Suspended Timber Ground Floor Construction

The floor can be formed in various ways using timber joists precast concrete panels block and beam system or cast in situ with reinforced concrete.

Suspended timber ground floor construction. Basic suspended timber is affordable but i joists and open metal web joists are more commonly chosen for their versatility which comes at an added cost. 5 1 17 ground floor slab and concrete. Of the common go to options concrete beam and block and suspended timber concrete is the cheapest and beam and block the most expensive. They can normally span greater distances than timber joists.

Suspended timber ground floors consist of the finished timber floorboards being attached to floor joists which are suspended above the subfloor of the foundation. Suspended timber floors are normally made up of timber joists suspended from bearing walls which are then covered with either floor boards or high quality sheets of tongue and groove. These vary depending upon the age of the building its structural form limitations of the timber available and the local traditions. Average costs including insulation and labour.

Ventilation is required in the same way as a suspended timber floor. Suspended concrete floor this construction is similar to the timber floor above but uses either pre cast concrete planks or small pre cast concrete beams with concrete blocks laid between the beams. 6 3 10 construction of steel framed partitions. Previously floor timbers had been prone to damp and rot thanks to their direct contact with the moist ground.

These floor joists are raised above the subfloor on small supporting walls called tassel walls or sleeper walls. 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. The ground floors in most medieval domestic buildings were simply compacted earth. Different types of ground floor suspended flooring suspended timber floors need to have spaces underneath ventilated via air bricks through the outer walls and gaps in any internal walls so that the air can move across the building underneath the floors to prevent the build up of moisture in the timber which could lead to fungal attack.

6 3 9 construction of timber partitions. This chapter gives guidance on meeting the technical requirements for suspended ground floors including those constructed from. 1 suspended timber floor construction there are several different types of suspended timber ground floor construction. However the floor structure is supported by external and internal walls.

A suspended floor is a ground floor with a void underneath the structure.