A prefab triangle house is a factory-built A-frame cabin that arrives on site as a complete, fully finished unit — with structure, exterior cladding, windows, doors, insulation, interior finishes, bathroom fixtures, electrical wiring and plumbing all installed and tested at the factory before shipment. The A-frame design, named for the letter “A” formed by the two steeply sloping roof planes meeting at a central ridge, creates a distinctive triangular silhouette that serves as both structure and enclosure, and it has been used for decades as a vacation and retreat structure because its simple geometry creates a spacious, light-filled interior with minimal structural complexity.
The triangular wooden house is used primarily as a vacation homestay, forest camp accommodation, landscape villa, outdoor leisure station or personal retreat, and its steep roof sheds rain and snow efficiently while the large windows maximize natural light and panoramic views.
Prefab Triangle House Technical Specifications:
| Triangle Shape House Specification | ||
| Profile | L*H*W(mm) | 4000*4000*5000/4000*5000*5000(External dimensions) |
| Roof Type | Pitched roof with natural drainage system. | |
| Number of Floors | One Floor/Two floor | |
| Building Area | Totally 38.8m2. The first floor is 24m2 and the second floor is 12.8m2. | |
| Parameters | Designing Life-span | 20years |
| Floor loading | 2.0KN/square meter | |
| Roof loading | 0.5KN/square meter | |
| Wind Loading | 0.45KN/square meter | |
| Snow Loading | 0.5KN/square meter | |
| Roof Frame | Roof Main Beam | Size: 100*100*3mm, galvanized square steel pipe, t=3.0mm, steel profile Q235 |
| Roof purlin | Size: 50*100*2mm, galvanized C-shape steel, t=2.0mm, steel profile Q235 | |
| Floor Frame | Floor Main Beam | Size: 100*100*3mm, galvanized square steel pipe, t=3.0mm, steel profile Q235 |
| Floor purlin | Size: 50*100*2mm, galvanized C-shape steel, t=2.0mm, steel profile Q235 | |
| Roof Decoration | Metal carved board (external) | 75mm thickness(including insulation), brick gray color, standard brick grain. |
| Multi-layer board base plate (internal) | 12 mm-thick plywood, fixed on the roof frame. | |
| Bamboo and wood fiberboard (ceiling board) | 9mm thickness with yellow wood grain color. | |
| Floor Decoration | Cement board | 18mm thickness |
| Floor Moisture-proof pad | Moisture-proof pad(Only on the ground floor) | |
| SPC stone plastic flooring plate | 4mm thickness | |
What Makes the YG Prefab Triangle House Different?
The YG triangular tiny house is built around one idea: a cabin that looks iconic and performs reliably in real-world conditions.
- Steel frame, not wood. Where traditional A-frame cabins rely on timber framing that can warp, rot, or attract pests, the YG series uses a galvanized Q235 steel frame. The main beams are 100×100×3mm square steel tubing, and the purlins are 50×100×2mm C-section steel. This steel skeleton does not shrink, does not rot, and does not burn like timber framing.
- Designed for all climates. The steep pitched roof sheds snow and rain efficiently. The structure is rated for snow loading of 0.5KN/m², wind loading of 0.45KN/m², and floor loading of 2.0KN/m². This makes the cabin suitable for mountain regions, coastal areas, and everything in between.
- Insulated for year-round comfort. The 75mm external metal carved board includes built-in insulation. The interior is finished with 9mm bamboo and wood fiberboard for the ceiling and 18mm cement board for the floor. A moisture-proof pad on the ground floor and 4mm SPC stone plastic flooring complete the thermal envelope.
- Factory precision, on-site speed. All components are manufactured and pre-cut at the factory. On-site assembly takes days, not weeks or months. No weather delays. No material waste. No surprises.
Standard Configuration of Triangle Cabin House
| Category | Material | Specification |
| Main Frame | Galvanized square steel pipe | 4×8, Q235 steel |
| Sub Frame | Galvanized square steel pipe | 4×4, Q235 steel |
| Roof Main Beam | Galvanized square steel pipe | 100×100×3mm |
| Roof Purlin | Galvanized C-shape steel | 50×100×2mm |
| Floor Main Beam | Galvanized square steel pipe | 100×100×3mm |
| Floor Purlin | Galvanized C-shape steel | 50×100×2mm |
| Roof Ridge Beam | Angle iron | 5×5 |
| Columns | Galvanized square steel pipe | 4×8 |
| Sub Columns | Galvanized square steel pipe | 4×4 |
| Exterior Cladding | Corrugated metal sheet | Standard brick grain finish |
| Glass | Low-E tempered glass | Standard configuration |
| Windows & Doors | Bridge-cut aluminum alloy | Thermal break |
| Ceiling Board | Bamboo wood fiberboard | 9mm, yellow wood grain |
| Floor Base | Cement board | 18mm |
| Floor Finish | SPC stone plastic flooring | 4mm |
| Moisture Barrier | Moisture-proof pad | Ground floor only |
| Wall Insulation | Polyurethane | Standard configuration |
| Interior Wall Finish | Bamboo wood fiberboard | Color options available |
Optional Furnishings and Finishes
- Lighting. Two decorative pendant lights, one floral lamp, one floor lamp.
- Furniture. One sofa, two beds, two bedside tables, one TV cabinet, one wet bar cabinet.
- Appliances. One 2P wall-mounted air conditioning unit.
- Accessories. Carpet, floor mats, bathroom accessories, TV cabinet decor.
- Window Treatments. Diamond gauze curtains plus cotton and linen blend sheers.
- Decking. Wood-plastic composite decking (color optional).
- Interior Finishes. Bamboo wood fiberboard (color optional). Bathroom walls and ceiling in bamboo wood fiberboard (color optional). Bathroom floor in stone plastic flooring.
YG Prefab Triangle House Delivered to Spain
The Customer: A hospitality operator in Spain developing an eco-tourism retreat. The property already had several accommodation units and the operator wanted to add a distinctive structure that would attract guests looking for a unique stay.
The Challenge: The operator needed a structure that would stand out on booking platforms—something visually striking that would generate bookings. The building had to be delivered quickly and assembled without disrupting the existing operations. It also needed to withstand the local climate, including occasional winter rainfall and wind.
The Solution: The operator chose the YG prefab triangle house in the 4000×5000×5000mm configuration. The steel frame eliminated concerns about timber warping or insect damage. The 75mm insulated panel system ensured year-round comfort for guests, and the large glass facade provided the panoramic views that guests expect from a premium eco-retreat.
The Outcome: The triangle cabin house was delivered as a complete kit and assembled on site. The operator reported that the distinctive A-frame design generated immediate interest on booking platforms, with the cabin booked solid for its first three months of operation.
Customer Feedback: “The triangular wooden house has become our most requested unit. Guests book it for the design and keep coming back for the comfort. The steel frame gives us peace of mind, and the assembly was fast. We are already planning to add a second unit.”
Prefab Triangle House For Sale
Tell us about your site — climate, foundation type, intended use — and we will configure the right unit with the interior colors, optional packages and deck finish that match your project. Direct factory pricing, no middleman. Frame components, panels, fixtures and wear parts stay in stock for ongoing support, and our technical team backs every unit from delivery through installation. Get a free quote for your triangular tiny house today.
