In this article we will be focusing on the suspended concrete floor particularly beam and block floors.
Ground floor building regulations concrete floor construction.
Building regulations for concrete floor construction.
The building regulations backstop target u value for ground floors is 0 25w m2k which should be easily achievable with 75mm or 100mm thick rigid insulation boards laid over the surface.
Ground bearing concrete floor slabs should be at least 100mm thick including monolithic screed where appropriate.
There are two types of concrete floor system commonly used in residential construction.
To prepare the base cut the ground level to the proper depth to allow for the slab thickness.
Ground bearing and suspended.
Bre digest 522 parts 1 2 hardcore for supporting ground floors of buildings builders book an illustrated guide to building energy efficient homes.
Five to six inches is recommended if the concrete will receive occasional heavy loads such as motor homes or garbage trucks.
Standard concrete floor slab thickness in residential construction is 4 inches.
Strip foundation provide 225mm x 600mm concrete foundation concrete mix to conform to bs en 206 1 and bs 8500 2.
A typical way of constructing a solid floor would be to provide a base of hardcore with sand blinding with a layer of concrete over that.
All foundations to be a minimum of 1000mm below ground level exact depth to be agreed on site with building control officer to suit site conditions.
Suspended concrete floors as part of the building regulations for concrete floor construction it is stated that structures should be built so that it is protected against the growth of intrusive plant life.