Sand That Washes Off Roof Shingles

The little gravel pieces are red.

Sand that washes off roof shingles.

Most roofing shingles nowadays are composite asphalt fiberglass with the topical sand as a uv barrier and coloring. Granules were added to the design of shingles because of mainly these reasons. The color stones on my asphalt roof shingles are flying off like crazy with a bit of black showing. Shingle sediment is made up primarily of sand like granules or grit that separate from asphalt shingles and other small matter that sticks to the roof surface and washes into gutters.

Granules naturally separate from shingles over its life. Asphalt shingles are desireable as a recylcing material so not so much a landfill concern anymore. Gravel washing off shingles normal. The shingles have been on for about 10 years.

So although there is a short list of raw materials in asphalt roofing shingles each serves a key purpose. They help keep ultraviolet rays off the shingle s asphalt coating. And so for many years some rookie installers thought peeling off the release film exposed sealant that was needed for shingle adhesion on the roof but that s simply not true. Steel has it s own problems and isn t architectually desirable in many cases.

Causes effects of loss of protective mineral granules from roof shingles asphalt roof shingle defects. Aging shingles lose granules hence becoming more prone to damage to the home. They protect from algae fungus and moss from growing in between shingles and crevices. Uv rays can cause a lot of damage.