Henan Yajiate Green Building Technology Co., Ltd. has introduced the Duolaibao EPS Dome House, integrating earthquake resistance, storm resilience, rapid assembly, and energy efficiency into a single innovative housing solution.

Utilizing high-density EPS (Expanded Polystyrene) material and modular design, this groundbreaking construction method enables buildings to be assembled as quickly as building blocks, redefining the concept of safe and convenient living.

01 The Rise of EPS Modular Houses

In recent years, frequent extreme weather events and natural disasters such as earthquakes and typhoons have posed severe challenges to traditional building structures. Protecting human lives during disasters has become a core issue demanding urgent solutions in the construction industry.

Against this backdrop, Henan Yajiate Green Building Technology Co., Ltd. presents a novel solution with its innovatively developed multi-assembled Duolaibao EPS Dome House.

The application of EPS material in construction is not entirely new, but the technology has continuously evolved. Early EPS wall modules were already made from polystyrene foam injected-molded as one piece, with internal connecting blocks and tongue-and-groove ends.

Recent advancements in material science and building techniques have significantly enhanced the performance of EPS modules.

The new Duolaibao EPS Dome House uses environmentally modified graphene EPS material, composed of numerous independent bubbles. Its large molecular structure offers good stability and is difficult to degrade.

This material excels at blocking heat flow, with a thermal conductivity coefficient of less than 0.022 W/m·K, providing excellent thermal insulation.

The multi-assembled Duolaibao comprises multiple units like the first, second, and third Duolaibao, interconnected via passageways. The combination of differently shaped Duolaibao units creates a prefabricated building with well-defined functional zones.

02 Breakthrough Technology for Wind and Earthquake Resistance

The Duolaibao EPS Dome House's resilience against wind and earthquakes stems from the perfect marriage of its unique structural design and materials science.

Unlike traditional buildings, this innovative structure uses lightweight yet high-strength EPS modules as the primary building material. Standardized design and flexible connections effectively resist damage from wind force and seismic waves.

The EPS module concrete shear wall structure system involves assembling factory-standardized EPS cavity modules like building blocks to form cavity walls. Reinforcement bars are set inside, and concrete is poured.

This composite wall structure boasts seismic resistance exceeding intensity 8, ensuring safety even in high-seismicity regions.

Compared to traditional buildings, EPS module buildings exhibit superior integrity and toughness. The excellent mechanical properties of the EPS cavity modules and the dovetail grooves evenly distributed on their inner and outer surfaces interlock organically with the concrete and the thick protective layer, enhancing the impact resistance and durability of the composite wall.

Regarding wind resistance, its lightweight and high-strength characteristics ensure exceptional performance in strong winds. Similar technical concepts have been proven in other prefabricated buildings—some lightweight, wind, and earthquake-resistant prefabricated structures effectively reduce the impact of airflow and vibrations.

The Duolaibao EPS Dome House's multi-unit composite design further disperses wind load, enhancing overall stability against wind.

03 Rapid Assembly: Unifying Efficiency and Quality

The multi-assembled Duolaibao from Yajiate Company embodies the modern construction philosophy of "building houses like assembling blocks," achieving the dual goals of high efficiency and superior quality.

Using standardized EPS modules prefabricated in factories and assembled on-site, this method significantly shortens the construction cycle and reduces reliance on manual labor.

A key feature of the multi-assembled Duolaibao is that the connections between various Duolaibao units use single-curve modules, and the connecting passages are卡接 (snap-fitted) with the corresponding single-curve modules.

This design makes the installation process straightforward and fast. Requiring no large machinery, the entire structure can be assembled in a remarkably short time.

Compared to traditional buildings, the Duolaibao EPS Dome House reduces construction time by over 50% while lowering building costs by 15%.

This rapid assembly feature is particularly valuable for emergency housing and temporary settlements, enabling the quick provision of safe shelter for people displaced by natural disasters.

The precise geometrical dimensions of the EPS modules (maximum negative error 0.2mm)ensure high accuracy during assembly. The tight fit between modules effectively prevents thermal bridging and air infiltration, further enhancing the building's overall energy efficiency and airtightness.

04 Comprehensive Safety Design Protecting Lives

The Duolaibao EPS Dome House, with its core philosophy of "protecting people's lives and safety," incorporates all-around considerations for fire safety, structural safety, and health safety.

Regarding fire safety, EPS materials are specially treated for good fire performance. The recently released technical standard "Technical Standard for Fire Separation Strip Sub-cell Thin Plaster External Wall Thermal Insulation Engineering of Faced EPS Board" in Henan Province specifically addresses the fire risk of EPS boards.

This standard mitigates the fire risk of EPS boards through fire separation strip and sub-cell construction techniques, ensuring both technical advancement and cost-effectiveness.

Structurally, the composite wall formed by EPS modules and concrete offers exceptional durability, achieving a service life for the EPS cavity module insulation layer equal to that of the building structure.

This means the insulation never needs replacement throughout the building's lifespan, reducing long-term maintenance costs and potential safety hazards.

Health-wise, the materials used in the Duolaibao EPS Dome House do not emit harmful gases like formaldehyde, enabling low-carbon environmental protection, and the product materials are recyclable.

The indoor temperature remains within the comfortable range of 18-23°C year-round, providing an optimal living environment.

Compared to traditional buildings, the Duolaibao EPS Dome House can save over 50% on annual usage costs, offering an economical and practical safe housing option.

05 Application Prospects Reshaping Future Living

The versatile features of the Duolaibao EPS Dome House open up broad application prospects in various fields, including tourism resorts, emergency settlements, and rural construction.

As a landscape architecture integrating green, eco-friendly, ultra-low energy consumption, and passive prefabricated advantages, it serves as an excellent replacement for wooden houses and other non-conventional buildings.

The multi-assembled Duolaibao from Yajiate Company can meet the living and entertainment needs of different group sizes. Combining various Duolaibao shapes creates a prefabricated building with more complete functional zoning.

This flexibility makes it particularly suitable for uses like B&Bs, holiday homes, and mobile office spaces.

In emergency scenarios following earthquakes, floods, or other natural disasters, traditional brick-and-concrete buildings involve long reconstruction times and high costs.

The rapid assembly feature of the Duolaibao EPS Dome House enables it to quickly provide safe and comfortable temporary shelters for affected populations, effectively addressing emergency situations.

As the Henan Provincial Department of Housing and Urban-Rural Development seeks "Four New" technologies (New technologies, materials, processes, and products) for the 2025 housing and urban-rural construction field, innovative building technologies like the Duolaibao EPS Dome House are likely to gain more policy support and market recognition, indicating a promising future.

The Duolaibao EPS Dome House from Yajiate Company is more than just a building product; it's a transformation of traditional construction models. It perfectly integrates safety and convenience, making high-quality housing accessible beyond a privileged few.

With the of this technology, facing natural disasters in the future will become more manageable. The vision of "Earthquake-Resistant and Storm-Proof, Protecting People's Life and Safety" is becoming a reality.