Technical Advice | Glazing Technologies
Non-Reflective Coatings
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Technical Advice | Glazing Technologies
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01
We do not make up topics just to get clicks. Our topics come from the questions people really ask us. Architects ask us when they plan a building. Builders ask us on-site. Homeowners ask us when they plan their project. If the same question keeps coming up, we write about it.
02
The first draft is written by someone who works with that glazing system. This might be a technical advisor, a designer, or a product expert.
They write using three things, in this order. First, our own finished projects and what we learned from them. Second, the building rules and the glass standards that apply. Third, the maker's technical data for the system we supply. When we give a number or a limit, we say where it comes from. We name the rule or standard and link to the official source so you can check it yourself.
03
Before any article goes live, a second qualified person reads it. They check three things. That the facts are right and not made too simple. That any rule or standard we mention is current and stated correctly. That the advice matches how the work is really done on site.
This checker can send the article back, ask for proof, or stop it from going live. Two experts must agree. This is the most important safety step in how we work. The name of the person who checked each article is shown on the article itself.
04
Each article shows who wrote it, who checked it, and the date it was last checked. Rules, standards, and products change over time. So we go back and review our advice on a regular basis. We update it when a rule changes, a standard is replaced, or a product changes. Being right matters more than leaving an old article alone.
Non-Reflective Glass is used on numerous architectural glazing projects where the glass elements need to be as invisible and unobtrusive to the design aesthetic as possible.
This is usually more frequently the case on listed and heritage buildings. Glass is used in these scenarios due to its highly transparent nature and its ability to unobtrusively block in spaces without changing or damaging the original design intent of a building.
Low Iron glass is generally used in these areas but the use of a non-reflective coating is an additional option to further reduce the visibility of the glass units.
Non-Reflective Coatings are applied by dipping the glass panel numerous times into metal oxide solutions; these are cooked onto the glass at 400 – 500°C. Its the resulting lightwave transmission between the oxide layers that creates a non-reflective result.

This is a hard coating on the glass unit which means that it is incredibly durable against scratches or external chemical attacks (i.e in marine environments) and is maintained as a standard glass unit would be.
When a non-reflective coating is applied to glass units it can reduce the residual reflection to less than 1% and can offer a light transmission value of 98%.
Maximum sizes for these glass panels are determined by the size of baths that house the metal oxide solutions. Currently, the maximum size stands at 3770 x 1770 mm. Glass panels with non-reflective coatings applied can be laminated for structural glazing and be used in insulated double glazed units for use in a variety of applications.
