Liquid Rubber EPDM for Flat Roofs

I would like to get some comments on Liquid rubber as a repair. Also is there more than on manufacturer of this application.

Thanks

JoeW http://www.rooferscoffeeshop.com/rcs/users/joebos2/

it's good to line gutters or iregular metal surfaces.As far as flat roofs go it's a lot more expensive than buying the factory made epdm membrane.