The Opening in Existing Floor Estimating Calculator estimates the Material, Labour and Plant required to form an opening in an existing floor and make good. This estimating calculator is generally used when extending into the attic of an existing property.
- The Opening in Existing Floor Estimating Calculator builds up the cost of:
- Propping the opening & removing the debris during construction
- Plasterboard and skim
- Plus all labour associated with the above
The Opening in Existing Floor Estimating Calculator is linked to the Specification.
- Trimmers to the opening need to be estimated separately using the Cut Roof Attic Interior Conversion or Truss Roof Attic Interior Conversion Estimating Calculators.