There’s a newer phenomenon when it comes to roofing solutions.
When you look at price, one would hope so.
An SRM costs around $2-4 per sq. ft., whereas a complete tear off can cost around $6-
8 per sq. ft.
But we know there’s more to it than that (or else there would never be another tear off in
the history of roofing).
In this article we’ll cover:
The costs of each solution and what drives that number
The warranty differences in an SRM vs a complete tear off
The eligibility issues of an SRM
Reasons building owners choose a complete tear off over an SRM
The greatest advantage SRM’s have vs a complete tear off
As stated before, an SRM (Silicone Restoration Membrane) costs anywhere between
$2 and $4 per square foot. Some factors that influence cost are:
Size – the larger the project, the better the economies of scale
Projections – the number of projections can slightly increase costs
Levels – the different number of levels your roof has can slightly increase the
costs
Repairs – how much of the roof is saturated? The saturated sections will
need torn off and replaced with similar material
Seam Health – how much strength is left in the seams? The better condition
your seams are in, the less work that will need to be done.
On a complete tear off, the cost is going to be anywhere from $6 to $8 per square foot.
The cost factors in:
Tear off – the time is takes to completely tear off the existing roof
Dumpster/Landfill – it costs money to haul away and dump the existing roof in
a landfill
Replace – the costs with your new material, labor and installation
R25 – building departments are calling for at least an R value of 25 on new
roofs. This can increase the cost of the project due to the work required
(more material, more labor) to get you to an R25.
In previous years, an R20 would be compliant with building codes.
Now that we know SRM’s have an advantage with costs, let’s look at warranties.
This one is simple to answer.
An SRM is usually granted a 10- or 15-year warranty. On a new roof (say a spray foam
roof), you can get as high as a 20-year warranty.
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