Does your Frisco Roof Have Proper Ventilation? Part 2 Attic Ventilation Systems, Part 2 by Kenton Shepard and Nick Gromicko PASSIVE SYSTEMS Passive vents require no electricity, but their effectiveness often depends on their being properly designed for a specific home site. A well-designed passive ventilation system has an intake device located low in the roof, with an
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Does your Frisco Roof Have Proper Ventilation? Part 1 Attic Ventilation Systems, Part 1 by Kenton Shepard and Nick Gromicko Roof Structure Ventilation Well-ventilated roof structures use air movement to exhaust heat from the attic or roof structure to the outside. Poor roof ventilation can shorten the long-term service life of certain types of roofing
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Is your Frisco Roof Suffering from Moisture? Moisture Problems by Kenton Shepard and Nick Gromicko The primary purpose of the roof-covering material is to keep moisture out of the home. Too much moisture in the home can cause a number of problems. Material Damage: Decay, Corrosion and Leakage Moisture can damage many different kinds of materials
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McKinney Roofing – Wind Damage, Part 6 by Kenton Shepard and Nick Gromicko PERFORMING a WIND-DAMAGE INSPECTION The same basic procedure is followed when inspecting for both wind and hail damage. The inspection starts at the ground-level. As you inspect the home’s exterior, you’ll be looking for wind-caused collateral damage, including damage to the home’s
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McKinney Roofing – Wind Damage, Part 5 by Kenton Shepard and Nick Gromicko WIND DAMAGE CHARACTERISTICS Direct and Indirect Damage Determining Wind Direction Material Condition Building Characteristics Mitigating Factors Wind damage can be broken down into two basic types: direct and indirect. Direct damage occurs in conditions where roofing materials have been blown off, or have been damaged
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McKinney Roofing – Wind Damage, Part 4 by Kenton Shepard and Nick Gromicko MITIGATING FACTORS Mitigating factors are variables which influence the amount and nature of roof damage. Damage is not always limited to one factor. Variables can combine in different ways to create unique conditions. Some variables, such as air density and the pattern of wind
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McKinney Roofing – Wind Damage, Part 3 by Kenton Shepard and Nick Gromicko HOW WIND CREATES DAMAGE UPLIFT One of the destructive forces created by wind is uplift, which is the tendency of materials to be lifted into a wind-created vacuum. Uplift can be created by either of two physical conditions: loss of laminar flow,
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McKinney Roofing – Wind Damage, Part 2 by Kenton Shepard and Nick Gromicko FACTORS AFFECTING WIND SPEED Wind blows faster in open areas where there’s nothing to slow it down. The 2006 IRC (International Residential Code) lists four Wind Exposure Categories, labeled A, B, C and D, according to the degree of obstruction offered by
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McKinney Roofing – Wind Damage, Part 1 by Kenton Shepard and Nick Gromicko Courtesy of Mike Hollingshead We know that hail is associated with storms. Usually, storms that drop hail also bring wind, as low-pressure fronts move in and out of the area. You may see damage from either one during an inspection. WHAT CAUSES WIND?
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Allen Roof Wind Damage How Wind Damages Roofs By Naomi Mill, Associate Editor – October 2010 When the wind is screaming, rain is driving down in five-gallon buckets, or hail is pinging off the ground like popcorn, you know your roof is taking a beating. But when the wind goes from shriek to howl, do you really
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