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

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 ...

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, ...

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.

Mr Trump, who declared the emergency after Congress refused funding for the wall, has said he will veto the bill. The resolution passed the Democrat-led House by a margin of 245-182. Thirteen ...