37m²20ft expandable container house from China for granny flat

The most popular expandable container house in Australia, does not contain asbestos, water and electricity meet Australian standards, is anti-corrosion and rust-proof, and is suitable for use as a granny apartment

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20ft expandable container house layout

20ft one bedroom container layout 20ft 2 bedroom container layout

StructureMain profilesMain beam 80*100*2.5mm, section height 140mm; secondary beam opening 40*40*1.2mm
Side top P-tube + 40*80 square tube
Main beam 80*100*2.5mm, secondary beam mouth 60*40*1.5mm
Main beam opening 80*60*2.0mm, secondary beam opening 60*40*1.5mm
Column:105*150*2.0mm
Structural connectionsM10*100 high tensile bolts, 4 bolts for each corner piece
Surface FinishingGalvanised base material with powder coating.
WallboardPolystyrene coreColour steel composite board 75mm thick; double-sided pure flat, board core thermal insulation polystyrene board, capacity 12-14kg/m³, combustion performance for A-class non-combustible; surface coating steel plate thickness inside and outside 0.3mm.
RoofRoof waterproofingColour white-grey, structural adhesive waterproof
Insulation layerGlass wool felt insulation, 75mm thick, aluminium foil on one side, capacity 12kg/m³, combustion performance is class A non-combustible.
Decorative layer20 strip ceiling panel, 0.3 mm, colour white-grey
FloorStructural boardBuilding formwork on both wings, cement fibreboard in the middle body box, all 18mm thick.
Floor treatment2.0mm thick eco-friendly PVC flooring
DoorEntry doorSteel door, size 860*2100mm
Bedroom doorSteel set of doors (white grey) 2 sets, size W970mm×H1970mm, stainless steel fireproof locks
integrated bathroomcustomisation
WindowExternal window60 series plastic steel sliding window, 4+9+4mm thick insulating glass with screen, size: W920×h920mm; 4 sets
ElectronicLightLED round light x 5 sets.
Sockets, switches10A five-hole socket × 8, 16A air-conditioning socket × 3, single-button switch × 3, weak power × 1
Distribution boxes, connectorsConcealed distribution box 32A×2pcs; Industrial plug 220V,50Hz,3P32A×1pc
WiringEntry line: 2*6 square + 1*1.5 square, air-conditioning socket: 2*4 square + 1*1.5 square, five-hole socket: 2*2.5 square + 1*1.5 square, lighting: 2*1.5 square, all with casing

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