Timber Ground Floor Construction Details

A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals.

Timber ground floor construction details. Ground floor hollow or timber floor. This can reduce wall widths by up to 150mm which adds a surprising amount to internal floor areas. Some newer homes have manufactured i beam shaped joists. The standard method is to lay sheets of polystyrene or similar above the ground floor and then lay a screed or a timber floor over.

Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. All the figures are based on normal domestic floor loadings where the floor construction is typically 18 25mm floor boards sheets with up to 12 5mm thick plasterboard and skim underneath. But some systems incorporate insulation within the floor itself such as tarmac s heatsave plus. Ground 19 chapter 5 floor framing 19 factors in design 19 recommended nailing practices 19 posts and girders 20 girder joist installation 23 wood sill construction 23 floor joists 23 bridging 29 built up subfloor other29 floor framing at wall projections 31 page chapter 6 wall framing 31 requirements 31 platform construction 31.

Jeremy phillips in the uk timber frame homes are usually built in a factory and then rapidly assembled on site. Hollow floors also known as suspended or timber floors are simply timber joists suspended across and supported by load bearing walls under the floor. The following table gives details of allowable spans and spacing between joists for the most common timber sizes used in floor construction. It is now a requirement of the building regulations to insulate ground floors.

Construction details in this type of flooring timber planks of 20 to 25mm thickness and width 150 to 200 a concrete bed of 100 to 150mm thick is laid. Planks are connected to each. Wooden battens of 50 to 75mm thickness and trapezium in shape are embedded in bed concrete at an interval of 500 to 700mm. Ce 200 details of construction.

Wooden planks are laid on the battens. Although timber ground floor construction used to be a popular method today it is not as common as the concrete alternatives. The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property.