Building panel

A wall comprising adjacent panels, each panel comprising a rectangular frame having two faces covered in board, one of said faces being covered in a water resistant board, the frame having top and bottom rails which are joined together by a plurality of spaced apart wood composite I beams extending therebetween, two of said I beams forming the sides of the frame and having recessed sides facing outwardly of the panel, with the space between the boards being filled with thermal insulation, wherein the recessed sides of said two I beams are provided with shouldered dowels longitudinally spaced along said I beams and secured thereto, the dowels in use for fixing a linking post to panel, said adjacent panels being linked together by posts accommodated within the recessed sides of the I beams, the post having a box section that comprising plywood sidewalls and central cavity filled with a rigid cellular material.

An internal wall or portition for a building comprises adjacent building panels, each panel comprising a rectangular frame having two faces covered in board, one of said faces being covered in a water resistant board, the frame having top and bottom rails which are joined together by a plurality of spaced apart wood composite I beams extending therebetween, two of said I beams forming the sides of the frame and having recessed sides facing outwardly of the panel, with the space between the board faces being filled with thermal insulation, adjacent panels being linked together by posts having side portions which are engagable within the recessed sides of the I beams, the posts being formed with longitudinal tongues which are a slide fit within the recessed sides of the I beams, and the outwardly facing recessed sides of said two I beams being provided with locking means therein longitudinally spaced along said I beams for locking the posts to the panels.