40mm Blue Slate is a larger, chunkier alternative to the 20mm version. Mined in North Wales it is often preferred by many people for use on driveways and paths because of its flatness and durability. Blue Slate 40mm is an eco-friendly by product of the slate industry and is produced from crushing slate waste.
ORDER NOW TO RECEIEVE YOUR FREE ROLL OF LANDSCAPING FABRIC WORTH £12! 1 FREE ROLL WITH EVERY BULK BAG OR PALLET ORDERED.
Nominal Size: 30mm-50mm. Slate is graded to the nominal size on one side, so it may be bigger or smaller on other sides.
Shape: Flat and angular
How much will I Need?: 1 Bulk Bag will cover approximately 10sq metres at 50mm or 16sq metres at 30mm. Please refer to our gravel calculator if you need any help with this.
Fish Friendly?:Blue slate is fish friendly and safe to use in ponds and aquatic features..
Borders and Edges
Large Coverage Areas
Blue Slate is a natural product, some small variations in colour and size may occur
Standard delivery is free to most UK postcodes and takes around 2-3 working days.
ORDER NOW TO RECIEVE YOUR FREE ROLL OF LANDSCAPING FABRIC WORTH £12! 1 FREE ROLL WITH EVERY BULK BAG OR PALLET ORDERED.