Concrete Block Mold Liner - Granite Stone Heavy Rock

Concrete Block Mold Liner - Granite Stone Heavy Rock Rougher stone rock style large block liner.  Can be cut down with a table saw to create various form sizes (when cutting liners, just make multiple passes on a table saw, cutting about 1/8"-1/4" of the rubber per pass). Designed for creating Blocks, Steps, Columns, Fences, etc. These Liners are called 'Block' liners because they can easily be used to make large concrete blocks, as you would see for retaining walls.  Simply create a wood or metal frame to hold the liner when making then into blocks, set the liner in the bottom of the box, and fill with concrete. Corner piece can be placed in your box form on one end as well, when needed, for making a textured corner block. Made of extremely durable polyurethane that can flex and stay strong. Join seams using silicone. Fast and easy to place in a mold, and quick to clean after use. Good for hundreds of uses- Actually gets better with each use as they season. Specifications Concre