What Are the Primary Materials Used in Capsule Houses?

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Capsule houses are revolutionizing the way we think about living spaces—offering a compact, sustainable, and efficient solution for modern living. But what exactly makes these tiny homes not only functional, but also comfortable and safe?

It all comes down to five primary materials: galvanized steel for the core frame, fluorocarbon‑coated aluminum alloy for the exterior shell, eco‑friendly polyurethane insulation, tempered glass for windows and skylights, and painted stainless steel doors. Each plays a vital role in performance, durability, and aesthetics.

In this article, we’ll explore the five primary materials that define the performance, durability, and aesthetics of capsule houses. So, discover how each material enhances your living experience from comfort to design.

1) Galvanized Steel (Core Structural Framing)

 

Galvanized steel is a plain steel that is covered with a thin layer of zinc. This layer of zinc is added by a process called hot dip galvanizing, in which the steel is dipped in hot molten zinc. 



→ Role in Capsule Houses

In a space capsule house, the main frame is made of galvanized steel. Picture it as a skeleton that is used to hold things together. This frame sustains the house’s weight which keeps it stable and safe. 

 

Furthermore, it balances the entire structure even during any wind, shaking or movement. Moreover, it is perfect for outdoor usage in any kind of weather due to its rust-resistant surface. Be it in the forest, city or near the ocean, this material always keeps your capsule house standing strong. 

→ Advantages

+ Long-Lasting Protection: The zinc coating has put off rust for a long period of time which means no worries for weather damage or repairs.

 

+ Extreme Shock Resistance: It does well in absorbing shock which improves safety and durability under different conditions.

 

+ Minimal Maintenance: Additionally, this frame will require less time and money to repair. Thus, less maintenance is needed to keep the material in good condition.



2) Fluorocarbon-Coated Aluminum Alloy (Exterior Cladding and Modular Shell)

Aluminium alloy refers to the combination of aluminium with constituents such as magnesium or silicon, which makes it a lightweight metal. To guard against corrosion, a polyvinylidene fluoride (PVDF) fluorocarbon coating is applied to the surface. This coating establishes a chemical bond that is extremely resistant to ultraviolet radiation, acid rain, and salt spray.

→ Role in Capsule Houses

Your modular home has its outer shell made primarily out of this particular material. It offers a smooth, protective layer which provides a barrier against sun, wind, and rain. Even after years of exposure, you’ll see how it maintains its clean, modern appearance.

 

Moreover, the lightweight nature of the material—approximately one-third that of steel—reduces structural load. This is advantageous for transporting and installing your capsule house in remote or difficult-to-access locations.

→ Advantages

+ Superb UV and Weather Resistance: Fluorocarbon coatings sustain 30 years of uninterrupted sun exposure without any vivid colour loss or scratching, which guarantees protection for your capsule house.

 

+ Exceptional Strength to Weight Ratio: An aluminium alloy has a density of only 2.7g per cubic centimetre, but it is also able to withstand harsh wind and impact. This ratio is ideal for mobile units.

 

+ Convenient to Transport and Assemble: Moreover, due to its low weight, the material allows your home to be assembled on location quicker and easier with fewer tools.

3) Eco-Friendly Polyurethane Insulation (Interior Walls and Roofing)

+ Superb UV and Weather Resistance: Fluorocarbon coatings sustain 30 years of uninterrupted sun exposure without any vivid colour loss or scratching, which guarantees protection for your capsule house.

+ Exceptional Strength to Weight Ratio: An aluminium alloy has a density of only 2.7g per cubic centimetre, but it is also able to withstand harsh wind and impact. This ratio is ideal for mobile units.

+ Convenient to Transport and Assemble: Moreover, due to its low weight, the material allows your home to be assembled on location quicker and easier with fewer tools.

 

→ Role in Capsule Houses

Using Polyurethane material the insnulation is positioned within the walls and apex of your capsule house. Its primary purpose is to keep the temperature indoors stable. The foam works so that regardless of whether it is hot or cold outside, the living space will always be just right.

→ Advantages

+ High Thermal Efficiency: With a thermal conductivity of as low as 0.022 W/m·K, this insulation is excellent at blocking heat flow. Moreover, the occupants will enjoy a lower cost on their heating and cooling bills.

 

+ Thickened Design for Better Comfort: Polyurethane remains a preferred choice in capsule houses due to the 50mm to 100mm thick layers used, ensuring optimum warmth during winter and coolness during summer months.

 

+ Controls Moisture: Additionally, the foam insulation aids in achieving a drier home by restricting the entry of moisture, keeping the interior comfortable and dry. This is critical for small spaces where humidity can build up quite quickly.

 

+ Eco-Friendly: Various types now use recycled materials or plant-based oils. These options decrease your carbon footprint and protect Earth’s resources.

 

4) Tempered Glass (Windows & Skylight)

Tempered glass undergoes a heating process to above 600°C which is subsequently followed by rapid cooling. During this process, glass is strengthened up to five times more than its regular form. Furthermore, tempered glass can be shattered safely as it breaks into small blunt pieces instead of sharp shards which reduces the hazards posed to your loved ones. 

→ Role in Capsule Houses

 

In capsule houses, tempered glass is incorporated into the laminated skylights and triple-pane windows. It helps regulate the natural sunlight that streams into a capsule house, preventing excess heat and cold so that the interior can be comfortably cosy. Additionally, the glass windows contribute to the fresh daylight that enters which helps save energy. 

As capsule houses are compact spaces, incorporating pieces of glass into the structure makes it feel spacious and connected to the outside world. This is especially useful for the pods as they want to induce a greater feeling of height and spaciousness within a room. 

 

→ Advantages

+ Safety First: Tempered glass does not pose a safety hazard as it is 4-5 thicker than normal glass. In the situation that it does shatter, it can be broken into blunt fragments rendering it safe to children and pets. 

 

+ Energy Efficiency: Furthermore, the advanced construction of tempered triple-pane and laminated glass also provides stronger thermal insulation improving energy efficiency.

 

+ Sound Cancellation: Moreover, the outside noise will be muted by multiple glass layers, granting you a calm atmosphere even if your capsule home is located near a road or city.

 

+ Reduced Costs with Improved Light Quality: When wooden blinds are fully or partially opened, they enhance the amount of natural light flowing in the house, enabling residents to reduce their energy consumption.

 

+ Improvement of Aesthetics and Spaciousness: Lastly, keep in mind that modern buildings are characterized by their sleek and uncluttered look, which glass windows and skylights effortlessly provide. 

5) Painted Stainless Steel (Entrance Door)

Stainless steel is a form of metal alloy that contains a minimum of 10.5% chromium allowing for rust and corrosion resistance. Thus, painting the surface adds an extra layer of protection as well as a sleek finish. 



→ Role in Capsule Houses

Within a capsule house, the door that is adjustable is bound to have some attributes of painted stainless steel, hinged at the top and bottom. This ensures quick and easy access in and out of the unit while also providing protection from wind, rain, and sunlight. 

 

→ Advantages

 

+ Rust Resistance: Painted stainless steel provides complete protection from corrosion even when in warm or coastal areas. This means maintenance on the door can be postponed for 10 to 15 years.  

 

+ Weatherproof and Durable: The painted layer contributes significantly to the thorough resistance to UV radiation, moisture, and scratches. Thus preserving the door’s appearance for years despite exposure.  

 

+ Stylish Appearance: Furthermore, the smooth paint finish has a wide array of colours and textures which simultaneously allows the capsule to look vibrant and sophisticated.

Conclusion

From all the above discussion we have concluded that the Capsule houses rely on five key materials to offer the required strength, comfort, and long-term value. For instance; galvanized steel is best for structural framework, fluorocarbon-coated aluminium for weather-resistant shells, and eco-friendly polyurethane insulation for energy-saving. Similarly, tempered glass plays a crucial role in illumination and safety, and stainless steel is painted for protective access. 

 

However, remember to always look at the material quality when selecting or designing your own capsule house as this will determine the overall comfort and longevity of the unit. Buy from Glamni Space Capsule House if you are looking to achieve the best value, as our innovative design approach to quality materials ensures unmatched value. So, contact us today!

Picture of Michael

Michael

Michael, a highly innovative entrepreneur with a solid grasp of the space capsule industry, has over a decade of experience in pioneering market innovations and focusing on customer needs. His expertise in creating unique lodging experiences combines practicality with comfort, positioning her at the forefront of space-efficient accommodation trends. With a talent for turning challenges into opportunities, Michael offers invaluable insights into the evolving world of space capsule developments and strategies for customer engagement

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