Building block having interlocking formations

Building block or panel

Building block system

Building block with a wooden attachment layer

Building block with integral hand hold and method for making sam

Building block with reinforcement and/or positioning lugs and re

Building block with wave-shaped upper and lower support surfaces

Building block, method for making the same, and method for build

Building block, system and method

Building blocks

Building blocks

Building blocks and insulated composite walls having stackable h

Building blocks and their use

Building construction method and concrete panel for use therein

Building element and coupling-pin for interconnecting such eleme

Building element for making insulating panels and panels assembl

Building module and a method of constructing a wall from said mo

Building panel

Building panel

Building panel