to get started on info, look at SNOW ROOF information:
http://www.snowroof.com/

Nippins wrote:
I own a southern cement home.

Someone coated the flat roof with a tar coating.

It has long since deteriorated, and leaking has accurred throught the
roof.

I need to clean the roof before applying new coating.

How do I remove this tar coating or make it acceptable for new sealant.

Thanks