Question about sealing and waxing windows

[stemyx]

Is it safe or okay to apply a coat of wax or sealant to your windows so it could act as a water repellant? Sorry for the silly question but I'm just curious and looking for alternatives!
Thanks.

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[faulksy]

I have heard that a carnauba wax can cause the wipers to chatter. I'm also unsure how long it will last on the front with the wipers going over it. I know people do use wax but wonder if they run into glare issues with the sun more often than those with unwaxed windows.

Why not use a product specially made for windows like Rain-X? CG V7 is a spray sealant which is claimed to work on windows well

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[MrOneEyedBoh]

I've used carnuba w.o issues YMMV, now I'm using opti-seal and its been running for about 3 mth or so and the wipers have hit it about 5 times. It doesn't repel water as fast as rain-x , I have to get up around 35 but once it starts to repel , it will in the lower speeds too

[blinkstafoo182]

I use the CG V-07 on my paint and windows, any speed over 45ish I don't even use the windshield wipers, unless its really coming down.

[stemyx]

Yeah I might as well use rain-x or just not put carnauba in the front. Thanks for the feedback!

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[PiPUK]

As above, YMMV but I know for sure that most waxes and many sealants are inappropriate for glass. Yes, they may well adhere and they may well repel water but often there are oils and silicones present (not to mention the waxes) which offer the potential for 'grabbing' rubbers such as found in your wipers or even the side window seals. The results can be that you will get squeaks and jumps which are not only annoying but also can make visibility worse than with no product at all.

Unless you have tested a product thoroughly on glass, stick to glass specific products.

[Christopher.Brown]

maybe its the mystical synthetic hybrid properties in Collinite 845, but its quote, a wax, end quote, and it works as well on glass as it does on paint and i have never noticed excessive glare and or wiper chatter.

works great for sheeting. If i lived in the midwest or in the east coast id buy this 2 bottles at a time :) But i live in southern cali, so peoples idea of "pouring rain" here is a moderate drizzle. Im talkin stuff that is setting 2 on a windshield wiper east of colorado. Then driving goes to complete hell, as if it were flash flooding in kansas city or something.. its HILARIOUS

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oh and also i tend to use sealants often for glass

[swanicyouth]

I put whatever I'm putting on the paint on all the windows - EXCEPT the windshield. For that I use a dedicated glass product. I find wax can sometimes make wipers skip or chatter - its hit or miss.

I use Pinnacle or Griots Glass Sealants.

[kimtyson]

Duragloss Rain Repel. I have tried several glass cleaners and it works best for me. And if I get over-spray on the car it wipes clean. Cheap product that works great.

[eff]

maybe its the mystical synthetic hybrid properties in Collinite 845, but its quote, a wax, end quote, and it works as well on glass as it does on paint and i have never noticed excessive glare and or wiper chatter.

works great for sheeting. If i lived in the midwest or in the east coast id buy this 2 bottles at a time :) But i live in southern cali, so peoples idea of "pouring rain" here is a moderate drizzle. Im talkin stuff that is setting 2 on a windshield wiper east of colorado. Then driving goes to complete hell, as if it were flash flooding in kansas city or something.. its HILARIOUS

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oh and also i tend to use sealants often for glass

I had heard about this too. So, while I was applying a coat of 845 to my wife's car, I went ahead and did the windows too. 845 is amazing stuff! If you use a WOWO approach, then it can even work on window trim as a dressing. Anyway, it rained yesterday and the 845 on the windshield worked as good as Rain-X (if not better). You can coat your whole car in this stuff!

[KennyS]

I use strictly rain-x but i have used all kinds of wax..
Usually the wipers are chattering before you wax it and it usually improves wiper action.
good ole fashioned Rain-x is still the best IMO. speaking of which, i need to order some more..

[ChrisJ]

Duragloss Rain Repel. I have tried several glass cleaners and it works best for me. And if I get over-spray on the car it wipes clean. Cheap product that works great.

I have this myself and the only issue I ever have had is it leaves a fog after a few weeks which is quicker then when dont by the megs glass cleaner. However the rain repel is an awesome windshield washer fluid additive.

[POWERMAN_]

I've used both RainX and waxes.
Both were effective, but I find RainX to last longer.

Love it when all the water beads just slide of once you hit 50km/hr :)

[ChrisJ]

I honestly coat my windows with sealant and it works better then anything I have yet to try

[umi000]

My default product for windows, including the windshield, is Opti-Seal - lasts as long or longer than most rain repellents I've used, performs ok (I've found it works best at around 70 to 80 kph ~ 43 to 50 mph), and doesn't cause any wiper juddering.