700 Double Wing Expandable Container House: Specifications, Layout, and Installation Guide

A 700 Double Wing Expandable Container House is a transportable modular building whose side sections unfold from a central unit to create a wider usable interior. The “700” designation should be treated as a model or product name—not as a verified length, floor area, or capacity—unless the supplier’s drawing confirms its meaning. For a project decision, request the closed and expanded dimensions, structural and material specifications, utility plan, packing details, and installation requirements in writing. This guide explains how to assess those details, plan a practical layout, and prepare for installation before placing an order.

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Who This Guide Is For

This guide is intended for contractors, project developers, accommodation operators, distributors, and other B2B buyers considering expandable modular space. It is useful when comparing supplier quotations or checking whether a proposed unit can meet a site’s access, occupancy, and service requirements. Buyers should review the information with their local design, construction, and permitting teams because requirements vary by location and intended use. Product drawings and confirmed specifications should take priority over a general description.

How a Double Wing Expandable House Works

The unit is transported in a compact configuration, then its side wings are opened and secured at the destination. The expanded arrangement can provide more usable floor space than the shipping configuration, but the actual gain depends on the model’s dimensions and design. Connections, supports, bracing, and weather-sealing details are product-specific and should be shown in the supplier’s installation documentation. Buyers should not assume that every expandable unit uses the same opening method or requires the same equipment.

Specifications to Confirm Before Ordering

Ask for a specification sheet that distinguishes confirmed product data from options and project assumptions. At a minimum, check the external dimensions in both transport and expanded configurations, internal clear dimensions, total weight, floor build-up, wall and roof construction, door and window locations, and the number of rooms. Also confirm the electrical and plumbing provisions, insulation options, finish choices, and any stated design loads. If a value is not documented, request written confirmation rather than relying on a verbal estimate.

Structure: Request details of the main frame, wing connections, floor support, and corrosion-protection finish.
Envelope: Confirm wall, roof, and floor materials, insulation configuration, and how joints are sealed after expansion.
Openings: Check door and window sizes, positions, hardware, and whether their locations can be customized.
Services: Identify what is included for lighting, wiring, outlets, water, drainage, heating, or cooling.
Transport: Confirm shipping dimensions, gross weight, lifting points, and loading or unloading responsibilities.

Materials and Configuration Options

Expandable houses may be offered with different frame finishes, wall panels, insulation packages, interior finishes, doors, windows, and service arrangements. The available options should be verified for the specific 700 model rather than inferred from photographs or another product range. Ask whether quoted materials are standard or optional, and request product descriptions that identify the construction layers. For demanding climates or frequent use, have the supplier explain how the proposed envelope and joints address the project’s temperature, moisture, and maintenance requirements.

Choosing a Layout for the Intended Use

Start with the activities the building must support, then map people, furniture, storage, doors, windows, and service points. A layout for temporary site offices may prioritize desks, circulation, and power outlets, while accommodation may require sleeping areas, privacy, and sanitary facilities. A reception or sales space may need a clear entrance zone and visibility across the room. Confirm the usable internal dimensions on a drawing; external dimensions alone do not show how much clear floor area remains after walls and finishes are installed.

Practical Layout Checks

For early planning, buyers can use a 900 mm clear walkway as a preliminary circulation target, then verify accessibility and local code requirements with their design team. Allow about 1.0 m of working clearance in front of equipment or service panels where maintenance access is needed, subject to the equipment manufacturer’s instructions. These figures are planning references, not guaranteed dimensions of the house or universal code requirements. Confirm furniture sizes and door swings on a scaled plan before approving the layout.

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Place frequently used entrances where they connect naturally to paths, parking, or work areas.
Keep circulation routes clear of furniture, stored materials, and door swings.
Coordinate electrical outlets and lighting with actual desk, bed, or equipment positions.
Review wet-area locations early because plumbing routes can affect the layout and site connections.
Check window placement for privacy, daylight, and the intended furniture arrangement.

Installation Guide: From Site Preparation to Handover

Installation planning begins before delivery, not when the unit arrives. The buyer and supplier should agree who is responsible for site preparation, transport coordination, lifting equipment, assembly, utility connections, and final inspection. A suitable site must provide stable support and adequate access for the delivery vehicle and any lifting operation. The required foundation or support arrangement depends on the product design, ground conditions, local rules, and project loads, so obtain project-specific guidance before construction begins.

Step-by-Step Preparation

Confirm the site: Check access routes, overhead obstructions, ground conditions, drainage, and space for installation activities.
Approve drawings: Review the transport and expanded dimensions, support points, layout, openings, and utility connection locations.
Prepare foundations or supports: Follow the supplier’s drawings and obtain local engineering or permitting review where required.
Coordinate delivery and lifting: Verify the packaged weight, lifting points, equipment capacity, and a safe lifting plan with qualified personnel.
Expand and secure the unit: Follow the model-specific sequence for opening the wings, fitting connections, and installing supports or bracing.
Inspect and connect: Check alignment, fasteners, seals, doors, windows, and finishes, then arrange qualified utility connections and functional checks.

Do not use a generic installation sequence in place of the manual for the purchased model. The opening mechanism, temporary supports, fastening points, and required tools may differ between products. Electrical and plumbing work should be completed or checked by appropriately qualified professionals under applicable local requirements. Record any delivery damage or missing items before the unit is put into service.

Selection Framework for B2B Buyers

Evaluate the unit against project requirements rather than choosing on model name or appearance alone. Compare the expanded usable area, planned occupancy, climate exposure, expected frequency of relocation, utility needs, transport constraints, and service access. Request a drawing and a line-item quotation that separates the base unit from options, packing, delivery, installation, and utility work. This helps reveal scope differences between suppliers and reduces the risk of comparing unlike proposals.

Price, MOQ, and Lead Time

Price depends on the confirmed specification, customization, order quantity, packaging, delivery destination, and the division of installation responsibilities. Minimum order quantity and production lead time should be requested directly from the supplier for the selected configuration and current schedule. Ask whether the quoted lead time starts after drawing approval, deposit, or another defined milestone, and clarify how changes affect it. Buyers should also confirm payment terms, warranty scope, spare-parts availability, and the process for addressing quality concerns.

Supplier Evaluation Checklist

Can the supplier provide dimensioned transport and expanded drawings for the quoted model?
Are materials, included equipment, optional upgrades, and exclusions clearly listed?
Does the supplier provide model-specific packing, lifting, and installation instructions?
Are delivery scope, lead-time assumptions, MOQ, and after-sales responsibilities documented?
Can the supplier explain how customization affects price, drawings, and production scheduling?

Common Mistakes and Ways to Reduce Risk

A frequent mistake is treating “700” as a dimensional specification without checking the manufacturer’s drawing. Another is planning furniture against the outside footprint instead of the finished interior, which can leave insufficient circulation or service access. Buyers also risk overlooking site access, lifting requirements, drainage, or local approval needs until after production. Reduce these risks by approving a coordinated drawing, confirming responsibilities in the purchase documents, and checking that the site is ready before dispatch.

Key Takeaways and Next Steps

A 700 Double Wing Expandable Container House can be a practical modular option when the transport configuration, expanded layout, site conditions, and installation scope fit the project. The model name alone does not establish dimensions or performance, so use supplier drawings and written specifications as the basis for evaluation. Before requesting a final quotation, prepare your intended use, target layout, delivery location, utility needs, and customization list. Hongshun Guangju can discuss project requirements and provide product information for evaluation; share your preferred configuration and site details to begin a focused B2B inquiry.