Lightweight plate with punched holes 50 mm all round the hole in the plate with 4no spacer lugs to provide a 50 mm air gap clearance

Lightweight plate with punched holes 50 mm all round the hole in the plate with 4no spacer lugs to provide a 50 mm air gap clearance

• Provides a 50 mm air gap clearance to a penetrated floor or ceiling. Must be used when the flue penetrates a combustible floor.
• If using a joist support where