I wouldnt think it would cost much to do a screen I am mentioning it in case you wanted to do your whole bike or car OR it is possible that a local detailing shop may do your screen with it if you so choose to go that route. I am doing it as a whole vehicle(s) treatment. a little goes a long way but the stuff isnt cheap and I would not buy it just to put on glass. I will be doing my truck on the weekend, so I wont know for a week or 2 how well it works, but I have no reason to be pessimistic. Ill attach a video of it being applied to glass (although the application would be similar for plastic/lexan/polycarbonate), by the manufacturer of the coating I bought. When I said earlier that I was jumping the gun, I was referring to the fact that I dont like to speak of/endorse something that I haven't tested out myself, but I thought in this case that I would throw it out there and tell you the claims that are being made so that you, or anyone, for that matter can look into this technology if they want. I mainly got it for my truck, because I am trying to make weekly washes go quicker. In my research, I couldnt find any cons to these coatings, so I decided to give it a try. In all the manufacturers videos, they display great hydrophobic properties. I dont ride in the rain alot, TBH, but Im hoping it makes washing the bugs off easier. This coating is recommended for the paint, plastic and glass. I have been researching them for a few months and have pulled the trigger on a brand and have just, in-fact coated my ST, not an hour ago. They are a coating that gives all the benefits of waxes and polymer coatings with the bonus of a super hard 'shell', that they claim lasts somewhere between 2-5 years, depending on who you beleive and the conditions you drive/ride in. NanoCeramic coatings are the latest rage in auto detailing. I am going to jump the gun and throw this out here so you can research it more if youd like, as I have.

Amazon rejex bug repellent