How many blocks do I need that are 9 by 6 to cover an area of 40 by 10 foot?
How Many Blocks Do I Need To Cover 20 X20 With 4 X 8 Brick?
60x 20 with 4x8 brick
20 x 20 = 400 4x8= 24 400 divided by 24 =16 remainder o.16 so 25 bricks ,one cut, plus 10 mm joints and spare cuts