Posts 150x150 mm, Beam 120x120 mm, roof beams 50x150 mm, roof boards 18 mm thick, battens 45x70 mm, Walls Swedish Rabat black impregnated. 1 pc, single door with posts 120x120 mm passage 100 cm (left and right to use) Outdoor enclosure is delivered in a kit, cut to size with mounting material and manual. Roof boards and walls must be cut to the right size during assembly, during assembly storage can be placed on the left or right. The size 900x400cm is outside of eaves Size poles size see ske