Cement Drips On Windscreen!
Discussion
Thought the inside of my windscreen was dirty from the endless cycles of steam up , clear and outside pollutants... duly cleaned with a microfibre and my usual glass cleaner and finished with a fisheye glass cloth on a dull day thinking great....
Have gone out to work this morning in low sun and realised....its on the outside.
Hazy marks and runs - now believe its the multi storey car park at work dissolving in the rain and dripping onto the car....!!!!
Any tips for removal? Google suggests it's calcium carbonate deposits and to use a white vinegar spray which I'll pick up on the way home.
Update! I used the vinegar spray on a dull day so couldnt see if it had helped....anyway set off in the low morning sun and there's all the marks across the screen.... I thought it looked like it was on the inside again, so grabbed a dry microfibre from the door pocket....and after a rub.....a section cleared..... The inside has been cleaned with glass cleaner twice recently, so I'm now wondering if there's an issue in the windscreen bonding between layers - there's nothing inside the car that can run down the windows - I dont smoke/vape etc! Very strange!
Have gone out to work this morning in low sun and realised....its on the outside.
Hazy marks and runs - now believe its the multi storey car park at work dissolving in the rain and dripping onto the car....!!!!
Any tips for removal? Google suggests it's calcium carbonate deposits and to use a white vinegar spray which I'll pick up on the way home.
Update! I used the vinegar spray on a dull day so couldnt see if it had helped....anyway set off in the low morning sun and there's all the marks across the screen.... I thought it looked like it was on the inside again, so grabbed a dry microfibre from the door pocket....and after a rub.....a section cleared..... The inside has been cleaned with glass cleaner twice recently, so I'm now wondering if there's an issue in the windscreen bonding between layers - there's nothing inside the car that can run down the windows - I dont smoke/vape etc! Very strange!
Edited by MondeoMan1981 on Friday 10th April 07:41
Sometimes staining such as residues left from silicones can stain the glass and can be vert stubborn to shift. Even bleaching can occur but not of the glass but whatever is on it. Think of it as a coating. The more products you add the worse it can sometimes look.
I would try wetting the glass and 'shave' it with a single-edge blade (obviously taking care with the blade edge on the glass as well as how you handle it).
A cream polish might also work, something with Cerium Oxide in it which can give you a cutting action.
I would try wetting the glass and 'shave' it with a single-edge blade (obviously taking care with the blade edge on the glass as well as how you handle it).
A cream polish might also work, something with Cerium Oxide in it which can give you a cutting action.
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