Physics Engineering Hail Second Layer Roof

Residential roofs are covered by a variety of materials including asphalt shingles metal concrete and.

Physics engineering hail second layer roof. In the same manner your car operates when paint gets chipped rust begins to form. While there are no true hail resistant roofing solutions choosing the right roof covering along with a quality underlayment will help your roof hold up against most of the strongest storms. The past studies in this area of research include experimental and numerical investigations focused on the hail ice itself covering the crushing behavior of hail ice interaction between the hail ice and a target surface and the extent of damage caused by the hail ice. Even though you have a metal roof when a hail strikes with force it can damage the metal and reduce the lifetime of your roof.

Not having visible signs of hail doesn t mean you don t have it. In a hail event a possible scenario is the metal roof gets painted and a piece of hail chips the paint. If you find indentations in siding gutters or chimney caps it is worth taking a second look at your roof. Physics physiology plant science science zoology english.

When a metal roof is hit by hail the. The roof system and differentiate hail damage from non hail damage. From an engineering perspective hail caused dents in steel roof panels that do not disengage seams compromise surface finishes or alter the ability of the panel to shed water would fall under condition 2 and would be considered and reported only as physical alterations. The second step is to quantify the damage on each directional slope by examining test areas.

When rust forms you ve just exponentially increased the amount of weathering that roof surface is going to experience. 1 shows the most common types of damage to metal roof panels subjected to hail impact. As demonstrated in haag s 2010 report ice ball impact testing of roofing materials the typical threshold size for hail necessary to rupture metal panels in good to fair condition is at least 2 5. Doing the research speaking to professionals about your options and making decisions on which factors mean the most to you and your home will help you.

Hail damage to roofing materials is defined as an identifiable mark caused by hail that has measurably reduced the integrity or functionality of the overall material where the material was sound prior to the hail impact. From an engineering perspective hail with sufficient mass hardness and impact energy can dent or rupture tear metal roofing materials. 3 tab 20 yr comp shingle roofing incl felt 2 rfg 220s 3 tab 20 yr comp shingle roofing w out felt 3. It consists of balls or irregular lumps of ice each of which is called a hailstone ice pellets fall generally in cold weather while hail growth is greatly inhibited during cold surface temperatures.

Additional layer comp shingles remove and haul off 3 tab 16.