Concrete block for garden walls - is mainly rectangular, with distance pieces and holder tongues

摘要

The concrete block is for dry-stone garden walls. The block (1) has the overall shape of a rectangle (4), but has uneven surfaces. It has one or more distance pieces (9) beginning at a first depth below the visible surface, and down to foot depth, which extend to the top rectangle face (10). Integral tongues (12) project from the lowest face (3) of the imaginary rectangle. ADVANTAGE - Simple to lay, provided good support for sloping band.