Insulating concrete forms, or ICFs, are forms used to hold fresh concrete that remain in place permanently to provide insulation for the structure they enclose. Originally used predominantly in single ...

If you have already upgraded the insulation in your loft, and draught-proofed your doors and windows, and are keen to do still more, then the final insulation frontier is your floor. Because warm air ...

Q I am building an extension on to the back of my house and converting the garage to a bedroom. The existing house, built in the 1960s, has suspended timber floors, and the add-on area will have ...