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 vs torch flat roof.
The material is back nailed to secure it to the roof and covered by the following ply.
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.
In new england where they aren t as common 600 or more per square is standard these prices include installation but not tear off of the old roof.
For instance in hot areas where rainfall is scarce the flat roofing could be constructed with some cement or even brickwork.
In a state like arizona where they are plentiful you can expect to pay less than 300 per square in most cases.
Hot mop or 3 ply torch down system.
When the time comes to re roof your home the hot mop option is a common one.
Cost of a flat roof.
A modified bitumen cap sheet is then applied to the asphalt and both layers are nailed to the roof.
Hot mopping is generally safer and faster than torching.
The pros of the hot mop option.
The life span of torch down roofing is similar lasting 15 to 20 years with proper installation.
But better still why not go epdm.
The asphalt is applied to the roof using a heated mop.
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.
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.
Modified bitumen is really the low end of flat roofing.
Flat roof prices vary widely based on geographic location.
Thats the best way for most flat roofing situations.
Heat welding also referred to as torch down can evaporate surface moisture from the bonding area.
Hot bur is a lot better.
Hot mop are dangerous and messy.
It involves spreading a layer of hot asphalt on the base layer of the roof.
Hot mop roofing has a life span of 15 to 20 years making it a process that you will not soon have to repeat.
On a sloped roof hot mopping begins by embedding a 90lb felt or modified bitumen cap sheet in hot asphalt.