Rolled Hot Mop Roof
This roof is actually an arrangement of various layers of felt and asphalt finally topped off with a layer of gravel.
Rolled hot mop roof. To install hot mop roofing roofers lay a synthetic base layer top it with a felt layer then pour liquid tar on the roof and spread this sealing compound with a mop which gives the process its name. To install torch down roofing roofers roll out sheets of a bitumen containing material. If you ve ever seen a hot mopped roof install you ll be thankful your not the one doing it. Hot mop roofing is a very dirty and somewhat dangerous job it s essentially putting molten asphalt tar over a roof.
A built up hot mop roof consists of layers of felt and asphalt over a bed of rosin paper. This hot mop roofing application is seen almost entirely in commercial buildings. It s also called hot mop roofing or built up roofing because of the techniques used. The pros of the hot mop option.
Flashing is used around roof features as required. A modified bitumen cap sheet is then applied to the asphalt and both layers are nailed to the roof. It involves spreading a layer of hot asphalt on the base layer of the roof. Reflective gravel or a cap sheet limits sun damage and improves the roof s appearance.
This is definitely a professional only roofing category. Because of the fumes released by liquefying asphalt hot mopping contributes to smog production.