Hail Damage To Epdm Roofing
Inspector say no functional damage yet haag states this is functional damage.
Hail damage to epdm roofing. W when epdm roof coverings do sustain damage surface cracks can occur similar to thermoplastic membranes. A sound epdm roof covering can withstand impact by hailstones up to 2 inches in diameter. Wood shingles hail damage. In the absence of catastrophic hail or wind damage a new premium epdm roof can last up to 50 years.
There are visually distinct damage characteristics in the various materials. Asphalt and or mat that appears shiny. Hail hits that are black in color. Adhered and mechanically attached epdm membranes can sustain impact from hailstones up to 2 inches in diameter.
The most effective way to minimize hail damage is to choose durable hail resistant roofing materials. Epdm is a resilient material with good flexibility properties. 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. Asphalt and composition shingles hail damage.
Failure of a roof membrane due to hailfall can result in flooding and damage to inventory and equipment. This white paper will review the hail protection performance of several roofing systems especially an epdm ethylene propylene diene terpolymer roofing membrane. How to recognize hail damage to roofing membranes. Hail hits that are soft to the touch like the bruise on an apple.
Epdm 45ml flat roofing system we had 2 75 to 3 hail hit a floating system with 30 to 60 hits per sq but no penetrations. 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. So my question hail damage or not hail damage. Gutters are also susceptible to hail damage.
Loss of granules which may expose the roof felt. Because seamless gutters are frequently feature aluminum or copper construction the signs of hail damage include telltale denting. Random damage with no discernable pattern. Random damage with no discernable pattern.
On what type of surface can you install edpm roofs. Insulation is busted all the way through as well as second layer damaged. Here are the top hail resistant roofing options available for modern homes. Based on field observation and this test data it was clear that epdm roof membranes outperform other roof systems in terms of hail protection.
Protecting against hail damage is one of the ultimate tests of any roofing system. Hailstorms can cause catastrophic damage to roofs especially when they are made from materials that aren t designed to hold up to high impact debris. Controlled laboratory testing and field experience has found that hail smaller than 2 inches in diameter lacks sufficient mass to damage a sound ballasted roof covering. In extreme instances hail may puncture the epdm if the underlying substrate is soft or malleable.
How is an epdm roof installed.