Aico 1 gang Dry lining box fire barrier Key Features & Customer Benefits Maintains the fire protection performance of the wall- preventing or delaying the spread of fire for up to 120 minutes. Prevents or delays fire from entering a wall cavity & attacking the building structure. Cover even works when fitted back-to-back in uninsulated walls. Provides an effective acoustic barrier to both impact & airborne sounds. Covers fit in seconds. The covers are pre-formed to fit the boxes. Simple & fast mechanical fixing, no adhesives, no mess. Can be fitted in dusty conditions. Can be retro fitted to existing sockets /switches or fitted during wall construction. Covers can be stapled in position if fitted during wall construction. Replaces time consuming plasterboard lining of sockets / switches. The switch / socket box can be removed without disturbing or replacing the cover. No additional screws, drilling or support requiredsaves money. Covers available to fit both single & double boxes.