The asphalt is applied to the roof using a heated mop.
Hot mop roof vs peel and stick.
Comes with a warranty that is viewed as above average.
My rule is simple the more the roof is cut up with valleys hips and ridges the greater the need for peel and stick products.
Which is a self adhered material to be modified on sloped roofing.
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.
The pros of the hot mop option.
It has been the industry standard for several decades and makes a tough substantial underlayment for your tile.
It involves spreading a layer of hot asphalt on the base layer of the roof.
A 2 ply hot mop underlayment protected from sunlight might last longer.
Though hot mop installations were the methods of choice thru about 15 years ago self adhered systems are now proving to be the superior underlayment solution.
Finding the right self adhered underlayment companyand product for the job is more of a challenge.
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.
No roof removal required less debris no smell of tar no direct flames on the roof.
A roofing secret that is gaining some serious traction is self adhered underlayments aka peel and stick.
If this method is not preferred for whatever reason then there is an option to use a peel and stick.
When having a roof installed or replaced ask your roofer what he.
The hot mop system is sometimes called the 30 90 system as it consists of 90 rolled roofing hot mopped over 30 felt which is nailed to the roof deck.
With the use of any material the hot mop process is generally very complicated and so the duration of this process may be timely depending on the pitch and total square footage of the roof.
The average lifespan for a 3 ply hot mop roof in florida 15 years.