Hot Mop Vs Torch Flat Roof

However the type of materials used for the flat roofs depends a lot on your locality.

Hot mop vs torch flat roof.

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. On a sloped roof hot mopping begins by embedding a 90lb felt or modified bitumen cap sheet in hot asphalt. Flat roofs are one of the most popular roofing designs and yet still one of the best investments for most of the facilities. Hot mop roofing has a life span of 15 to 20 years making it a process that you will not soon have to repeat.

Hot mop are dangerous and messy. If hot asphalt is required for other roofing operations to adhere insulation or a base sheet it s likely more economical to hot mop the cap sheet as well. Heat welding also referred to as torch down can evaporate surface moisture from the bonding area. Modified bitumen is really the low end of flat roofing.

Torch down is extremely dangerous because you use a touch when heating the sheets of roof and a lot of building has been burned down if you don t what you doing. Off the cuff typical range of roof lives not counting repairs if physically pierced maybe 8 20 for built up tar and felt hot mop 10 20 for peel and stick 12 25 or even up to 30 for tpo epdm uv protected pvc like hypalon 30 50 for hdpe. The life span of torch down roofing is similar lasting 15 to 20 years with proper installation. In a state like arizona where they are plentiful you can expect to pay less than 300 per square in most cases.

Hot bur is a lot better. With two comparable life spans those seeking a new roof can t pick a winner on this criterion alone. Flat roof prices vary widely based on geographic location. Hot mopping is generally safer and faster than torching.

For instance in hot areas where rainfall is scarce the flat roofing could be constructed with some cement or even brickwork. Thats the best way for most flat roofing situations. When the time comes to re roof your home the hot mop option is a common one. The pros of the hot mop option.

The material is back nailed to secure it to the roof and covered by the following ply. Cost of a flat roof. The asphalt is applied to the roof using a heated mop. Hot mop or 3 ply torch down system.

A modified bitumen cap sheet is then applied to the asphalt and both layers are nailed to the roof.