Is There Limestone Filler In Roof Shingles

As a filler limestone is very cheap plentiful and works rather well.

Is there limestone filler in roof shingles.

Unfortunately the limestone filler in most roofing shingles provides nutrients to the algae spores. Well many shingles contain a powdered limestone filler that acts as a food source for algae causing it to survive relatively easily on the top of your roof. The third ingredient nutrients is gained when the spores begin to eat the limestone filler in your roof s shingles. Most cases of roof algae or fungus start with a single spore finding its way to your home.

Unless they are not using fiberglass matting. If it s not taken care of it will take years off of the life of your roofing. All companies use limestone they have too. As a result of this loss of shingle mass the roof loses the ability to reflect heat rays.

This then creates another issue. Its used as a filler in order to keep the shingle flexible and also to help the fiberglass matting absorb the asphalt. Over time as the filler is eaten away the granules protecting the surface of the shingle lose their hold and begin to wash off. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.

There s more algae on roofs today because manufacturers use crushed limestone within the shingle as a filler so they don t have to use as much asphalt. The good news is that algae likely won t cause much damage to your shingles and there are solutions to both treat and prevent the problem. Feeding on the inorganic materials of your roof s materials they ll continue to spread and darken until you get rid of them. The sun and the humidity on your roof give it the first two.

Algae feed on the limestone filler used to give the shingles weight. Algae feed on limestone filler contained in asphalt roof shingles. Here s the deal with limestone. Roof algae is a living thing and it s feeding off of your shingles actually it s feeding off of a limestone filler commonly used in shingle production.