Glass Curtain Wall Solutions under Vietnam's Tropical Climate: The Real Experience Brought by EPC

Aug 13, 2026

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In our previous article, we introduced EPC laminated glass in detail (see:https://www.dfsmartfilm.com/info/decoding-epc-smart-dimming-film-a-disruptive-103598031.html ). Laminated insulating glass, however, is an upgraded solution better suited for architectural applications. To give you a more intuitive understanding of its practical application scenarios, this article will share a private villa project case study located in Vietnam.

 

Based on this actual project and incorporating the demands most frequently mentioned by customers when applying such products to their building facades, we have compiled professional answers to the following questions:

 

Q1: When applied to overhead canopy areas, what is the actual performance of Difei EPC insulated laminated glass film in terms of hardness and compressive protection?

A: Overhead canopies of villas are exposed to the outdoors year-round, so overhead safety is always the top priority. The project itself uses tempered insulated laminated glass, which is equivalent to having a dedicated cavity between two pieces of EPC tempered laminated glass to form a complete glass unit. This is akin to superimposing an invisible, military-grade "explosion-proof armor" onto the entire canopy system, exponentially enhancing the glass surface's impact and compressive resistance to calmly cope with local tropical storms, typhoons, heavy rainfall, or flying debris in Vietnam. Meanwhile, its extremely strong adhesive properties ensure that even if extreme external force causes damage to the glass, the fragments will remain firmly fixed in place, completely eliminating safety hazards overhead.

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Q2: Vietnam is very hot all year round. How does this glass specifically perform in terms of sun protection and thermal insulation?

A: In response to Vietnam's year-round hot climate, Difei's EPC film exhibits exceptional physical cooling capabilities: it efficiently blocks infrared and ultraviolet rays, significantly lowering the indoor sensory temperature and drastically reducing the air conditioning load. This allows the top-floor space to remain cool and comfortable even at noon. Below are the actual performance parameters of Difei insulated laminated glass, based on testing by China National Accreditation Service (CNAS) / National Center for Quality Inspection and Testing:

 

No.

 

Test Item

Test Result(0V)

Test Result(220V)

1

可见光透射比, %

Visible Light Transmittance, %

0.6

23.4

2

可见光反射比, %
Visible Light Reflectance, %

22.8

23.1

3

太阳光直接反射比, %
Solar Direct Reflectance, %

27.8

28

4

太阳能总透射比 (SHGC,得热系数), %
Total Solar Transmittance (SHGC, Solar Heat Gain Coefficient), %

15.1

16

5

遮阳系数 (SC)
Shading Coefficient (SC)

0.17

0.18

6

传热系数 (U值), W/(m²·K)
Heat Transfer Coefficient (U-value), W/(m²·K)

1.2

--

7

太阳能总透射比 (SHGC,得热系数), %
Total Solar Transmittance (SHGC, Solar Heat Gain Coefficient), %

7.7

36.2

8

遮阳系数 (SC)
Shading Coefficient (SC)

0.09

0.42

 

Q3: What kind of effect can this glass achieve in terms of privacy and light/shadow control?

A: The Difei EPC series is extremely flexible in use, supporting stepless adjustment rather than being stuck in a rigid state of only "fully open" or "fully closed." You can freely switch to any comfortable intermediate state depending on the current sunlight intensity: whether you want it brighter or slightly dimmer, either is fine. It can block external lines of sight to protect privacy while transforming harsh direct light into soft illumination, allowing you to still clearly see the sky and clouds outside when looking up, without feeling oppressed at all.

 

Q4: Facing this geometric canopy design spliced from multiple triangular pieces, how does the Difei EPC film provide support in terms of custom-shaped cutting and on-site delivery?

A: Facing complex custom-shaped canopies, we have established a complete delivery system ranging from early-stage detailing to on-site installation. In the preliminary stage, precise modeling and size optimization for each piece of film are carried out via CAD, converting complex angles, irregular boundaries, and non-standard dimensions into executable data. During the production phase, high-precision laser cutting equipment is used for processing, controlling dimensional tolerances down to the millimeter level to ensure a precise match between the film material and the glass structure.

In the on-site delivery stage, Difei not only provides professional EPC film materials but also relies on an experienced on-site construction team for installation, commissioning, and detail handling. This ensures that every piece of film is precisely positioned, allowing the complex geometric forms in the architectural design to be fully and perfectly realized.

 

Q5: As a high-end architectural film material, what is the lifespan of this product?

A: We provide a warranty period of up to 10 years, and this confidence stems from the brand's absolute trust in the product's weather resistance, UV aging resistance, and long-term stability. Having undergone multiple rounds of rigorous laboratory testing simulating tropical strong UV radiation and high-temperature, high-humidity environments, it still perfectly maintains its exceptional condition without fading, delaminating, or bubbling. For homeowners who value long-term asset value and living quality, this is not only an upgrade of spatial materials, but also a solid investment in a worry-free lifestyle for the next decade.

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