According to roofing contractors the granules physically block and limit the amount of sunlight and heat that can be absorbed by the individual shingles.
Purpose of roof granules.
Granules also add increased fire resistance to your roof offering another layer of protection to your home.
Specifically granules protect and preserve the asphalt shingle from solar ultraviolet radiation.
One important function of granules is to protect the roof from uv exposure that causes gradual deterioration of the shingles.
The job of these mineral granules which are adhered to the roof shingle surface as part of the shingle manufacturing process is to protect the shingle from sunlight from uv light and from the weather in general.
It will absorb the sun s energy more effectively during the day and shed it at night keeping your home at your desired temperature.
Uv ray protection appearanc.
Roofing granules serve several purposes.
Basically it increases ruggedness against water ice snow and climate.
Durability granules help to ensure a lasting performance of shingles as they are exposed to harsh weather conditions.
The purpose of roof granules installing shingles on your roof system means placing a protective cover from sunlight rain and snow.
Although appreciated mostly for their appearance roofing granules serve an even more important role than aesthetics.
They also add a layer of fire protection to your home.
This helps reduce the chances of the shingles warping or curling which is often caused by uneven temperature distribution among the top and bottom layer of the shingles.
Think of it like a thick glove that covers your hand.
Granules have four functions.
Granules make the shingles more durable so they can be stacked safely while in storage and during transportation.
What s the purpose of a granulated surface on a shingle.
The topmost layer of that system is made up of minerals added to safeguard your roof.
Roofing granules serve the function of protecting the integrity of the shingle from the elements.