Hot Mop Roof System

The fleece backed membrane is fully mopped to an acceptable existing roofing membrane structural concrete deck base sheet or hp recovery board with type iii or iv asphalt or modified asphalt.

Hot mop roof system.

In the past most commercial buildings and other flat top structures including homes were topped with tar and gravel roofing. To install torch down roofing roofers roll out sheets of a bitumen containing material. It protects your base sheet and keeps your roof watertight by acting like a secondary water barrier between the dry in materials and the tiles. It s also called hot mop roofing or built up roofing because of the techniques used.

Any benefits to one versus the other. A built up hot mop roof consists of layers of felt and asphalt over a bed of rosin paper. It may seem simple enough but there are a number of variations to which this system can be applied. I have given a bid for a 3 ply system the customer has a cheaper bid for a 2 layer hot mop with the modified bit cap sheet.

Hot mopped roofs are durable low cost options compared with others types of roofs. Most commercial building and flat top structures use a hot mop roofing system which involves the application of tar and gravel layers that are applied to a felt or asphalt sheet. This roof is actually an arrangement of various layers of felt and asphalt finally topped off with a layer of gravel. The hot mopped roofing system utilizes sure seal black afx fleeceback or afx fleeceback plus membrane.

Installation process 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. We don t do the hot tar so i would like to convince the customer to use us. Note that roof systems typically include more than one type of material a built up roof for example will typically include the built up membrane itself with or without gravel as well as some kind of insulation and cover board which will vary in thickness from roof to roof.