Sounds like it may be easy.
Experienced cleaners know what to watch for and how to handle certain types of glass using a scraper.
The idea of telling newbies here to go ahead scrape may not be a good suggestion.
Scratching the glass has already been mentioned on this thread by Jared.
I believe Phils razor set up is gentler than the more aggressive design we are all familiar with. Heās an inventor. He may be onto something new that works. Iāll be giving his idea a try in early March with four stores that got Christmas painted. I already know one of the stores definitely has fabricated debris on it. So Iāll be carefull and see what happens.
On a side note: Just a heads up. Ya know you canāt believe everything you read on the internet. 
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Not changing the fact that youāre scraping a window with a razor blade
Iāll post back here after I remove the Christmas season paint off that storefront that has the debris on it.
small stickers no charge for regular customer, large covering more than %50 percent of window 15 to 20 bucks per pane.
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I used this way even on a dry window to prove it works but I always used it on a very soap up window and it does not affect the windows . used it all day today with soap on the window and using only wfp is not really good either without soap on the glass
Yeah the sticker is covering the whole window. Itās probably like 20x15
I would test for 10 minutes to see how much can be done in that amount of time, then charge by the hour or just estimate how long it will take you for the whole job and charge accordingly
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Thatās what I charge as well but only if it comes off easy, fifteen minutes or so. I donāt believe $20 is enough if it takes well over an hour and sometimes it does. All glue isnāt created equal. Itās a crap shoot.
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$60 An hour
Tell him thatās your standard labor charge. With these type of things we just donāt know how itās going to go. Could be a real bitch might come right off.
ciukd take a half hour might take an Hour an a half.
Oil Flo works really good. I just used it to get a sticker of a stainless steel applaimce that was on there for quite some time
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It does look interesting, but Iād never suggest a new guy or give it to somebody working for me. Looks like it could be a quick trip to the hospital. Iād never suggest to razor dry glass perhaps Iām still a newbie but thatās not something Iād ever do. We always try to use an abrasive pad before we have to break out the razor , for vinyl lettering ect. Of course I would go straight to my razor. Be safe
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I am not a big fan of using scrapers on glass. Watched to many videos and read to many forum posts about fabricated debris to ever feel comfortable scraping a window again. I even have a paragraph on my web site with a link to Gary Mauers scratched glass web site. Scraping glass is a very risky business.
PS
From my web site
Is it safe to scrape paint, decals and other debris off windows with a razor blade scraper?
Scraping windows with a razor blade can be very risky business, because some of the newer types of glass are highly susceptible to scratching. This is why the glass industry has taken a new position in recent years - that scrapers should no longer be used to clean glass.
Glass Care Links
Is it safe to use a razor on glass?
Iāll be adding this link to my page soon
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I may loose four locations on my storefront route because of the scenic holiday murals painted on their windows. If I refuse to scrape off the paint they will be forced to call someone else in.
The guy who paints the murals uses a one inch razor without the scraper when he removes a mural. He holds it between his thumb and index finger and claims to have NEVER scratched a window. Perhaps this is true. If it is true it has something to do with a gentle touch. Iād rather use Philās 6 inch razor idea that the painters 1.5 inch razor idea.
Windex and a bare razor is what he uses. He laughed at me when I tried to tell him about FD. Talked at me like I was crazy. Lol
lol I canāt imagine using a 1" blade to take murals off. Thsts insane.
Unless there willing to pay me then ya sure Iāll use a 1" blade.
@BostonMike. The last thing you should be worrying about is scratching glass on storefronts. Your a pro use your blade correctly An only scrape where there is soap An water in the glass an thsts all there is too it.
Mike honestly I wan you to count alll the scratches you see today while your cleaning your route. Give me a call when you get to a 100
An Iām not saying itās ok to scratch glass
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This is another one I may add to my website. Itāll get your blood boiling for sure!
http://glassmagazine.com/article/06-june-2008/scrapers-and-scratches
Are yih there yet. In waiting
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About 40 panes of storefront windows need to be scraped with a 1 inch scraper. The murals are about four to five feet tall. Geez
Not sure if thatās true my friend.
Who is saying that it needs to be with a 1" in scraper ?
Becuse my 1" scraper price is double my 6" scraper price an Kt should be triple in just being nice 
