Why should you use BS 585-1 - Wood stairs with closed risers?
Closed risers are the most common style of the stair, and they're mostly seen in older, more traditional homes. Each step has a gap that is closed by a riser between each tread.
BS 585-1 specifies site fixing of stairs that will help you to fix stairs with straight flights that begin at the top of the stairs and winder flights of the stairs. BS 585-1 also specifies the design of stairs with winder flights to meet the lines of all the risers at one point, i.e., the geometric centre.
Overall, BS 585-1 will help you to fix and construct the lines of all the wood stairs with closed risers. Also, assists you with the stairs with winder flights, the inclusion of plywood treads and the increase in the minimum size of strings and newels for stairs to meet at one point.