I need some shelving in my garage for accumulated 'useful stuff'.
The space is 8' x 2' 8" and it can be fixed to the walls on one long and three short sides so I'm thinking of 3" x 2" timber framing with a vertical 3" x 2" mid support along the front. Is all that adequate, or heavier than need be?
The shelving will be chipboard. Is 12mm ok, or do I need to go to 18mm?