Australian 20ft 37m² standard granny flat
Doors, windows, layout and size can be customized. The most popular granny apartment in Australia, container house
| Structure | Main profiles | Main 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 connections | M10*100 high tensile bolts, 4 bolts for each corner piece | |
| Surface Finishing | Galvanised base material with powder coating. | |
| Wallboard | Polystyrene core | Colour 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. |
| Roof | Roof waterproofing | Colour white-grey, structural adhesive waterproof |
| Insulation layer | Glass wool felt insulation, 75mm thick, aluminium foil on one side, capacity 12kg/m³, combustion performance is class A non-combustible. | |
| Decorative layer | 20 strip ceiling panel, 0.3 mm, colour white-grey | |
| Floor | Structural board | Building formwork on both wings, cement fibreboard in the middle body box, all 18mm thick. |
| Floor treatment | 2.0mm thick eco-friendly PVC flooring | |
| Door | Entry door | Steel door, size 860*2100mm |
| Bedroom door | Steel set of doors (white grey) 2 sets, size W970mm×H1970mm, stainless steel fireproof locks | |
| integrated bathroom | customisation | |
| Window | External window | 60 series plastic steel sliding window, 4+9+4mm thick insulating glass with screen, size: W920×h920mm; 4 sets |
| Electronic | Light | LED round light x 5 sets. |
| Sockets, switches | 10A five-hole socket × 8, 16A air-conditioning socket × 3, single-button switch × 3, weak power × 1 | |
| Distribution boxes, connectors | Concealed distribution box 32A×2pcs; Industrial plug 220V,50Hz,3P32A×1pc | |
| Wiring | Entry 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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