Prefab Space Capsule Houses — Modular Living Pods for Resorts and Scenic Sites

A space capsule house is what happens when a steel structure company applies its frame engineering to hospitality: a self-contained living pod that arrives on a truck, lifts off in minutes, and opens to guests the same day. Built on a welded Q355B steel frame with 70 mm insulated composite walls, the capsule gives a scenic site, campsite or resort a permanent, year-round guest unit — with the plumbing, HVAC, smart controls and finishes already installed at the factory — without the months and site wreckage of conventional construction.

26.4m²
Usable Floor Area
6.5t
Total Weight
30yr
Design Life
4h
On-Site Installation
1999
Engineering Since
Product Overview

A Hotel Room That Drives Itself to the Site

The capsule is engineered as a transportable unit first and a building second — the sequence that decides its shape, weight and structure.

The starting point is logistics: a capsule must travel on a standard flatbed (road height limits and container-width conventions drive the 3.3 m width), arrive intact after a thousand-kilometre highway journey, and lift onto prepared foundations with a mobile crane. That requirement shapes everything. The welded Q355B steel frame — 100×100×4.0 mm square tubes at 1.0 m spacing, welded into a rigid box — is the skeleton that survives transport and resists the lifting forces at the four corner pick points. The composite wall panels are structural infill, not cladding hung on a former; the floor is a steel tray with insulated subfloor; and all finishes, services and glazing are installed and tested before the unit leaves the shop.

The overseas life of these pods — many of our modular units travel to resort projects abroad — follows the same discipline Permanent Steel applies to its long-span structures: fabrication tolerance, test assembly, corrosion protection and documentation. The frame is hot-dip galvanized (Z275) and coated to ISO 12944 category C3, which is the difference between a capsule that still reads as new after a decade of coastal-season operation and one that starts bleeding rust at the welds in year three. With the envelope's 70 mm composite walls and double glazing, the pod holds its interior climate against the site's conditions with modest HVAC — the engineering that makes a winter-season scenic site viable, not just summer pop-up accommodation.

Capsules arrive as finished guest units, tested at the factory with water and power, numbered and documented, and lift onto their four 500×500×500 mm pad foundations in under four hours. For an operator, the business case is the schedule: instead of six months of foundations, framing, trades and weather risk, the units are revenue-ready the week they arrive, and relocatable if the site's plan changes. For a 100-pod resort or a two-unit hillside retreat, the engineering behind each unit — frame, insulation, glazing, services — is identical, because quality in a modular product is set at the plant, not improvised per site.

Specifications

Standard Capsule Specification

One standard platform, with interior configuration and facade finish varied per project.

System Specification
Overall dimensions L8,000 × W3,300 × H3,000 mm — floor area 26.4 m², total weight 6.5 t
Main steel frame Q355B welded square tube 100×100×4.0 mm at 1.0 m spacing; hot-dip galvanized Z275
External walls Glass-fiber reinforced polyurethane composite panel, 70 mm; core thermal conductivity ≤0.024 W/m·K
Roof system Aluminum standing-seam roofing with PVDF coating; wind uplift resistance ≥4.0 kPa
Windows & doors Thermally broken aluminum frames, double glazing 5+12A+5 mm; U-value ≤1.8 W/m²·K

The table is the standard platform; the configuration list below shows what is already inside it before delivery — engineered systems, not site-supplied 'left to fit' items.

Configuration

Six Systems Installed at the Factory

Everything a guest needs and an operator must maintain, built and tested before transport.

Structural Steel Frame

Q355B welded square-tube frame, hot-dip galvanized Z275 and coated to ISO 12944 C3 — the corrosion package that carries the 30-year design life statement, verified on the sample test plates of every production batch.

Insulated Envelope

70 mm glass-fiber reinforced PU composite walls with an overall U-value ≤0.35 W/m²·K and the roof and floor following the same thermal discipline — the difference between a capsule usable in winter and a glorified tent.

Smart Glazing

Electrically switchable (PDLC) privacy glass at the viewing wall — one switch turns the panorama transparent or frosted — with sound insulation ≥35 dB so the hilltop quiet is not the road's noise.

HVAC & Fresh Air

1.5 HP split air conditioning plus a fresh-air ventilation system delivering 2–3 air changes per hour — sized so the pod holds comfort while the doors cycle, without the condensation that kills sealed modular units.

Plumbing Systems

Integrated bathroom module with water supply and drainage in PPR pipe (φ20/φ25 mm), grey-water routing and capped clean-out points — the systems that decide whether a pod can actually run off-grid or hook to mains.

Electrical & Smart Control

220 V/50 Hz distribution board, smart lighting and climate control with app/panel operation, and a reserved photovoltaic interface so the operator can add solar without re-engineering the pod's electrical system.

Applications

Where Capsule Units Earn Their Keep

Scenic

Scenic Site Guesthouses

Mountain, lakeside and forest accommodation where building permissions, site access and seasons rule out conventional construction — the pod arrives pre-built and lifts onto prepared pads in a day.

Camping

Camping & Glamping Sites

Year-round glamping units that upgrade a campsite's winter revenue: insulated, serviced and heated, they convert seasonal tent revenue into a 12-month accommodation product.

Resort

Resort Villas & Suites

Multiple pods composed into villa clusters — identical factory quality, varied site arrangement — giving a resort rapid room expansion without losing its architectural character.

Rooftop

Rooftop & Urban Additions

Rooftop guest rooms, offices and lounges on existing buildings where the lightweight 6.5 t pod — distributed on four pads — adds floor area without new foundation work or structural upheaval below.

Staff

Site & Worker Accommodation

Relocatable living quarters for remote operations, energy and mining sites — the same insulated, serviced unit that works as a hotel room also works as a worker's dwelling in an isolated camp.

Event

Event & Temporary Hospitality

Short-notice hospitality for events, film sets and exhibition sites — units delivered, positioned and commissioned in days, then relocated when the event ends, retaining value as reusable assets.

Installation

From Truck to Turnkey in Half a Day

Installation is deliberately boring — that is the point. The site work is four pad foundations (500×500×500 mm concrete blocks at the corners), the truck arrival, and a single crane lift. The pod is fitted with four lifting points coordinated with its centre of gravity, so the lift is level and controlled; the crane positions the unit on the pads, the leveling screws are adjusted to the bubble, and the hook releases. Water and power connections are made at the service panel under the floor line, the pod is leveled and anchored, and the operator receives the completed unit — commissioned, tested and handed over, typically within 4 hours of the crane arriving.

Because the pod is designed as a transport load as much as a building, the site does not need a construction crew: the operator's own staff can prepare the pads with a local contractor and be ready for the delivery. The unit's 6.5 t weight suits standard mobile cranes and the dimensions suit standard flatbed transport — the logistics that let an overseas buyer receive capsules container-seaworthy or road-freighted, with the frame's hot-dip galvanizing protecting the structure through the sea-air transit it will survive before ever meeting a guest.

For ops teams the maintenance story is equally structured: a documented service schedule covering the HVAC filters, the PV interface, the plumbing clean-outs and the coating touch-up points, with the same manufacturing documentation discipline we apply to structural steel projects — because a capsule that performs for 30 years is a product of its coatings, gaskets and commissioning records, not of luck.

Planning a Resort, Campsite or Scenic-Site Project?

Tell us the unit count, the site's climate and access, and the interior layout you need (standard bedroom, family, loft or duplex configuration). We return specifications, layout drawings, logistics notes and a quotation — with factory test certificates for each unit that ships.

Email: market@permanentsteelstructure.com  |  WhatsApp: +86 18621689980  |  Phone: +86 516-83269982