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.
One shingle blew off roof.
Generally there are four nails.
In maine exposure to high winds and the harsh winters can all work against the longevity of your shingles.
Remember flat 3 tab shingles are single layer so when they break tear or blow off you have lost your waterproof surface.
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.
The end seams should be lined up about a foot off to one side of the damaged one.
If it is stuck in a corner carefully pry up the next shingle.
This causes shingles to disengage from the roof deck increasing the chances of it to blow off due to inclement weather.
High winds are one of the most common causes of shingles blowing off during a storm.
The sealant strip will be detached first using a pry bar followed by the nails.
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.
Shingle blow off happens with both new and old.
Your roofer will need to lift up the shingle above the one that fell off in order to remove the leftover portion.
Pull up enough shingles to reveal the nails of all the damaged shingles that need removed below.
This post explores what this failure looks like the possible consequences some of the causes and how to ensure this doesn t happen to you.
Blown off asphalt shingles will have portions still stuck on the roof which need removal.
Two holding the missing shingle and two holding the one above it that penetrate the shingle below it.
If it is still stuck check for nails.
A good rule of thumb is to remove at least five tabs in the second row above the damaged 3 tab shingle.
If you hear a ripping sound your prying too fast.
If the shingle is missing altogether remove any debris or remaining nails.
If you have an asphalt shingle roof having the shingles blow off in the wind is one of the ways it can fail.
When water penetrates the roof the roof deck eventually warps or rots.
If a large piece of shingle sticks to the above one that one will have to go too or your roof will bulge.
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.
Structural damage is one of the most common reasons why roof shingles blow off or come loose.
