Become an expert! 5 interpretations of “slang” about smart doors and windows, don’t follow the trend when choosing products

Have you ever experienced such a scenario when purchasing smart system doors and windows?

The shopping guide was eloquent, and a bunch of professional terms came to his face: "We use a multi-cavity structure", "This product has a very low K value", "Standard configuration of automotive-grade EPDM rubber strips"...

You nodded and said in your mind: "What's so good about this?"

Don't worry! Today, we are here to be your "exclusive translators" and break down those high-sounding industry "slangs", turning you from a novice to an expert in an instant, so you can choose doors and windows clearly!

1. Multi-cavity structure

Professional definition: The interior of the profile is designed to consist of multiple independent compartments.

Core values: Excellent structural stability and sound and heat insulation performance.

In-depth interpretation: The cavity is like a partition wall in a building, effectively blocking air flow, dispersing stress and slowing down heat conduction. The more scientific and complex the cavity design is, the better the overall performance of the profile is usually.

Life experience: Think of a single chamber as a large bay where sound and heat can rush through. The multi-cavity is like dividing a large room into a bedroom, living room, and study. Each room can effectively block noise and heat and cold, making the home quieter and more energy-saving.

2. K value (heat transfer coefficient)

Professional definition: Core physical parameters to measure the thermal insulation performance of doors and windows.

Core values: The K value is directly related to the energy-saving effect and operating costs of the building.

In-depth interpretation: The lower the K value, the stronger the thermal insulation capabilities of the doors and windows. At present, K value ≤1.5 W/(m²·K) has become an important symbol of high-performance doors and windows.

Life experience: In winter, low K-value doors and windows are like putting on a top-quality down jacket for the house. The indoor heating cannot escape and the outdoor cold air cannot enter. Your electricity bill will tell you directly how "smelling" it is.

3. Isothermal layer design

Professional definition: The indoor and outdoor aluminum profiles of doors and windows form a continuous and effective thermal insulation layer through insulation strips.

Core values: Fundamentally improving the thermal insulation performance of doors and windows structurally is the signature technology of system doors and windows.

In-depth interpretation: This design ensures consistent alignment of the insulation strip chambers, blocks the "hot and cold bridge" effect, and prevents the metal profile from becoming a shortcut for heat loss.

Life experience: It ensures that the door and window frames are at a similar temperature to the indoor environment, making them feel warm and moist to the touch in winter, avoiding condensation and comprehensively improving the user experience and energy-saving benefits.

4. Automotive grade EPDM sealing strip

Professional definition: It adopts the same level of elastic sealing material as high-end automobile doors and windows.

Core values: Long life, high elasticity and excellent weather resistance ensure long-term sealing.

In-depth interpretation: EPDM material has excellent UV resistance, high and low temperature resistance (-40°C to 120°C) and anti-aging capabilities, ensuring that the strip can remain flexible and sealed after many years.

Life experience: Ordinary rubber strips may harden, crack, and leak after a few years. This kind of tape is like the door seal of a luxury car. The moment you close the window, the world becomes quiet and the wind and rain are firmly blocked out.

5. System integration

Professional definition: All components such as profiles, glass, hardware, and seals are collaboratively designed, tested, and optimized as an organic whole.

Core values: Pursue the optimal solution for overall performance to ensure long-term stability and reliability.

In-depth interpretation: Different from simple assembly of components, system doors and windows undergo precise calculations and repeated testing during the research and development stage to ensure that each component perfectly matches and achieves the preset performance goals.

Life experience: It means that doors and windows are a complete solution with proven performance, providing long-lasting, stable and overall performance guarantee without shortcomings.