Hot Mop Roof Layers How Many

The hot asphalt is laid out evenly with a large heated mop over the surface.

Hot mop roof layers how many.

Slate roofs national slate association 1926. A modified bitumen cap sheet is then applied to the asphalt and both layers are nailed to the roof. The pros of the hot mop option. Good workmanship especially around flashings is critical for a long service life.

Because installing hot mop roofing involves so many steps and requires the roofers to toil over molten tar the process is often more difficult than torch down roofing. It s also called hot mop roofing or built up roofing because of the techniques used. The asphalt is applied to the roof using a heated mop. To install hot mop roofing roofers lay a synthetic base layer top it with a felt layer.

Hot mopped roofing cost vary depending on the quality and layers of roofing you are having applied. Advantages of torch down roofing. A built up hot mop roof consists of layers of felt and asphalt over a bed of rosin paper. With a base sheet plus three layers you can expect from 600 850 a square depending on installation requirements.

Torch down roofing on the other hand consists of fewer steps and. This may sound simple but there many different possibly hundreds of variations of built up and hot mop roofing. There are many advantages to torch down roofing. 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.

Slate roofing 3 16 inch slates. This creates various layers which are then finished with a layer of gravel. Slate roofing 3 8 inch slates. The average lifespan for a 3 ply hot mop roof in florida 15 years.

Comes with a warranty that is viewed as above average. Slate roofs national slate association 1926. A 2 ply hot mop underlayment protected from sunlight might last longer. Slate roofs national slate association 1926.

It involves spreading a layer of hot asphalt on the base layer of the roof. Hot mopped roofs are durable low cost options compared with others types of roofs. Usually hot mopped is less expensive to install than torch down. To begin the hot mop process a layer of hot asphalt will be spread on top of the roof s base sheet.

This hot mop roofing application is seen almost entirely in commercial buildings. On a flat roof the top layer should should have gravel a mineral surfaced cap sheet or a reflective aluminum coating. A hot mop roof is only used on flat and low roofs they are sometimes called tar and gravel roof while the installation process can be a messy one the price is exceptionally appealing to many homeowners. They are designed for roofs with shallow pitches where the rise is no more than 4 inches in every 12 inches.

Hot mop roofs use a combination of felt and asphalt.