Generally there are four nails.
One shingle blew off roof.
A good rule of thumb is to remove at least five tabs in the second row above the damaged 3 tab shingle.
If it is stuck in a corner carefully pry up the next shingle.
The sealant strip will be detached first using a pry bar followed by the nails.
Using the pry bar remove the damaged shingle and old nails that may be still attached to the roof.
Structural damage is one of the most common reasons why roof shingles blow off or come loose.
Remember flat 3 tab shingles are single layer so when they break tear or blow off you have lost your waterproof surface.
In maine exposure to high winds and the harsh winters can all work against the longevity of your shingles.
If the shingle is missing altogether remove any debris or remaining nails.
That s because this type of roof shingles standard 3 tab asphalt shingles are installed side by side with the next upper row of shingles covering the side seams between the lower row of shingles.
Where one shingle tab blew off your roof you have a 1 in 3 chance that the missing shingle was sitting directly above an open seam between the shingles below.
Two holding the missing shingle and two holding the one above it that penetrate the shingle below it.
The life expectancy of shingles in maine is 20 years but weather location and maintenance all play a role on how long your shingles will last.
If a large piece of shingle sticks to the above one that one will have to go too or your roof will bulge.
Pull up enough shingles to reveal the nails of all the damaged shingles that need removed below.
Shingle blow off happens with both new and old.
If you have an asphalt shingle roof having the shingles blow off in the wind is one of the ways it can fail.
Carefully pull the shingle down the slope of the roof not up and not horizontal.
Blown off asphalt shingles will have portions still stuck on the roof which need removal.
If it is still stuck check for nails.
Next go in the attic under the approximate spot and look for any signs of daylight peeping through any holes in the roof water leakage damage boards turned dark or boards bowed and or sagging in between the roof rafters.
This causes shingles to disengage from the roof deck increasing the chances of it to blow off due to inclement weather.
If you hear a ripping sound your prying too fast.
The end seams should be lined up about a foot off to one side of the damaged one.
Your roofer will need to lift up the shingle above the one that fell off in order to remove the leftover portion.
Next thing you know nails and adhesives start to come loose.
