Hollow Dense 7.3N Concrete Block is only available from us in the one size of 440 x 215 x 215mm. These blocks are extremely versatile and can be used in a number of situations. They provide a secure basing for fixings and are good for external and cavity walls.
They are also fire resistant and have some sound insulation properties. For a solid block with high strength capabilities, use the Solid Dense Concrete Block 7.3N that is also available to buy from us. For any further advice or assistance, speak to a member of our team by using the live help icon and an advisor will respond as soon as they become available.