portable wash room size 4’x 4’x 8′
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Ventilator 1’x 1′
Outside fiberglass sheet 2 mm
Inside fiberglass sheet 1.5 mm
In between insulation Thermo pore /poly ethylene foam
Frame made of sq. pipe 1”x1”x18 swg.
03 coat of paint over steel frame.
Indian WC or shower
Top roof size 4.5’x4.5’
Electrical wiring for Energy saver