Pvc Roof Hail Damage

The other sample is of large hail damage taken from a roof in fort worth texas where the roof membrane had 42 months in exposure.

Pvc roof hail damage.

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. 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. The best way to describe hail damage on a pvc roof is in terms of a fracture rather than a puncture or tear. Gutters are also susceptible to hail damage.

Pvc membranes are highly puncture resistant and almost impossible to tear but with large enough hail usually at least 3 4 the membrane can become fractured from the impact. Because seamless gutters are frequently feature aluminum or copper construction the signs of hail damage include telltale denting. Roofs with multiple shingle layers may be damaged by smaller hail stones due to a softer support surface directly under the top shingle layer. Hail storms can cause a wide range of damage to your roof and your property in general.

Impact testing which correlates with hailstones indicates a concentric circular fracture pattern or star shaped fracture within the top ply of tpo and pvc membrane. Photo 1presents two samples of impact fracture on pvc roof membranes both from hail.