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Edit cartProfessional glass coating for strong water beading and better visibility in the rain.
*Depending on preparation, use and maintenance.
Taxes included
Vehicle consumption: approx. 25 ml for the glass surfaces of a Golf-sized car.
One accessory kit is added per bottle.
For automotive glass and beyond. Glass-Coat is suitable for windscreens, side windows and rear windows, as well as other glass surfaces such as shower screens, windows and conservatories.
The glass must be intact, clean and properly prepared. For surfaces with existing coatings or special treatments, follow the manufacturer's instructions and check compatibility first. Acrylic, polycarbonate and plastic windows are not glass.
Apply to dry glass at 5–25 °C. Thoroughly clean and degrease the surface. If necessary, first remove bonded deposits with Glass Corrector and Glass Pad; then remove all residue and degrease.
Spread Glass-Coat evenly with a suitable applicator, wait 2 minutes, then buff off without pressure using a clean microfibre cloth lightly dampened with water. Check carefully under good lighting for any remaining residue.
Once all residue has been removed, the surface is rain-resistant. Winter application is also possible in a dry, adequately heated and well-ventilated workspace. Avoid direct sunlight and hot surfaces. Follow the instructions and safety data sheet.
View application steps →How long does Glass-Coat last?
Up to 12 months, depending on preparation, use and maintenance. On the windscreen, regular wiper use and heavy wear can considerably shorten its durability. Glass surfaces exposed to less wear can retain protection for longer.
At what speed does airflow start to move water off the glass?
On the windscreen, often from around 70–80 km/h. This is an approximate figure based on experience, not a fixed speed threshold. Windscreen angle, rainfall, preparation and the condition of the coating all affect the result.
Will I still need my windscreen wipers?
Yes. In suitable conditions, Glass-Coat can reduce the amount of wiping needed. Always use the wipers when visibility is reduced. Keep the wipers and washer system in working order.
Can I apply Glass-Coat in winter?
Yes, at 5–25 °C on dry glass with good ventilation. An adequately heated garage may be suitable if these conditions are met. Do not apply to damp or icy glass.
Do I need to polish the glass?
Glass preparation is advisable if there are bonded deposits or the condition of the glass calls for it. Even glass that is already clean and free of residue should be thoroughly cleaned and degreased.
When is the surface rain-resistant?
Once all residue has been removed. Before driving, check for residue, clear visibility and properly working wipers.
How should I maintain coated glass?
Use a suitable glass cleaner and keep the wiper blades clean. Abrasive glass polishes can remove the coating. If streaking or juddering occurs, check the glass for residue and clean the wiper blades or check them for wear.
Made in Germany · Safety data sheet in German
Safety data sheet (PDF) ↗
Safety information
Glass-Coat · The effect on your glass
Rainwater beads up noticeably. On the windscreen, airflow often starts to move it off the glass from around 70–80 km/h.
Windscreen angle, rainfall, preparation and the condition of the coating all affect the result. Always use the windscreen wipers when visibility is reduced!
Winter application
Glass-Coat can be applied at temperatures as low as 5 °C. That means you can coat your windows in the colder months, too.
An adequately heated garage may be all you need: the key requirements are dry glass, a temperature of at least 5 °C and good ventilation.
Application temperature: 5–25 °C. Avoid moisture and icy glass.
Preparation makes the difference
A carefully prepared surface is the basis for consistent water beading and good durability. Choose the preparation method according to the actual condition of the glass.
Remove loose dirt. Thoroughly clean the glass with a suitable cleaner and degrease completely, for example with Ultra Degreaser. Remove all residue.
For water spots, weathering or firmly bonded deposits, prepare the glass first with Glass Corrector and Glass Pad. Then clean and degrease thoroughly.
Application
Apply to dry glass at 5–25 °C. Avoid direct sunlight and hot windows. Ensure good ventilation and wear the protective equipment specified in the safety data sheet.
Clean and degrease the glass thoroughly. Remove bonded deposits first if necessary.
Spread evenly with a coating applicator. Wait 2 minutes.
Buff off without pressure using a clean, lightly dampened microfibre cloth. Check for residue.
Ready for rain once all residue has been removed. Follow the instructions and safety data sheet. View the full guide.
Glass-Coat protects windscreens, side and rear windows and makes regular glass cleaning easier. Also suitable for other appropriate glass surfaces such as shower enclosures, windows and conservatories.
Up to 12 months of protection* – regular wiper use and heavy wear can considerably shorten durability on the windscreen. Clean coated windows and wiper blades regularly.
*Depending on preparation, use and maintenance.
