Yes. According to recent regulations, damp proofing should be a minimum of 2.25cm above the floor of the cavity wall. This can (in many cases, but not all) be overridden by installing a cavity tray at the base of the wall.
Yes. According to recent regulations, damp proofing should be a minimum of 2.25cm above the floor of the cavity wall. This can (in many cases, but not all) be overridden by installing a cavity tray at the base of the wall.