Can shingles be replaced or installed during very cold weather.
How to shingle a roof in cold weather.
Asphalt roof shingles have been used successfully in north american and european cold climates for over a hundred years.
Cold weather changes the way the asphalt shingles seal and an improper seal can cause leaks and wind damage.
Fortunately two layer laminated shingles are most often installed these days and the blow through problem can potentially be reduced slightly when the nails are properly placed in the dual layer area of the shingle.
When it is too cold to roof it can be hazardous to the shingles.
If winter installation is unavoidable most asphalt shingle manufacturers require a specialized adhesive manually applied to each shingle for temperatures below 40 f 4 celsius.
If the weather is forecasted to be cold for an extended period after the roof is installed the shingles sealant adhesive can.
This will make the shingles more pliable and easier to install.
They must wear a harness and have fall protection systems non slip insulated boots gloves and more.
Roofing in cold weather is more dangerous than roofing on a sunny and clear day.
To prevent this when working in below zero temperatures store your materials in a warm place above 50 f or 10 c until right before you need them the canadian asphalt shingle manufacturers association casma adds that shingles will also mould to the shape of the surface they rest on so keep them flat stacked and raised on pallets so they don t touch the ground.
For example in the case of asphalt shingles in roof replacement these shingles can become rigid and inflexible as temperatures drop.
The roof surface is more slippery in winter and roofers need to be fully prepared to stay safe in harsh conditions.
Improved application efficiency and more importantly enhanced long term shingle performance can be achieved by following some of the cold weather application recommendations outlined below.
Knowing this changes the way a reputable roofing company will install composition shingles.
However there are precautions to take into consideration.