This may sound simple but there many different possibly hundreds of variations of built up and hot mop roofing.
Hot mop roof layers how many.
Hot mopped roofing cost vary depending on the quality and layers of roofing you are having applied.
Good workmanship especially around flashings is critical for a long service life.
However roofing professionals installing a hot mop system may be exposed to fumes longer and need to take precautions to protect themselves.
A 2 ply hot mop underlayment protected from sunlight might last longer.
It s also called hot mop roofing or built up roofing because of the techniques used.
Slate roofing 3 8 inch slates.
This roof is actually an arrangement of various layers of felt and asphalt finally topped off with a layer of gravel.
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.
To install hot mop roofing roofers lay a synthetic base layer top it with a felt layer.
A modified bitumen cap sheet is then applied to the asphalt and both layers are nailed to the roof.
On a flat roof the top layer should should have gravel a mineral surfaced cap sheet or a reflective aluminum coating.
There are many advantages to torch down roofing.
Hot mop roofs use a combination of felt and asphalt.
Slate roofing 1 4 inch slates.
This creates various layers which are then finished with a layer of gravel.
Comes with a warranty that is viewed as above average.
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 involves spreading a layer of hot asphalt on the base layer of the roof.
Advantages of torch down roofing.
The average lifespan for a 3 ply hot mop roof in florida 15 years.
The asphalt is applied to the roof using a heated mop.
A built up hot mop roof consists of layers of felt and asphalt over a bed of rosin paper.
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.
Usually hot mopped is less expensive to install than torch down.
Slate roofs national slate association 1926.
Hot mopped roofs are durable low cost options compared with others types of roofs.
With a base sheet plus three layers you can expect from 600 850 a square depending on installation requirements.
This hot mop roofing application is seen almost entirely in commercial buildings.
To begin the hot mop process a layer of hot asphalt will be spread on top of the roof s base sheet.
Slate roofs national slate association 1926.
Slate roofs national slate association 1926.
The pros of the hot mop option.
