I was doing a roof inspection the other day and I took these pictures. Black spots are in certain areas. Is this ok? When I run my hand across the spots there is a gritty feeling. They have be...
If wondering, I have a 2006 (made in late 2005) TT and plan to apply liquid rubber roof within the next 2 years (when roof is at its 10 year mark). Apply new liquid rubber roof coating before EDPM roof "base" is too far gone.