Asphalt Shingle Roof Wind Damage

It is at these locations that wind uplift damage initiates especially with asphalt shingles that are not well bonded fig.

Asphalt shingle roof wind damage.

Understanding of what damage is a roof shingle is damaged by hail or wind when its value usefulness or normal function has been lessened weakened reduced or diminished. However there are many issues with asphalt roofing shingles that are falsely attributed to wind damage marshall 2010. Most shingles carry a wind resistance rating of 60 miles per hour as tested under astm 3161 or ul 997 while specialty shingles may be rated to as much as 130 miles per hour. At this speed wind will cause widespread damage to trees flip mobile homes and cause significant roof damage to commercial buildings and homes.

Wind resistance is one of the things you may have noticed if you ve been shopping around for a new asphalt shingle roof. When determining if a roof has been damaged by understood. In previous years paying a non meritorious claim for alleged hail or wind damage to an asphalt shingle covered roof might have been a prudent economic decision to resolve a few scattered or relatively inexpensive claims. Signs of wind damage on asphalt shingle roofs.

First a wind induced pressure differential between the front and back of a shingle i e uplift force has to occur such that the factory applied adhesive fails. Both function and orm need to be evaluated. Workmanship and wind damage assessment for asphalt shingle roofs. Large swatches of exposed underlayment where shingles have been blown off.

December 28 2018 by neil cagle. However uplift pressures are not uniform and are highest along the windward corners rakes eaves and ridges fig. Wind damage mechanism. However the dramatic increase in the number and the scope of the claims being filed for hail or wind damage to shingles may.

After a severe weather event significant wind damage to a roof may be highly visible such as. Refer to figure 1. A high wind resistance rating generally means your residential roofing system should be able to withstand the following effects. Wind interacting with a roof is deflected over and around it.

How does the wind affect asphalt shingle roofs. Pre existing conditions must be considered. Granule loss or actual shingle damage may occur on a roof being walked on. Asphalt shingle roof damage from walking on fragile roof surface.

What some would call wind damaged shingles are actually results of poor installation natural aging weathering cold weather roofing faulty glue and expansion or contraction due to climate changes. When considering if wind related damage to asphalt composition shingles can be hidden or not visually apparent one must consider how damage to a shingle occurs. Walking on any asphalt shingle roof loosens some of the mineral granules from their attachment embedded in the asphalt used to impregnate and coat the shingle. A puncture from a fallen tree limb.

Identifying wind damage to your roof if you ve recently experienced winds of 45 mph or higher then call us and we will get outside and take a look at your roof for some of the common signs of roof. As a result uplift pressures develop on the roof.