The base is placed in position on the ground and two or three uprights are used as abutments for the first raising operation of the uprights. The gable ends are mounted on the uprights, and then the panels are fixed in position. The roof caissons rest on the trusses. The garage unit consists of wooden uprights with rafters. The supporting upright used for lifting near the terrace is fixed thirty centimetres inwards. When the units are raised, the upright and the wall-plate are positioned, and the supporting uprights then removed from them. The structure is braced by the framework and inside perimeter walls. Outer walls are stapled to the supporting uprights, the gable uprights and the garage unit.
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