Store › Weed mat 1m*100m Image 1 of 1 Weed mat 1m*100m $50.00 Prevents weed growth, allows water drainage and keeps the area beneath decking low-maintenance. Add To Cart Added! Prevents weed growth, allows water drainage and keeps the area beneath decking low-maintenance. You Might Also Like Composite Deck | Coastal Series (Hollow) from $66.31 Composite Deck | Coastal Series (Solid) $89.80