Hi Everyone
My son has just bought a house that needs a new dpc. As part of this job we will be replacing the ancient concrete floor in the kitchen with a suspended wooden floor supported on pillars from a concrete subfloor. We have already started digging out the old floor to the same depth as the subfloors in other parts of the house. The subfloors are below dpc level and the kitchen is about 3.2m x 3.4m. We assume the subfloor will incorperate a plastic sheet DPM & my questions are as follows.
1. thickness of sand under the DPM
2. thickness of sand over the DPM
3. thickness of concrete required to support the pllars for the joists
4. minimum temperature to lay the concrete
any advice would be helpful
Thanks
Ian
My son has just bought a house that needs a new dpc. As part of this job we will be replacing the ancient concrete floor in the kitchen with a suspended wooden floor supported on pillars from a concrete subfloor. We have already started digging out the old floor to the same depth as the subfloors in other parts of the house. The subfloors are below dpc level and the kitchen is about 3.2m x 3.4m. We assume the subfloor will incorperate a plastic sheet DPM & my questions are as follows.
1. thickness of sand under the DPM
2. thickness of sand over the DPM
3. thickness of concrete required to support the pllars for the joists
4. minimum temperature to lay the concrete
any advice would be helpful
Thanks
Ian