Built up felt system.
Built up felt systems are mainly based on a three layer felt covering. Insulation can also be incorporated into the system. Skyline Roofing Company always work to the manufacturers guidelines:
1) The first layer is partially bonded in hot bitumen, or mechanically fixed into place.
2) The second layer is bonded using hot bitumen in either a pour and roll or torch on felt procedure.
3) The top layer of felt has a mineral finish and comes in a range of colours.
You can have a solar reflective paint finish or a limestone chipping finish. Built up felt systems come with a fifteen-