Roof Granules Purpose

Granules have four functions.

Roof granules purpose.

Roofing granules are in essence what gives asphalt shingles their aesthetic appeal. Purpose of granules on asphalt shingles. Granules in your asphalt shingle are actually small bits of the shingle s top surface. You will notice that newer roofs will have most of the granules still attached to the shingles compared to older ones.

Their main function is to combat the sun s harsh ultra violet rays. The topmost layer of that system is made up of minerals added to safeguard your roof. 8 february 2018 if your home has an asphalt roof you may occasionally see granules fall off the shingles and collect on the ground or in your gutters. The purpose of roof granules.

Roofing granules serve several purposes. Shingle granules provide another layer of protection for your roof. Installation helps to prevent the asphalt shingles from sticking together and provides an improved walking surface for installers. While this can be concerning it isn t always a sign of damage it could also be the result of normal aging.

The blend of colours depth and richness of appearance are nothing short of an individual manufacturer s artistic creation and imagination. Think of it like a thick glove that covers your hand. Installing shingles on your roof system means placing a protective cover from sunlight rain and snow. Depending on the level of granule loss and age of your roof you may be able to replace the damaged shingles without having to get a new roof.

Shingle granules are a small thing that make a big impact on the life and appearance of your roof. Originally bonded to the shingle itself small granules eventually break off creating the gritty mass typically found on top of a roof. Durability granules help to ensure a lasting performance of shingles as they are exposed to harsh weather conditions over the. Granule loss which is uniform across the roof is usually a result of normal weathering.

Over time the bond between the granules and asphalt deteriorates. Uv ray protection appearanc. Although appreciated mostly for their appearance roofing granules serve an even more important role than aesthetics. When this layer starts flaking off the granules come loose.

The purpose of the series mastering roof inspections is to teach home inspectors as well as insurance and roofing professionals. The purpose of roof granules and why they shed. Roof shingle granule loss due to defective roofing product usually exposes the shingle substrate in premature bald patches and is identified by bald spots or exposed shingle substrate on roofs early in their chronological life often distributed uniformly over the roof or in areas of the roof where shingles from a particular pallet of roof shingles were installed.