700mm Wide Dual Wing Expandable House: Specifications, Configuration, and Buyer’s Guide

A “700mm wide” dual wing expandable house should be treated as a product description to verify, not a complete specification. The 700 mm figure may refer to a folded transport dimension or another product measurement; only the supplier’s dimensioned drawing can confirm what it means. A dual wing design generally uses two folding sections that open from a central structure to create a larger usable interior, but the expanded dimensions, materials, utilities, and transport arrangement vary by model. Before ordering, confirm both the folded and expanded measurements, intended site use, and what is included in the quoted configuration.

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Key Takeaways

• Confirm what the stated 700 mm measures, and request folded and expanded dimensions in millimetres.
• Specify how the two wings will be used, including room layout, doors, windows, insulation, and utility requirements.
• Compare suppliers using drawings, material schedules, scope of supply, packing details, and written delivery terms.
• Ask Hongshun Guangju to review your project requirements and provide a configuration and quotation for evaluation.

Who This Guide Is For

This guide is for contractors, developers, project buyers, and distributors evaluating a dual wing expandable house for temporary or relocatable accommodation. It is also useful when a project needs a compact transport arrangement but more interior space at the destination. Buyers should use it as a specification and sourcing checklist, rather than as a substitute for project-specific engineering or local building approval.

Applications may include site offices, staff accommodation, temporary facilities, or other spaces where a modular building is appropriate. Suitability depends on local regulations, site conditions, occupancy needs, and the final product configuration. Confirm these points with your project team before procurement.

How a Dual Wing Expandable House Works

A dual wing expandable house is a modular structure designed to be transported in a more compact configuration and opened at the installation site. Its central section forms the core, while two wing sections fold or deploy to increase the available floor area. The exact opening method, connection details, and installation steps are model-specific, so request the supplier’s assembly instructions and drawings before planning site work.

The term “700mm wide” is not enough to establish the building’s complete transport envelope or interior size. Ask whether 700 mm refers to folded width, a component, or another measurement, and check it against a drawing that identifies all dimensions. For logistics planning, confirm folded length and height as well as width, and verify the expanded footprint separately.

Specifications and Configuration to Confirm

Dimensions and Layout

Request dimensioned drawings for both the folded and expanded configurations. The drawing should show the central section, the two wings, external dimensions, internal usable dimensions, door and window positions, and any steps or external platforms included in the design. Ask the supplier to state dimensions in millimetres and identify which measurements are nominal and which are manufacturing dimensions.

Do not assume that a 700 mm transport-width reference describes the opened building. Usable interior area depends on the complete layout, wall build-up, and placement of partitions and fittings. If the house must pass through a restricted access route, compare its full folded envelope with the route and handling equipment available at the site.

Frame, Panels, and Finishes

Request a material schedule that identifies the main frame material and section details, wall and roof panel construction, floor build-up, surface finishes, and corrosion-protection treatment if applicable. The schedule should distinguish standard components from optional upgrades. Where performance matters, ask for the relevant declared values or documentation instead of relying on general descriptions such as “heavy duty” or “weather resistant.”

Panel and finish choices should reflect the climate, expected occupancy, cleaning needs, and planned service life. A site with high temperature variation may require a different insulation and ventilation configuration from a short-term office in a mild climate. The supplier should clarify the limits of the proposed materials and whether any local finishing or sealing work is required after installation.

Doors, Windows, Utilities, and Interior Fit-Out

List the required doors, windows, internal partitions, lighting, electrical provisions, plumbing, sanitary fittings, and furniture before requesting a final price. State whether your project needs an empty shell, a partially fitted unit, or a complete interior configuration. Ask for a written scope that identifies which items are supplied, which are prepared for connection, and which must be installed locally.

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Utility details should be checked against the destination country and site. Confirm the intended electrical supply, connection points, water and drainage arrangements, and any heating or cooling provisions with the relevant project professionals. Do not assume that a standard package is compatible with local codes or available site services.

Buyer Selection Framework

Match the Configuration to the Application

Begin with the intended use, the number of occupants, expected duration of use, and required room functions. Then map those needs to the expanded floor plan, door locations, ventilation, storage, and utility provisions. A configuration that works as a basic site office may not meet the privacy, sanitation, or comfort requirements of staff accommodation.

Next, compare the building’s folded dimensions with the transport method and access conditions. Check route restrictions, unloading space, lifting or handling requirements, and the space needed to deploy both wings. Ask who is responsible for foundations, anchoring, assembly, utility connections, and final inspection, because these tasks may not be included in the supply price.

Compare Quotes on an Equal Basis

When evaluating quotations, use the same drawings and scope for each supplier. Compare frame and panel descriptions, included fittings, packaging, shipping terms, installation responsibilities, and documentation. A lower headline price may exclude items your project needs, while a more complete quote may bundle those items into the stated configuration.

Pricing, MOQ, and Lead Time

The price of an expandable house depends on its dimensions, structural and panel specifications, interior fit-out, order quantity, packaging, and delivery destination. There is no reliable way to compare offers using the product name alone. Request an itemized quotation that separates the base structure, selected options, packing, transport, and any installation or commissioning services.

Minimum order quantity and production lead time should be confirmed directly for the selected model and configuration. Ask when the quoted lead time begins, whether it includes customization, and what approvals or deposits are needed before production. For project scheduling, also allow time for drawing review, shipping, site preparation, and local connection work, as these activities may fall outside the supplier’s production period.

Supplier Evaluation Checklist

Documents and Communication

Ask potential suppliers for a dimensioned drawing, configuration list, material schedule, assembly guidance, packing information, and written commercial terms. Check that the documents describe the same model and options as the quotation. If a specification is unclear, request a written clarification rather than relying on an informal verbal explanation.

Assess how clearly the supplier handles project questions and revisions. A capable supplier should be able to discuss the requested configuration, identify information still needed, and explain what is and is not included. Hongshun Guangju can review your intended application, delivery destination, and preferred fit-out to prepare a product proposal for your assessment.

Common Purchasing Mistakes

• Assuming the 700 mm figure is the expanded interior width without checking the drawing.
• Comparing prices when suppliers have quoted different materials, fittings, or delivery scopes.
• Overlooking access, unloading, wing-deployment space, and site-preparation requirements.
• Leaving utility connections, local compliance checks, or installation responsibilities undefined.

Conclusion: Next Steps for Buyers

A 700mm wide dual wing expandable house can be a suitable modular option when its transport configuration and expanded layout meet the project’s requirements. The product name alone does not establish the full dimensions, construction specification, included fit-out, or delivery scope. Confirm the meaning of 700 mm and evaluate the complete unit using supplier drawings and a written scope of supply.

To move forward, prepare your intended use, occupancy needs, required layout, site and route constraints, utility requirements, destination, and target delivery schedule. Send those details to Hongshun Guangju and request a dimensioned proposal, itemized quotation, MOQ, lead time, and clarification of installation and shipping responsibilities. Review that information with your project team before placing an order.

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