What are the damages caused by wind?

felled tree due to wind

What kind of damage can 40 mph winds cause?

Ready? Set! Wwwwhhhhhoooossshhhhh!! Here comes the spring and summer storms with powerful winds. Time to baton down the hatches and sink the anchor folks. It is that time of the year that wind damage to roofs is almost a daily thing, not necessarily to one though.

The National Weather Service defines a wind gust to be a brief increase in speed that comes up suddenly, with the 20 second gusts reaching 18mph at top speed from a lower speed of 10mph.  In this article, we will discuss the signs of roof damage by wind to homes and what to expect when filing a roof wind damage claim.

Winds that reach 40 mph can rip branches of all sizes off trees. As they get stronger and ready 50 mph and up, wind damage to roof shingles are torn off, eaves are lifted and blown away, and the weaker the structure, the more damage is sustained. It is common when winds reach this speed; a High Wind Watch is issued with recommendations not to drive.

What is considered wind damage?

It usually refers the wind damage to roofs and other structures and is usually referred to as “straight-line” winds. The damage straight-line winds cause is often confused with tornado winds. Most thunderstorm damaging winds is on the ground and result from outflow generated by downdraft of thunderstorms. These are winds that reach 50mph and as high as 60mph.

These wind speeds can leave being various types of damage, starting with wind damage to roof tops. This damage leads to gutter problems, leaks, loose flashing, and missing shingles. High winds and storms are not a friend to shingle roofs since most of them are rated at 90 mph winds.

What wind speed causes structural damage?

Winds that reach a speed of 50mpg can cause damage according to the National Severe Storms Laboratory. Here is a timeline of wind speed and the damage that the wind can cause:

  • Winds between 19 mph up to 24 mph, small trees are swaying.
  • Winds between 25 mph up to 31 mph, the large branches start moving, umbrellas turn wrong side out, and a whistling is heard as the blows through overhead.
  • Winds between 32 mph up to 38 mph, entire trees will move, and walking becomes increasingly difficult.
  • Winds between 39 mph up to 46 mph will cause branches and limbs to break and make it difficult to keep a car on the road.
  • Winds between 47 mph up to 54 mph can create light damage to structures, including wind damage to roof tops.
  • Winds between 55 mph to 63 mph, trees are uprooted, and structure damage is considerable.
  • Winds over 64 mph can cause widespread damage to any size of structure.

Is wind damage covered under homeowners insurance?

Now, before any spring weather does any wind damage to roof or other parts of your home, is the time to review your homeowner’s insurance policy. Any part of it that you’re not clear about or understand, call your insurance agent to discuss.

Typically, homeowner’s insurance will wind damage to roof and the structure. That coverage usually includes hail damage, wind-driven rain damage, or snow damage to the inside of your home if there is wind damage to roof or walls.

After the storms have passed and it safe to go outside, walk around your home and check for any signs of roof wind damage. Take notes, take pictures, and call your insurance company. They will have an adjustor come tour your property to assess the damage, including performing a roof inspection for wind damage. 

Shingle roof damage from wind

Wind Damage to Roof and Structure 

What does roof wind damage look like? The first thing you need to know is the force of wind blowing over your roof won’t be uniform. The corners and perimeter edges are more susceptible with the center having less stress, with the wind damage to roof to the center will typically be from flying debris and breaking tree limbs. What if you only notice one small corner sticking up? This is a small start to possibly bigger problems from constant wind exposure.  Here are the basics signs of wind damage to roof tops: 

  • Asphalt/Composition Shingles: broken, curled, damaged, missing granules and shingles.
  • Wood Shakes/Shingles: Curling, decay, mold, or splitting.
  • Flashing: Bent, curled, loose, or missing.
  • Mortar: crumbling and missing.
  • Fascia and Soffits: Decayed and water stains.
  • Gutters: Bent, clogged, decayed, leaking, loose, missing.
  • Chimney: Damaged, missing bricks or flashing, leaning.

 By taking the time now to review your homeowner’s insurance policy, you’ll rest better during a storm because you’ll know you have help waiting for you if needed. As you do your inspection after the storm and have taken notes and pictures and call your insurance agent immediately. They will ask questions and advise you the steps to take in filing a claim online for your wind damage to roof and structure, then assign an adjuster to inspect the damage. When it is time to repair your roof from wind damage, call 888-360-8474 for the experts at VISION CONSTRUCTION.