Use a torpedo level to level each of the landscape retaining wall blocks front to back and a 4- or 6-ft. level to keep each course level and even. Set the blocks with a heavy rubber or plastic mallet.

The blocks are made without additives or fillers — 22 pounds of plastic create 22 pounds of ByBlock bricks. "We've modeled our ByBlocks around the dimensions of a hollow cement block.

Surf Block Maui has developed a system that converts foam from surfboard-shaping into building materials for local ...

8. Plastic bricks can be used to build other things schools need. UNICEF has a prototype desk made from plastic bricks, a longer-term solution to the wooden desks students currently use.

Wyoming-based ByFusion uses steam and compression to transform plastic waste into 22-pound construction blocks, called ByBlocks. It is expected to begin operation in a new facility in Tucson by the ...