If the texture is a sparyed-on or roll-on application, there are strippers which will loosen and allow that to be scraped-off. If it is drywall mud, it's not coming off so easily and you will spend m ... read more
+1
Impossible to say without inspecting the roof but some will live quite a long time based on exposure, correctness of installation, ventilation, etc.
There is quite a bit of variance and human cont ... read more