Rolled Hot Mop Roof

Flashing is used around roof features as required.

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. This roof is actually an arrangement of various layers of felt and asphalt finally topped off with a layer of gravel. This is definitely a professional only roofing category. The asphalt is applied to the roof using a heated mop.

To install torch down roofing roofers roll out sheets of a bitumen containing material. Comes with a warranty that is viewed as above average. It involves spreading a layer of hot asphalt on the base layer of the roof. It s also called hot mop roofing or built up roofing because of the techniques used.

This hot mop roofing application is seen almost entirely in commercial buildings. In the past most commercial buildings and other flat top structures including homes were topped with tar and gravel roofing. Hot mop roofing is a very dirty and somewhat dangerous job it s essentially putting molten asphalt tar over a roof. Because of the fumes released by liquefying asphalt hot mopping contributes to smog production.

Reflective gravel or a cap sheet limits sun damage and improves the roof s appearance. If you ve ever seen a hot mopped roof install you ll be thankful your not the one doing it.