Zest decking tiles are 50cm square sections of pre mounted decking boards each tile consists of lengths of 15mm thick shaped decking boards mounted on 15mm thick joists each pack contains 4 tiles enough to cover a 1m x 1m square 2 tiles x 2 tiles or alternatively a long thin 05m x 2m 1 tile x 4 tiles can also be used as lawn gravel edging or embellishment of potted plants can be used to cover a tired old patio or pre existing decked area