Every 2 3 years after they are 10 years old.
13 yr old roof lost 6 shingles in wind.
Every 2 3 years after they are 10 years old.
There are missing shingles missing shingles will need to be replaced right away.
Be sure to align with the shingles of either side.
In lb s old shingle shingle photos taken on the roof itself most of the open pits or craters on shingles where mineral granules have been lost appear to be in relatively flat areas shingles.
If part of a shingle is missing you ll have to replace the whole thing.
And we are not in that windy of area no hurricanes or tornadoes.
Slide the new shingle up into place.
This is not the insurance company s responsibility.
There is no requirement of law that says new shingles have to match the color of old shingles or all the old shingles have to be replaced.
Yearly once the roof is 5 years old.
This extra uplift pressure is generated at the edges by the additional pressures from the secondary movement of the wind as it encounters the wall and then rushes up over the roof figure 1.
Causes effects of loss of protective mineral granules from roof shingles asphalt roof shingle defects.
If a shingle is missing your roof becomes vulnerable to the elements especially wind and rain.
Photos and text guide diagnosis of asphalt roof failures causes effects of loss of protective mineral granules from roof shingles description of different causes of roof shingle granule loss.
When exposed to strong direct sunlight and rapid temperature changes thermal shocks commonly associated with southern states and dessert climate zones think texas arizona oklahoma nevada and parts of california dessert asphalt shingles can develop.
Every 2 years after 15 years.
Even 45 year asphalt shingle roofs start having problems after 20 years.
Normal defective product storm damage foot traffic etc.
Since your roof is 17 years old you would think it would have already occurred by now if it was going to i m not sure how many wind storms occur in your area every year.
When a major storm is coming document the roof s condition before and after.
The maximum wind uplift a 3 tab shingle roof can withstand is 60 mph to 70 mph.
Mineral granules that have been lost to expose shingle substrate in the center of raised blisters will in at least some instances leave a crater around.
Metal roofs and composite shingles.
Clay and concrete tiles.
Wood shingles and shakes.
My old roof was a 20 year asphalt roof that did unzip during a wind rain storm after 25 years plus a few lost shingle tabs a few years earlier.
In some cases the roofing could have been inappropriately installed like being nailed too close to the top of the shingles causing the nails to pop up and raise the shingles.
Since no one will give the insured the same purchase price for a house that has a mis matched roof.
