Polishing Windshield: how to do and what results you can expect
Do It Yourself Educational Program / / December 19, 2019
In some cases, the unpleasant scratches can be removed with their own hands, while others can not do without replacing the glass.
Where are the scratches
Glass, as well as any perfectly smooth surface, subject to scratches. They emerge from the impact of abrasive particles, which are on the machine in excess. This dust and small stones from under the wheels of other cars, and erased wiper blades. Not to mention the traces of scrapers and reagents after the winter.
All this leaves on the glass surface are small and deep scratches, matte zatortosti, divorce. Damage not only spoil the external aesthetics, but also impair visibility, endangering safety. Most of the problems delivered by glare headlights oncoming traffic when driving at night.
What to choose: or polishing glass replacement
There are two ways to deal with the evil fruit scratches: the more radical, but expensive, and relatively affordable, but not so effective. First - this is, of course, a complete replacement of the glass, and the second - his polished with an abrasive paste. Both options have both advantages and disadvantages, so everyone finds his supporters.
A definite plus replacement - a guaranteed result. Cons only issue price and justify the need for such repairs doubtful customers when selling the car.
With polished all the way around. Trump card here - the economy, and among the drawbacks - poor efficiency with deep scratches and the risk of getting a lens effect. However, this is possible only in case of pre-grinding of glass, but good masters such do not allow.
When selected polishing
- Scratches are not very many, and they are on the same site.
- Glass has heating, rain sensor, the camera and is very expensive.
- You want to keep the original windows to confirm the absence of an accident at selling car.
When you choose a replacement
- Damage to many and significant.
- The price of glass is low and is comparable with the cost of polishing.
- You do not bother about the safety glasses.
What result can be expected when polishing
Scrapes from janitors to polishing / YouTube-channel "DIY"
Polishing is not a panacea, and expect a miracle it is not necessary. In the treatment of the glass surface is removed superfine abrasive paste layer having a thickness of 100 to 300 microns (0.1-0.3 mm). If a scratch deeper, they become less noticeable, but not completely disappeared.
Understand whether to remove polishing damage succeed, it is pretty simple. It's enough to carry across the scratch with a fingernail. If it is clearly clinging to the glass - means damage to deep and abrasive paste just flatten it by making a little less noticeable.
Glass after polishing paste with AliExpress / YouTube-channel "DIY"
The following issues are polished or eliminate completely, or will bring in a minimum:
- matt pastes on the brushes of a screen wiper;
- abrasions on the scraper and brush;
- fine crack-spider;
- haze and spots from the reactants;
- glare from the headlights of oncoming cars.
How much is a polished professional windshield
As with any repairs, Professional help will cost money. But you get a guarantee of result, but the master will be responsible for their work. When referring to the professionals do not look for the lowest price, and be guided by the reviews and the reputation of the SRT.
Price polishing varies depending on the region and the selected service center. In general, the cost of such services ranges from 1 500-3 000 rubles for local polishing and 5 000-15 000 rubles - for the full.
For comparison: the replacement of glass with a view of the work will cost 4 500-6 500 rubles for domestic cars, 10 000-45 000 rubles - for cars. In the case of the original glasses and versions equipped with heating, sensors and cameras, the price will be even higher.
How to polish the windshield with his own hands
If the damage is minor and you are confident in their abilities, you can try making your own polish. Ideally, it needs polishing machine, but for its lack of a suitable and an electric drill with speed control. The remaining materials are easy to buy on AliExpress or in the nearest auto shop.
What is needed
- Set for polishing with powder of cerium oxide.
- Drill with speed control.
- The liquid for washing glasses.
- Microfiber napkins.
- Sprayed with water.
- Marker.
How to do
- Wash the glass with a spray washing windows and dry with a cloth. Otherwise, the grains of sand and other abrasive particles fall on the circle, and the glass will be damaged even more.
- If small scratches and little, mark each section inside the marker. So it will be easier to navigate and will save you polish.
- Prepare powder of cerium paste. To do this, add to it a little water and stir until smooth, reminiscent of the density of sour cream.
- Replace the drill tip with a felt circle. Angle grinder machine or can not be used - due to the high speed glass to overheat and break.
- Apply some paste to the circle and distribute it to the polishing area, not including the drill. Begin treatment at medium speed in a range from 1000 to 1500.
- Drive nozzle from side to side, slowly treating the desired area. Take a small overlap with each pass so as not to leave gaps.
- Do not push too hard because of the friction of the glass becomes very hot.
- Often stop and moisten the place of processing water from the sprinkler to prevent the glass overheating and drying out the paste.
- Depending on the number and depth of the scratches may take from 30 minutes to 2-3 hours. Periodically stop, flush glass and evaluate the result.
How to protect the glass from scratches
Immediately after the polishing is recommended to replace the wiper blade so that no new scratches. In addition, there are some tips that will help keep the transparency of glass.
- Never use the windscreen wipers "dry."
- Timely change brush as it wears.
- Avoid using a scraper for ice.
- Apply a protective coating on the glass type "antirain".
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