Garden shed series palram skylight floor area 285 m width base dimensions 185 cm depth base dimensions 153 cm internal dimensions 170 5 x 148 cm firsthhe 217 cm eaves height 174 cm wall thickness 1 mm number of rooms 1 material plastic colour grey roof shape saddle apex roof roof thickness 09 mm roof area 28 m roof overhang front 5 cm roof overhang side 5 cm roof overhang rear 5 cm max snowload 75 knm door type double door n