Are the measurements internal or external?

The measurements are all external and dimensions are taken from the full length of timber, end to end. These measurements do not take into account any overhang dependent on your chosen building . For example, if a Room is listed as 4m x 3m and has an overhang of 0.5m its birds-eye measurements would be 4.5m x 3m. (Overhangs are stated on all  profiles where applicable) We can provide drawings upon request.

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