We don’t like the maintenance problems of low E glass, and the slightly smokey appearance it has when exposed to direct sunlight, ruins the clarity of the view and is annoying. Apparently this glass is now commonly used in new homes and renovations and (for certain West facing windows with high heat load), building regulations stipulate it’s installation as mandatory. Low E glass may have some benefits, but in our opinion, the disadvantages outweigh them. We recently installed large 3 metre high sliding low E glass doors and windows in our new renovation in Adelaide. NEVER use regular commercial window cleaning products like blue windex or ammonia to clean low E glass as these can damage the coating.īy the way, I can see that you are from St Malo Bakery by your email, Just want to say that I tried some of your bread and pastry from a small stand in Bondi Junction and they tasted marvelous!! □ Use 10 parts water to 1 part vinegar to clean and maintain it on a weekly basis. In regards to the streaks, you can just clean these off with acetone or denatured alcohol. Not sure how long you’ve had the windows installed, but you should bring it up with the builder if the marks don’t come off after cleaning as they are usually considered a defect (this is because low e glass manufacturers don’t recommend the use of suction cups during installation unless no other option is available since it’s possible that the suction cups can cause irreversible damage to the coating of the glass, especially if they haven’t been cleaned with denatured alcohol beforehand). You can try 99:1 Water and hydrochoric acid if acetone doesn’t remove it. This is something we encounter from time to time during after construction cleaning and we’ve had success removing it with a little acetone on a soft lint free cloth. I think what you mean is that there are stains caused by the suction cups which were used during the window installation process (not manufacturing). Harsh Alkali or acid based cleaners (unless under special circumstances outlined below).Squeegee) but the insides requires special care due to the metallic oxide coating.ĭO NOT use the following things on the metallic oxide coating – The outside of Low E Glass can be cleaned like standard glass (eg. The glass was originally used in commercial office buildings due to it’s ability to increase energy efficiency (by reducing heat loss) and is starting to become a popular choice for residential homes (prevalent in new homes built in Sydney’s North Shore) due to it’s ability to reduce the amount of UV rays, heat and glare coming into the home when compared to standard glass. It’s made the same as standard glass but has a thin metallic oxide film fused to one side of it (usually facing inside) and this coating can be an inexperienced window cleaners worst nightmare. One type of glass which is becoming increasingly common when it comes to new home construction in Sydney is Low E Glass. As a professional window cleaning and after builders cleaning company, we are required to continually work with glass suppliers to ensure we are up to date with the latest glass technology.
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