How Do You Hot Mop A Roof

Hot mop tar and gravel roof system.

How do you hot mop a 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 begin the hot mop process a layer of hot asphalt will be spread on top of the roof s base sheet. A built up hot mop roof consists of layers of felt and asphalt over a bed of rosin paper. Of laundry strength liquid chlorine bleach and water.

Hot mopped roofs are durable low cost options compared with others types of roofs. The hot asphalt is laid out evenly with a large heated mop over the surface. To install torch down roofing roofers roll out sheets of a bitumen containing material. This is the best way to clean a roof if you have asphalt shingles.

At the same time a 90lb felt or modified bitumen cap sheet which is a type of asphalt that is modified with rubber or fiber is applied onto the hot asphalt. You can apply hot mop roofing over old hot mopped roofing or as the first roof on the deck. The process involves melting blocks of asphalt in a large metal cauldron. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.

When applying it as the first roof a base sheet is used to protect the raw wood surface. They are designed for roofs with shallow pitches where the rise is no more than 4 inches in every 12 inches.