Tpo compounds have changed in recent years so it is impossible to say how long current roofs will last but a general estimate puts a tpo roof between 10 and 20 years.
Hail damage to tpo roofs.
The most effective way to minimize hail damage is to choose durable hail resistant roofing materials.
This is due in part to the fact that the top layer of the material is laminated.
Asphalt and composition shingles hail damage.
Here are the top hail resistant roofing options.
Frontier roofingstar shaped fracture to thermoplastic membranefrom hailstone impact.
The loss of protective granules exposes underlying asphalt to damaging sun rays.
Wood shingles hail damage.
Hail hits that are black in color.
Random damage with no discernable pattern.
If your roof contains one layer of common asphalt shingles it usually takes a 1 or above diameter hail stoneto cause damage roof hail damage.
Gutters are also susceptible to hail damage.
Hail damage on these types of roofs will be round strikes and indented pretty good.
Random damage with no discernable pattern.
Roofs with multiple shingle layers may be damaged by smaller hail stones due to a softer support surface directly under the top shingle layer.
Displacement of granules occurs when granules have been knocked off by the impact of hail stones hitting the roof.
Hail is a powerful force of nature that can even damage roofs made with concrete tiles if the stones are large enough and wind speeds are high.
Tpo although i can t say i ve personally seen a hail damaged tpo but i have seen hail damaged pvc and i would expect it would act similar.
Top 3 hail resistant roofing options.
Because seamless gutters are frequently feature aluminum or copper construction the signs of hail damage include telltale denting.
Concentric fracture to thermoplastic membranefrom hailstone impact.
Hail damageto tpo pvc membranes is typically evidenced byconcentric circular fractures or star shaped fractureswithin the top ply of the membrane.
Thermoplastic membranes like pvc and tpo can withstand impact from hailstones up to 1 inches in diameter depending on the condition of the roof system.
Loss of granules which may expose the roof felt.
Hail hits that are soft to the touch like the bruise on an apple.
Hail damage to asphalt shingles may consist of punctures tears fractures bruises or the more common displacement of granules.