Guest User
8/16/2016
Hi. I have a fin al metal roof and after 25 years there seems to be a build up of soot from the wood stove chimney. I would like to know how to clean this as it is restricting the ability of snow to slide off the roof. Thanks for your consideration on this matter. DIA
Info @windowsonwashington.net
An informed customer is our best customer.
8/17/2016
Soot and combustion products are typically acidic so a mildly alkali surfactant usually does the job.
Guest User
8/17/2016
Any specific product you would recommend?
Info @windowsonwashington.net
An informed customer is our best customer.
8/18/2016
TSP is a pretty common cleaner.
Guest User
8/22/2016
Thank you for all of your help. I will try that.

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