Yep. The moss would have acted as improved solar protection but it also retained a lot of damp. I will be laying stone chippings back over the roof to protect it but would like to add an additional layer which is waterproof.
Thanks for the recommendation, Crompaol looks promising.
Hi all,
Over the weekend I removed the gravel covering on a flat felt roof. The previous owners had obviously got lazy with there maintenance as I didn't even know there was a gravel covering and had assumed it was a green roof with the inch thick covering of moss over it :(
Now i have...