Green Timber Gravel Board 100mm x 22mm (4x1) PACK DEAL rockwool Rockwool is mineral wool which

Rockwool is mineral wool which means it is inorganic and is great for fire protection and environmental purposes

Please note:  Each batch of chippings may show slight tonal differences due to the natural stone finish

The brickwork size (mm) is 215 x 102

Will I need to treat these

Green Timber Gravel Board 100mm x 22mm (4x1) PACK DEAL rockwool Rockwool is mineral wool whichArranwood timber fencing gravel boards are preservative treated to provide a long and attractive service life. Carefully selected to ensure only the finest quality boards are delivered. This timber is preservative treated therefore if you crosscut, the ends should be protected using a proprietary treatment to maintain the integrity of the preservative properties. Dimensions are nominal meaning that the finished size may vary by a few millimetres in