A1 basekit� timber frame base system the a1 basekit�timber frame base is a rectangular pressure-treated timber pin-base frame system which is low cost, simple, fast and effective.the a1 basekit is only available as an optional extra for tgb and a1 sheds, and cannot be delivered separately, however if you choose us to assemble your shed then we'll assemble and install the a1 basekit for you. Bases & sub frames. written by robin - expert in garden buildings for 39 years. it is always nice to get a new timber shed, garden workshop, playhouse, solar potting shed or summer building in your garden but you do need a solid base for them to sit on to ensure you get the best life out of the building.. Timber frame gambrel storage shed 12 x 16 plans for large shed timber frame gambrel storage shed 12 x 16 how to build a wooden workshop diy shade house 8 by 10 shed plans and material list design a shade garden secondly just make sure find out where all utilities are found before beginning any growth..
