Anyone with a strong back can stack up a bunch of blocks and build a pretty retaining wall. But it takes skill and planning ...

or start from scratch with specially-made vertical garden retaining wall blocks. These heavy-duty plastic or concrete pockets ...

A completed wall would send a strong message that people wanting to come to the U.S. must make a legal application--and wait their turn.

Specifications for retaining walls include materials of construction and dimensions. With concrete block walls, block shape and block texture are also important considerations. Compressive strength, ...

The usual size of bricks in common use is length 215 mm, width 102 5 mm and height 65 mm and like blocks they must be laid in a definite pattern or bond if they are to form a structural wall. Bricks ...