The Terraforce 4 x 4 multi seating system, a combination of an accessory stair/seating block and any standard Terraforce retaining block, has become popular in South Africa and other parts of the world, and is used successfully at recreational or educational facilities.
The Terraforce 4 x 4 multi seating system, a combination of an accessory stair/seating block and any standard Terraforce retaining block, has become popular in South Africa and other parts of the world, and is used successfully at recreational or educational facilities. 
