Product introduction of multiple sliding doors:
Etaifeng's lift and slide door is a high-end door system known for its excellent sealing and smooth operation. With mostly glass panels, it offers excellent light transmission and a sophisticated overall appearance. The lift and slide door utilizes a special lifting and sliding mechanism, ensuring a tight seal between the door panels and the floor track when closed, resulting in superior airtightness and watertightness. It also allows for easy sliding when opening, even for large glass doors.

Product advantages of Multiple sliding door:
Multiple Sliding door for balcony utilizes a pull-up structure, allowing the door panel to slide smoothly and without resistance on the track, making it suitable for large glass areas and very convenient to open. The lift and slide door automatically closes the track after closing, providing comprehensive wind, rain, and dust protection with excellent sealing. Multiple Sliding door for balcony's glass panel uses double-glazed windows, effectively blocking heat conduction and maintaining a comfortable and quiet indoor environment. Multiple Sliding door for balcony features a minimalist design with very narrow bezels, maximizing light transmission and overall openness.
| Project | Technical Specifications |
| Wind pressure resistance | ≥ 4.5 kPa, suitable for high-rise buildings and coastal areas |
| Air tightness | GB/T 7106-2019 Level 8 |
| Water tightness | ≥ Level 6, effectively preventing rainwater leakage |
| Sound insulation | 35~45 dB, blocking external noise |
| Thermal insulation | U-value as low as 1.6 W/(㎡·K) |
| Service life | ≥ 100,000 opening and closing tests |

Product Application of internorm sliding door:
1. Micro ventilation sliding door for Garden Door
An internal sliding door is ideal as a connecting door between the garden and living room. The large glass doors create a natural transition between indoor and outdoor spaces, maximizing natural light and views. When closed, the internorm sliding door's superior sealing structure prevents dust, pollen, and rainwater from entering; when open, the smooth sliding system allows you to easily push the door open, blending seamlessly with the garden greenery and enjoying an open and airy living experience.
2. Micro ventilation sliding door for Balcony Door
For modern apartments and high-rise residences, balcony doors need to be both aesthetically pleasing and waterproof. Internorm sliding door automatically tightens its tracks when closed, providing excellent airtightness and watertightness, effectively blocking external noise and cold drafts.
3. Micro ventilation sliding door for Kitchen Door
Using lift and slide door between the kitchen and dining room not only isolates cooking fumes but also maintains a sense of openness. When closed, it seals tightly, preventing odors from spreading; lift and slide door slides smoothly when opening, saving space, making it ideal for open-plan kitchen designs. lift and slide door's use of double-glazed glass also provides insulation, maintaining a stable kitchen temperature, making it energy-efficient and practical.
4. Micro ventilation sliding door for Living Room Partition Door
In large apartments or duplexes, lift and slide door glass doors can serve as flexible partitions between the living room and study, balcony, or other spaces. Their silent sliding tracks and high-transparency glass allow for spatial division without feeling cramped, maintaining privacy while ensuring natural light.
5. Micro ventilation sliding door for Sunroom and Terrace Spaces
Sunrooms require large glass doors to achieve a unified effect of ventilation, lighting, and views. Lift and slide door glass doors easily support large door panels, perfectly meeting this requirement. They handle both winter insulation and summer ventilation with ease. When used with Low-E glass, they can significantly reduce energy consumption, creating a comfortable and energy-efficient leisure space.

FAQs of lift and slide door:
1. Why does internorm sliding door for balcony offer superior sealing performance?
Each internorm sliding door for balcony sealant undergoes sealing compounding and structural assembly in the factory, ensuring a more controllable sealing environment and more stable quality. It also utilizes high-performance silicone structural adhesive and EPDM sealing strips to achieve superior airtightness and watertightness.
2. What types of buildings is internorm sliding door for balcony suitable for?
Internorm sliding door is suitable for super high-rise buildings, complex curved curtain walls, and projects with high requirements for airtightness and watertightness, such as high-end office buildings, hotels, airports, and convention centers.
3. Is internorm sliding door easy to transport and install?
Each Micro ventilation sliding door sealant is designed with standardized dimensions and can be transported as a whole package. On-site installation can be quickly completed through hoisting, positioning, and assembly, saving time and labor.
About us:
Liaoning E-taifeng Co.,Ltd. was founded in 1995 and has focused on energy-saving doors for 29 years. In 2002, it became a member of the European Doors and Windows Association and received ISO9001 international quality system certification. We continue to introduce and adopt advanced technologies to improve product performance and quality.
