Suspended Timber Ground Floor Construction Details

5 1 18 laying the ground bearing floor slab.
Suspended timber ground floor construction details. There are two types of concrete floor system commonly used in residential construction. Ground bearing and suspended. 5 1 17 ground floor slab and concrete. 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.
Ventilation must be provided throughout the underfloor void and through any sleeper walls with cross ventilation. A suspended floor is a ground floor with a void underneath the structure. While knauf insulation offer various insulation products into suspended ground floor applications we would emphasise that site specific conditions should always be considered on a case by case basis and any generic product recommendations must always be subject to an onsite evaluation. 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.
This chapter gives guidance on meeting the technical requirements for suspended ground floors including those constructed from. A suspended timber floor is constructed as a timber platform of boards nailed across timber joists supported on sleeper walls and the external and internal load bearing walls surrounding them. However the floor structure is supported by external and internal walls. Suspended timber ground floors consist of the finished timber floorboards being attached to floor joists which are suspended above the subfloor of the foundation.
The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property. These floor joists are raised above the subfloor on small supporting walls called tassel walls or sleeper walls. In this article we will be focusing on the suspended concrete floor particularly beam and block floors. The suspended floor does not rely on support from the ground below but instead is supported by the external walls and.
6 3 9 construction of timber partitions.