The Fire Door to Existing Wall Estimating Calculator estimates the materials, labour and plant required to fit internal fire doors into existing walls. It contains options for estimating doors into solid or cavity walls.

This estimating calculator is linked to the Specification. Items relating to the structural opening and finishes are taken from the Specification.

The information taken from the Specification, along with the options you select from the door specifier and the dimensions you enter, will be used to calculate the following items:

  • Doors
  • Frame fixings
  • Door hinges and furniture
  • Lintels, if required
  • Cavity closer, if required
  • Plastering
  • Decoration
  • Labour and plant to form opening, remove spoil, fit doors, plaster and decorate