A wet installation can also cause a new roof to fail.
Roofing shingles in the rain.
This shortens the effective life of the shingles and can adversely affect the roof sheathing.
But once the underlayment is in place the roof is protected.
Shingles that are left exposed to rain and then installed may violate the manufacturer s warranty and may fail early possibly due to the effects of temporarily trapped moisture at the time of application.
Shingles and roofing materials may not adhere properly to slick surfaces with high humidity.
For some reason never noticed any problems roofing in the rain frozen decking with staples they seemed to stay in the roof better.
Roofing during wet weather is just part of the job in the great pacific northwest.
Note that you should never shingle over bare wood like a bird s feathers shingles shed the qwater but are not watertight especially in windblown rain or melting snow conditions.
If the sheathing or wood is wet during the time of installation it can trap moisture inside of your roof leading to mold rot or other severe problems.
Roofing felt applied over a wet roof deck or shingles applied over wet roofing felt traps a layer of moisture within the roof.
This moisture can lead to mold and mildew forming underneath the shingles.
You need a water barrier under them like roofing felt old school or a synthetic water barrier or roof shield or roof wrap breathable membrane.
In the midst of your roof installation joe hall roofing can weatherproof your roof.
Roofing in the rain not only means you or your roofing experts will be extremely wet uncomfortable and exposed to more risk but it also means that your new roof could have less integrity than if it were installed in dry conditions.
This is not ideal.
Roofing in the rain.
Believe it or not shingles are not quite waterproof and depend on roof slope to shed water effectively.
Roofing felt that has gotten wet can be covered with shingles as long as it is allowed to dry out first the surface underneath did not get wet and it did not wrinkle bubble or rip.
If we only performed roof installations during dry weather we d have nothing to do for six months of the year.
If the felt or liner of your roof gets wet and shingles are installed on top of it then moisture will get trapped inside.
While the completed shingles may not be in place during an unpredicted rainstorm there should be a protective layer on your roof that keeps rain from getting in.
Rain effects on asphalt shingles.
Roof replacement is expensive.
Shingle granules are less prone to damage shingles are made of asphalt and have small ceramic granules embedded into the asphalt to make them waterproof.
Roofing in the rain is bad.
Nails will pop over time.
Nature has a mind of its own.