Flat Roof Hot Mop

The material is back nailed to secure it to the roof and covered by the following ply.

Flat roof hot mop. Built up roofs also known as hot asphalt roofs tar and gravel roofs or multiple ply roofs are among the oldest and most reliable. When the time comes to re roof your home the hot mop option is a common one. Flat roof repairs can cost as little as 300 or up as much as 1000 to 2000 depending on the number of leaks needing repair. Hot mopped roofs are durable low cost options compared with others types of roofs.

They are designed for roofs with shallow pitches where the rise is no more than 4 inches in every 12 inches. Hot mop roofing and torch down roofing are both popular roofing options for flat roofed structures. The asphalt is applied to the roof using a heated mop. Expect to pay between 5000 and 6000 or 5 to 10 per square foot on average for flat roof replacement.

The hot applied asphalt or coal tar pitch blends with the bitumen soaked roof felt and creates a monolithic roof membrane. Hot mop roofs use a combination of felt and asphalt. While the installation process can be a messy one the price is exceptionally appealing to many homeowners. Flat roof replacement prices.

All three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. A modified bitumen cap sheet is then applied to the asphalt and both layers are nailed to the roof. On a sloped roof hot mopping begins by embedding a 90lb felt or modified bitumen cap sheet in hot asphalt. Hot mopped asphalt is applied at approximately 400 degrees fahrenheit.

A hot mop roof is only used on flat and low roofs they are sometimes called tar and gravel roof. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. This is where the professional commercial roofing company is at their most valuable. With a base sheet plus three layers you can expect from 600 850 a square depending on installation requirements.

On a flat roof a mineral surfaced cap sheet or a commercial grade modified bitumen is used and can be torch applied or layered with hot asphalt. Built up roof bur the traditional hot tar and gravel. Built up single ply membrane spray polyurethane foam spf asphalt roll and flat seamed metal roofing. The five types of flat roofs are.

Built up roofs are installed using several layers of a special type of roofing felt that has been asphalt impregnated and embedded in bitumen applied with a hot mop. It involves spreading a layer of hot asphalt on the base layer of the roof. Flat roofs are increasingly popular in modern architecture because of their ability to encompass the long flat lines of a.