14mm/20mm, Grey multicolour mix
10-14mm, Grey multicolour mix
14-20mm, Grey multicolour mix
14mm, Dark Grey/Charcoal colour
Level base layer beneath decorative stones
14mm, Grey multicolour mix
20mm, Grey multicolour mix
Prevents movement of stone
Materials for completing roofing project
14mm, Grey multicolour mix
14mm & 20mm, White/Grey colour