Does air pollution damage stonework?

Question

Can air pollution damage stonework?

Fred · Answer

Yes . Specially sometimes on the chimney  wall ,when hit and Air pass through the stones wall or bricks ..
If its open areas won't affect it .in my opinion and what I have seen

Rob · Answer

Over long periods of time, Air pollution will cause a build up of carbon deposits that will stick to stone work which will cause soiling.
So If not cleaned regularly, damage will occur eventually.

Greg · Answer

Yes,
Softer more and more calcium rich stones are particularly vulnerable to acidic pollutants, nitrogen, carbon and sulphur oxides famously attack in this way. 

The petrochemical exhausts in our busiest traffic areas are the worst culprits. Therefore you will see many monuments and important buildings being affected in cities. 
Good luck with your issues.

Julian · Answer

Many types of pollution can alter the appearance or discolour stone work , most common.is pollution from road traffic fumes and algae or moss from North facing ,

Does air pollution damage stonework?

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