Ground floor hollow or timber floor.
Timber ground floor.
There are 2 types of floor construction used in the building industry today.
Building a wood floor over dirt can involve several challenges not found when constructing a wood floor over traditional constructed surfaces such as concrete sand or gravel.
Cotehele house in calstock cornwall a grade i listed mansion built c1300 with later phases of alteration has an impressive lime ash floor dating from 1520.
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 flexible nature of mineral wool accommodates movements in floor ensuring all joints remain closed.
Concrete vs timber floors.
Lime ash floors are found at ground level and at first floor level often supported on a layer of reeds over the joists and hidden from below by plaster and lath ceilings.
However it is unknown how many of these floors are insulated and their.
There are approximately 10 million suspended timber ground floor constructions in the uk and millions more globally.
Solid floors are a lot more substantial and require the ground to be made up in layers of ground sub base sand compacted hard core damp proof membrane insulation and concrete.
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.
Soil shifts and is affected easily by environmental conditions outside the floor area.
Below slab separating wall.
Friction fitting mineral wool between timber joists closes joints reducing the potential for gaps and unwanted loss of thermal performance.
3 17 ground floor ins.
3 16 ground floor timber separating wall.
These can be classed as either suspended or solid.
Suspended timber ground floors consist of the finished timber floorboards being attached to floor joists which are suspended above the subfloor of the foundation.
Wall ground floor junction scottish building standards.
Wall ground floor junction scottish building standards.
Although timber ground floor construction used to be a popular method today it is not as common as the concrete alternatives.
These floor joists are raised above the subfloor on small supporting walls called tassel walls or sleeper walls.
The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property.