Ground Floor Suspended Timber Construction

Previously floor timbers had been prone to damp and rot thanks to their direct contact with the moist ground.

Ground floor suspended timber construction.

Many houses had ground floors constructed with stone or clay flags. It can be divide into two portion. These floor joists are raised above the subfloor on small supporting walls called tassel walls or sleeper walls. 150mm concrete subfloor 5.

1050 x 350 reinforced concrete strip foundation 2. The floor boarding is support on bridging or floor joists of timber. There are approximately 10 million suspended timber ground floor constructions in the uk and millions more globally. The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property.

150mm min hardcore 3. Approximately 6 6 million uk dwellings pre date 1919 and are predominantly of suspended timber ground floor construction the thermal performance of which has not been extensively investigated. 3 ground floors early timber floors. Ground floor hollow or timber floor.

Most houses at the end of the victorian period 1900 were built with suspended ground floors. 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. 18mm external render 100mm block outer leaf 50mm cavity 100mm insulation 100mm block inner leaf 15mm internal plaster 1. Suspended timber ground floors consist of the finished timber floorboards being attached to floor joists which are suspended above the subfloor of the foundation.

A suspended floor is a ground floor with a void underneath the structure. Basements too were covered with flags. Hollow floors also known as suspended or timber floors are simply timber joists suspended across and supported by load bearing walls under the floor. 5 2 suspended ground floors this chapter gives guidance on meeting the technical requirements for suspended ground floors including those constructed from.

For ground and upper floor. 225mm tassel wall 6. There is two ways of placing timber floor in ground. Suspended timber ground floor cavity wall.

However it is unknown how many of these floors are insulated and their. However the floor structure is supported by external and internal walls. This paper examines suspended timber ground floor heat flow by presenting high resolution in situ heat flux measurements undertaken in a case study house at 15 point locations on the floor. In this flooring timber floor is suspended from the ground level.

The main aim of this flooring is to prevent the damp. These were laid on a bed of ashes or directly onto compacted earth.