Small lengths of timber fitted horizontally between vertical timber studs or ceiling joists to strengthen the structure.
A valve that only allows water to pass through in one direction. Often used in pumps and plumbing systems to prevent back-siphoning.
The front edge of a stair tread.
lets do diy LTD (Company No. 6629028) BA2 2PA.
© lets do diy LTD 2008 - 2016