For that reason epdm roofs tend to be more economical which is especially true when a single ply roofing membrane is required.
Tpm epdm roof difference.
It s made of a mixture of recycled tires sawdust and slate dust and runs roughly 80 a square foot making it one of the least expensive types of roofing on the market today.
Both epdm and tpo roofs perform better and last longer if they are thicker.
Tpo roofing has roughly the same lifespan as epdm roofing with both usually lasting 22 30 years.
Tpo roofing vs epdm roofing which roofing system is best for your building the fact of the matter is that both of these.
Unlike tpo some epdm roofs are ballasted meaning there s loose gravel that s laid down over the epdm.
Epdm cannot be welded and cannot be re taped when the weather is too cold to use primer and adhesives requiring a temporary fix until the weather warms up.
If you are thinking of getting a new roof for your rv these two options are your best bet.
Epdm roofing is most commonly known as rubber roofing rubber membrane roofing or rolled rubber roofing.
Tpo is thermoplastic so you can heat weld seams and it s ideal for repairs.
Mechanical installation for optimum roof security contractors use the mechanically attached system when installing tpo on flat roofs.
For most rv roofing projects a tpo membrane is going to cost you more than an equivalent epdm membrane.
Tpo roofing membranes are more expensive than epdm.
Since the previous epdm was ballasted there is nothing holding that rubber down.
Tpo is much lighter and easier to install but epdm is a whole lot cheaper and lasts longer.
One advantage tpo roofing has over epdm roofing is enhanced durability.
Epdm vs tpo is at par with longevity with tpo having roughly the same lifespan as epdm with 22 30 years.
It s important to factor in the thickness of any membrane when weighing up the costs thicker will generally cost more.
Which one is best for you.
The first option is to mechanically fasten the epdm roof down.
Regardless of which membrane you choose it is better to spend more money and invest into a thicker membrane.
To restore a ballasted epdm roof there are two options.
The main difference between tpo and epdm roofing is that the durability of epdm is higher while tpo has a better reflection of sunlight.
Simply clean the membrane and heat weld directly to it.
Manufacturers add fiberglass and talc to tpo roofing to improve their durability.
How can you repair or restore a ballasted epdm roof.