Dry Silo Mortar | Tarmac
One cubic metre of Tarmac dry silo mortar is sufficient to lay approximately 1700 bricks (the actual number may however vary between 1300 and 2100 this depends upon the size of brick, depth of frog, size of perforations, site practice and other factors etc.) and approximately 1200 blocks of nominal size 450 x 225 x 100mm. Choice of Colour.