Interior Windows with a fire place

Hi,

Hope somebody can shed any light on the possibilities of what my problem could be.

Basically we clean a restaurant inside and out, and when cleaning the outside it’s fine and no issues, however when going to clean the inside, it leaves smears really easily, usually turn marks and sometimes bleeding from the rubber (not a massive amount of smears, but enough to notice it in the right light).

Now it’s exactly the same window, and the exterior doesn’t have this issue, exactly the same technique, however the only difference I can think of is that they have a fire lit everyday in the main restaurant and I wasn’t sure if this puts some weird film or something on the glass which could be contributing to it.

Am I just imagining this or has anyone else experienced it? I’ve bronze wool the Windows and this doesn’t seem to make a difference.

Thanks!

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Ummm, it’s hard to say without seeing it. Have you tried using #0000 steel wool on the window (assuming it has no tint).

Could it be grease? Sometimes if the stores dont have a good hood vent system the windows can be really greasy, even on routine cleanings. But dosen’t explain why it would only be that one window.

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Hi Luke, thanks for the quick response! It’s not just the one window, it’s most of them quite near to the fire place as it’s open planned. I haven’t tried the 0000 steel wool actually so I’ll give that a shot next time and see if it comes up better.

It’s quite a large fire and it’s in the middle of the room with a chimney above it.

I’ll get some pictures next time I’m their to help you visualise it, but they will be in 2 weeks time as we do it every other week.

Thank you!

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I find that when doing the inside of greasy windows and exterior of super salty windows, it is very hard to get a good finish unless I’m using brand new water and solution, a clean washer and new rubber. I’ll usually run a bath towel over the frames and rubber seals first and then again after I’ve washed, then I’ll proceed to squeegee and detail.

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I used to do insurance restoration work and if it is indeed smoke residue on the windows then the best way to clean it was with a degreaser. So maybe try adding a splash of a degreaser to your solution and it may break down the film that’s left on the glass better then just dawn alone.

Just a thought.

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We use this for our everyday soap. Has more slip than regular dawn and removes fingerprints a little better. Worth a try.

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1 teaspoon of TSP to 4 gallons water + your usual soap will cut through that.

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Tsp is some pretty powerful stuff.
Great idea!

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Thank you very much for all the suggestions! Will definitely give them a shot and let you know how I get on!

Thanks

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What is TSP?

Tri Sodium Phosphate, you can find it at any hardware store, usually in the paint section.

It cuts through smoke haze like butter.

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Thank you for prompt answer!

Has the best slip out of any product I’ve ever tried!

Agreed! For some reason I stopped adding it to my mix, got lazy I guess. Recently, I went back to adding a capfull to my solution, man the glide is sweet!

Sorry for the late reply, however due to scheduling and covid, I only got back to the restaurant 2 weeks ago, and I used the TSP solution, and I’m not sure if it’s because the restaurant hasn’t been open for a few months or is the TSP, but the windows was a lot better to clean thank you very much! There was still a slight haze in them, which I’m unsure if it’s just the glass or something else, however they was a lot better with no blade marks this time.

Thanks for all the replies!

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