We are working alongside English Heritage & Tarmac specialist plaster products in the plastering refurbishment works at County Hall offices using traditional lath & plaster. The refurbishment specification was to strip back all plasterwork and reinstate as per the original 1900's construction which was a Lath and plaster build up.
Lath and plaster is a technique which was first used to finish interior walls and ceilings from the early-18th until the early-to-mid-20th century. It was then generally superseded by drywall techniques and plasterboard.
The process involved laths (thin strips of timber) nailed to timber joists or posts and then covered with built-up layers of plaster. Laths typically measure 25 mm x 6 mm, and are positioned about 6 mm apart from each other to allow the plaster to penetrate into the gaps between them.