Cracked shingles occur as a result of inclement weather conditions age and wear over time.
Roof shingles have many weather cracks.
The adhesive on shingles may also fail to stick in cold weather and may not become fully adhered to the roof until summer.
Find and fix the cracks.
Many years ago some shingle manufacturers promoted fire resistant roofing materials that were made using asbestos fibers within the shingles reinforcement.
However shingles containing asbestos were phased out in the 1960s and asphalt shingles were made fire resistant using safer inert mineral stabilizers.
So splits or cracks can occur in both organic mat based and fiberglass mat based asphalt roof shingles.
Cracked or split shingles may be repaired without removing them provided they re still in good condition.
See organic felt shingle normal wear for details about normal wear splits or cracks and granule loss in organic roof shingles.
Fixing cracks is another part of the process in which roofing sealant is immensely useful.
Here we ll take you through the three most common ones.
Also see organic felt shingle defects for other wear signs on organic mat asphalt shingles.
And multilayered architectural shingles are the toughest of the bunch with some.
If the shingles in the area surrounding the damage are old brittle and dry it s probably not worth taking the care to re secure them to the roof.
However in many cases cupping and curling roof shingles is a sign of inadequate insulation and ventilation in the attic.
The shingles will be more supple and less likely to crack.
You can learn more about securing the shingles in the following section.
The steps for repairing a cracked or bent shingle include.
And never climb onto a roof that s wet icy or covered with morning dew.
Also if the problems are not extensive the roof may still have life left in it.
Cracking granule loss in asphalt overlay appliqué shingles widespread cracking and irregular but sometimes circular shaped areas of granule loss in the surface of the shingles at the asphalt overlay result from the excessive differential shrinkage of the asphalt overlay and the poor bonding of the asphalt overlay to the underlying layer of granules during the manufacturing process.
And repairing shingles that have cracked.
Architectural laminated shingles have several layers and can withstand stronger winds and weather than 3 tabs.
Gluing down a badly curled shingle.
If heat builds up in the attic and is not relieved by a ridge.
It may be possible to repair these shingles rather than replacing them.
Be old and solar and weather conditions may have simply got the best of them over time.
Depending on the amount of damage you might only need to to find the cracks and mend them.
Fiberglass shingles are some of the most likely shingles to break in cold weather.
Spread some sealant both underneath and on top of the crack.
Always make roof repairs on a warm dry afternoon.
