New City, New Life | Greensee 40-Day Rapid Transformation: Rejuvenating a 4,500㎡ Office Landmark.

The “coat” of a building will age.

But the innovation of doors and windows can bring new vitality to the city.

In the curtain wall renovation project of a 4,500 m² large - scale office building in Changsha.

Greensee System Doors and Windows, with an extreme construction period of 40 days,

Under the severe tests of the split - level structure, oversized old windows,

And construction in the rainy season,

Submitted a stunning answer sheet for urban renewal.

Project Address: Yuelu District, Changsha

Renovation Area: 4500 m²

Product Used: Greensee Series 65 Top - hung Windows

Before Project Renovation

Before the project renovation

The sliding windows of the original building.

The maximum size of a single sash reaches 7.7m * 5.4m.

Moreover, the structural gaps are large, allowing cold and hot air to flow freely.

The glass has a high thermal conductivity, being like an oven in summer and an ice cellar in winter.

The window sashes are divided into many parts, and the effective light - transmitting area is greatly compressed.

Project Renovation Requirements

On the basis of retaining the original building structure

Carry out facade renovation to enhance the building's image

At the same time, focus on improving the building's energy - saving effect

Reduce the building's operation cost

Create a modern and human - oriented office space

After Project Renovation

Dual Improvement of Transparency and Functionality

Greensee takes “windows” as the breakthrough for energy conservation

Reshape building energy conservation with door and window technology

Replace the traditional sliding windows of the original building with

Greensee 65 Series Casement Windows

The sashes are precisely embedded with the walls

Create a smooth and uniform building exterior curtain wall structure

Greensee strictly selects environmentally friendly and energy-saving materials.

Optimize the heat insulation and sound insulation performance of doors and windows.

Reduce the energy demand of buildings in terms of refrigeration and heating.

The adoption of transparent glass greatly improves the lighting rate.

At the same time, reduce lighting energy consumption.

Promote the sustainable development of the city.

Renew the city's vitality and enhance the image and functions.

Greensee Seven - Star Installation

Deliver with Exquisite Craftsmanship, Achieve Both Speed and Quality

The originally scheduled 90 - day construction period of the project was compressed to 72 days.

Among them, the batch construction time of Greensee only took 40 days.

As a professional door and window installation team,

The Greensee Seven - Star Team, in this project,

Through technical disclosure and technical review,

Control the site to strictly construct according to the drawings and sequences.

From the precise measurement and recheck of door and window openings,

The firm installation and fixing of door and window auxiliary frames,

To the meticulous handling of joint filling and edge finishing,

Every step is pursued with utmost perfection.

What is finally delivered is not just doors and windows,

But a crafted work that can stand the test of time.

Every curtain wall renewal

Is a repair of the urban texture

Greensee System Doors and Windows, through door and window renewal

Drives the city to move towards beauty

Building a green, intelligent and vibrant urban future