140mm TRENCH BLOCK 7N - 275 x 300mm

Trench Blocks are a faster, simpler and safer method when compared to constructing cavity foundation walls. No wall ties are required, no cavity filling and no danger of collapsed cavities. Resulting in faster build rates, less mortar and less repetitive manual handling. Weighing less than 20kg, these lightweight concrete blocks contain up to 90% recycled and reclaimed raw material.