EXTERNAL SIZE 12m (39'4") wide x 5.5m (18') deep (approx).
OVERALL INTERNAL SIZE 11.77m (38'7") wide x 5.27m (17'3") deep (approx).
WALLS 45mm Double Tongue & Groove Walls.
ROOF 19mm Tongue & Groove Roof Timbers to create a sturdy roof with attractive ceiling.
If you wish to use concrete, it is recommended that you take your log cabins size and add 100mm all the way round to calculate the size of the base required, for example: