Square-shaped garden building stone used for producing steps in a garden has hollow chambers arranged over its width

摘要

Square-shaped garden building stone has hollow chambers (2a, 2b) arranged over its width. The width (B) and height (H) are dimensioned so that at a height of 12-23 cm B + 2 x H is 58-68 cm. Preferred Features: The building stone is made from artificial stone or concrete. The length (L) of the stone is 10-80 cm. The stone has a wall thickness of not less than 3.5 cm.