Tarmac Topcrete Hollow Concrete Block 215mm [7.3N]

The Tarmac Topcrete Hollow Concrete Block 210mm [7.3N]  is a larger hollow cellular concrete block with excellent acoustic performance. This is a robust, durable concrete block with strong technical performance. High strength and density makes them suitable for a range of walls, including cavity walls, higher strength load bearing walls, solid internal and external walls and walls below DPC. They provide a robust surface for drylining, plaster, rendering and fixings.