Suspended Timber Ground Floor Construction Building Regulations

Suspended timber floor as a requirement of the building regulations the structure should be protected against the growth of weeds and other plant life.

Suspended timber ground floor construction building regulations.

Suspended timber floor how to build a floating or hollow timber floor. Ground floor structure. The standard form of construction became the timber floor structure positioned over compacted earth with an air space in between. This allows air flow and ventilation to prevent the mould and dry rot that would otherwise occur over damp ground.

This void underneath the suspended floor was ventilated via airbricks or other types of vent in the external walls to ensure a very effective air flow through the under floor area. Suspended timber floor as a requirement of the building regulations the structure should be protected against the growth of weeds and other plant life. These are solid floor construction suspended concrete floor construction and suspended timber floor construction. 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.

It is now a requirement of the building regulations to insulate ground floors. 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. Supports underneath the floor are permanent and include sleeper walls or timber props placed at regular intervals.

At the turn of the 18th century when construction techniques moved from boarded floors installed directly on the ground to suspended timber floors over a ventilated chamber the innovation solved a significant problem. There are three general types of ground floor construction available. Whether building a ground floor suspended timber floor or a first floor hollow floor we explain. Common timber sizes used in floor construction.

The ground should have a layer of concrete poured across and there should be a ventilated gap of at least 150mm between the underside of the timbers and the concrete to prevent moisture. To avoid penalties when laying a concrete floor building regulations must be followed. The ground should have a layer of concrete poured across and there should be a ventilated gap of at least 150mm between the underside of the timbers and the concrete to prevent moisture. Unlike standard ground floor construction suspended floors are not sitting directly on the ground.

Building and understanding a suspended or hollow timber floor. Previously floor timbers had been prone to damp and rot thanks to their direct contact with the moist ground.