Tpm Epdm Roof Difference

If you are thinking of getting a new roof for your rv these two options are your best bet.

Tpm epdm roof difference.

Which one is best for you. 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. Regardless of which membrane you choose it is better to spend more money and invest into a thicker membrane. 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. The first option is to mechanically fasten the epdm roof down. It s important to factor in the thickness of any membrane when weighing up the costs thicker will generally cost more. Unlike tpo some epdm roofs are ballasted meaning there s loose gravel that s laid down over the epdm.

For that reason epdm roofs tend to be more economical which is especially true when a single ply roofing membrane is required. Simply clean the membrane and heat weld directly to it. Tpo is thermoplastic so you can heat weld seams and it s ideal for repairs. Manufacturers add fiberglass and talc to tpo roofing to improve their durability.

Tpo roofing membranes are more expensive than epdm. Epdm roofs are the most economical choice for single ply roofing membranes. In epdm vs tpo comparison the latter also has a wider variety of color options available. 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. 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. Both epdm and tpo roofs perform better and last longer if they are thicker.

Epdm roofing is most commonly known as rubber roofing rubber membrane roofing or rolled rubber roofing. 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. Tpo roofing has roughly the same lifespan as epdm roofing with both usually lasting 22 30 years. Epdm vs tpo is at par with longevity with tpo having roughly the same lifespan as epdm with 22 30 years.

Tpo and epdm might look the same when they are installed but they are vastly different in terms of construction and features.