This expandable house with porch pairs a 20ft double-wing expandable module with a raised deck and railing structure. The reference module expands to 5900 × 6270 × 2480 mm and folds to 5900 × 2200 × 2480 mm.
Buyers can review the main module dimensions, porch framing, insulation, windows, door, and electrical configuration before confirming the final supply scope. Porch dimensions and the combined product weight should be confirmed in the project quotation and approved drawings.
A raised porch gives buyers an outdoor platform connected to the expandable house. For this reference configuration, the parameter sheet lists the deck framing and railing members below. Confirm the final platform size, finished height, access steps, and connection details against the approved drawings.
| Porch component | Reference member specification | Buyer confirmation |
|---|---|---|
| Deck perimeter beam | 80 × 40 × 1.5 mm | Confirm material, finish, connection, and project suitability. |
| Deck joists | 40 × 60 × 1.5 mm | Confirm spacing and final deck dimensions in the drawings. |
| Railing members | 40 × 40 × 1.2 mm and 40 × 20 × 1.2 mm | Confirm railing height, layout, and local requirements. |
| Porch posts | 60 × 40 × 1.5 mm | Confirm post locations and connection to the deck structure. |
| Platform size and access | Not specified in the parameter sheet | Confirm porch length, width, height, steps, and handrails. |
Buyers comparing an expandable prefab house with porch should confirm how the room plan works with the entrance, porch, windows, and daily circulation. The room layout should be selected for the intended occupancy and use.
The reference parameter sheet lists a steel security door and double-glazed uPVC casement windows as standard options. It lists six 930 × 930 mm windows and one 500 × 500 mm window; confirm their positions and whether they match the selected layout.
The reference 20ft module uses a galvanized steel frame and insulated sandwich panels. Buyers should confirm the panel core, thickness, density, surface finish, and any destination-specific fire or thermal requirements in the quotation.
| Component | Reference specification | Options or confirmation |
|---|---|---|
| Main frame | Q235B galvanized steel; main beam reference 80 × 100 × 2.5 mm | Confirm final structural drawing and member schedule. |
| Exterior side wall | 75 mm sandwich panel | EPS, PU, or rock-wool core options listed; confirm selected core and density. |
| Interior partition | 50 mm sandwich panel | Confirm layout, panel finish, and core material. |
| Main and side roof | 50 mm sandwich panel | Confirm roof configuration and destination requirements. |
| Floor | 18 mm cement board in the middle; 18 mm bamboo plywood on the sides | Confirm flooring finish and any project-specific upgrade. |
The reference electrical configuration uses a 6 mm² incoming cable, 4 mm² air-conditioner circuit, 2.5 mm² general socket circuit, and 1.5 mm² lighting circuit. The parameter sheet says the electrical system can be customized for destination-country requirements.
Confirm voltage, frequency, socket type, wiring, circuit protection, and any required certification before production. The listed configuration should not be assumed to meet every country's code without project review.
Confirm bedrooms, living area, partitions, kitchen, bathroom, and door and window positions.
Confirm deck size, railing, steps, finish, connection, and whether any canopy is included.
Confirm electrical standards, site conditions, transport, and applicable building requirements.
The 20ft module reference folded size is 5900 × 2200 × 2480 mm. Confirm the final shipping dimensions, packing arrangement, porch component packing, unloading equipment, and delivery scope for the order.
The expandable house with porch price depends on the selected module, porch dimensions and structure, railing and access, interior fit-out, electrical configuration, packing, and delivery destination. Request a project-specific quotation with the same specification when comparing suppliers.
For a custom expandable house with porch, share the destination country, intended use, quantity, preferred layout, porch size, railing and stair requirements, interior scope, and delivery location. Ask the supplier to state clearly whether the porch, installation, and shipping are included.
When comparing an expandable house manufacturer in China, request a current drawing, itemized specification, material details, porch and railing scope, packing information, and project-relevant inspection or compliance documents. Check that documents apply to the exact configuration being quoted.
Confirm the revision process for drawings, the inspection scope, what is packed with the unit, and who handles shipment, unloading, and installation. For a prefab cabin with porch or expandable guest house with porch, also confirm the intended occupancy and applicable local requirements.
See the 20 ft expandable container house collection for related expandable models, or contact YJDHouse with your layout and porch requirements.
The reference parameter sheet lists expanded dimensions of 5900 × 6270 × 2480 mm and internal dimensions of 5640 × 6110 × 2240 mm. Confirm these against the final product drawing.
The available parameter sheet lists porch framing member sizes but does not state the complete deck length, width, or finished height. Confirm those dimensions in the approved drawing.
The parameter sheet lists approximately 2500 kg for the 20ft expandable module but does not clarify whether the porch structure is included. Request the total shipping and installed weights for the quoted configuration.
Layout and selected porch options can be discussed for the project. Confirm availability, dimensions, materials, railing, steps, and scope of supply before approving the drawings.
Price depends on the expandable module, porch and railing configuration, interior specification, electrical options, packing, and delivery scope. Ask for an itemized quotation based on the approved specification.
