Why to select the right glass for your glass curtain wall?
Why to Select The Right Glass For Your Glass Curtain Wall?
In most cases, the dangers of the glass curtain wall mainly come from the bursting and falling off of the glass, and the unreasonable reflection of the sunlight. What’s worse, glass cracking may cause the glass fragments to fall off and hurt people and even cause the whole glass to fall off and hurt people. The unreasonable reflection of sunlight, especially the reflection of strong light by high reflective glass is another serious problem due to the wrong choice for glass material. In short, considering the shedding of the glass, and sometimes the detachment of the entire curtain wall, the main reason of the accident is the improper use of the glass or the improper installation of the glass.
Measures to Improve Glass Safety In Applications
In general, one of the most effective measures to ensure glass curtain wall safety is to prevent glass from bursting as well as to prevent glass from falling off. In the meanwhile, to prevent light pollution from the glass is considered another important issue for your curtain wall system.
To prevent glass from cracking, there are a few useful tips for reference:
1. Reasonably choose the glass size. The larger the glass area, the easier it is to burst. For the determination of the area, refer to JGJ102-96 “Technical Specifications for Glass Curtain Wall Engineering”.
2. Try to use heat treated glass, tempered glass and heat strengthened glass. The strength of tempered glass is 3-5 times that of normal clear float glass, which can effectively resist the impact of wind and snow load and foreign objects. Nevertheless, tempered glass has a problem of self explosion. And although the strength of the heat strengthened glass is only about half of that of the tempered glass, there’s no self explosion possibility.
3. When the heat absorbing glass and the reflective glass used in the curtain wall facing the sun, the original piece of the glass is preferably heat treated. In that regard, curtain glass windows used in this part is very susceptible to thermal cracking.
4. Choosing polished glass.
5. Do not leave assembly stress on the glass when installing your glass curtain walls. Try to start your building construction based on relevant specifications, in order to minimize glass deformation.
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