Hot Mop Roof Vs Peel And Stick

Comes with a warranty that is viewed as above average.

Hot mop roof vs peel and stick.

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. A roofing secret that is gaining some serious traction is self adhered underlayments aka peel and stick. 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. 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. But peel and stick assuming you mean peel and stick roofing not peel and stick water barrier and hot mop are permanent roofing types so unless you mean changing from tile to a membrane roofing which would be pretty rare if the roof slope is enough that the tile worked right for 25 years i fail to understand the question. It involves spreading a layer of hot asphalt on the base layer of the roof. 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.

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. The pros of the hot mop option. The asphalt is applied to the roof using a heated mop. No roof removal required less debris no smell of tar no direct flames on the roof.

If this method is not preferred for whatever reason then there is an option to use a peel and stick. It has been the industry standard for several decades and makes a tough substantial underlayment for your tile. Finding the right self adhered underlayment companyand product for the job is more of a challenge. Good workmanship especially around flashings is critical for a long service life.

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. Less than half the price of a complete new bur roof provides you with a warranty close to that of most basic built up roof systems extend the roof service life and achieve cooling energy savings in hot summers. A 2 ply hot mop underlayment protected from sunlight might last longer.