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The roof cleaning of fiberglass shingles Streaking on a roof Roof cleaning being performed using a soft-wash system. Roof cleaning is the process of removing algae, [1] mold, mildew, lichen and moss from roofs. [2] Also cleaning oxidation on metal roofs. Cleaning can extend the duration of a roof's ability to function. [2]
This particular type of cyanobacteria is responsible for creating black stains and streaks on roofs. [1] The bacteria accumulate over time as it feeds on moisture and calcium carbonate . [ 2 ] This accumulation begins to show the black stains as the cyanobacteria develop their dark and hard UV -protective outer coating.
Audouinella, also known as black algae, [1] is a widespread genus of red algae, found in marine and freshwater environments. [ 2 ] The form known as " black brush algae " (or " black beard algae ", BBA for short) is a particular nuisance in aquaria , since most algae eater fish and invertebrates avoid it.
Asphalt shingles on a home in Avalon, New Jersey. Two types of base materials are used to make asphalt shingles, organic and fiberglass.Both are made in a similar manner, with an asphalt-saturated base covered on one or both sides with asphalt or modified-asphalt, the exposed surface impregnated with slate, schist, quartz, vitrified brick, stone, [6] or ceramic granules, and the under-side ...
Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United ...
This removal of algae has the effect of removing undesired nutrients from the water because the algae used the nutrients in order to grow. The algae is generally removed either: Every 7 to 21 days, or; When it is black, or; When it fills up the scrubber, or; When it starts letting go, or; When nutrients start to rise in the water.
A ridge vent is a type of vent installed at the peak of a sloped roof which allows warm, humid air to escape a building's attic. Ridge vents are most common on shingled residential buildings. Ridge vents are also used in industrial warehouses to help release the hot air and help circulate comfortable air inside the building .
An asphalt shingle roof has flexible asphalt shingles as the ridge cap. Some roof shingles are non-combustible or have a better fire rating than others which influence their use, some building codes do not allow the use of shingles with less than a class-A fire rating to be used on some types of buildings. Due to increased fire hazard, wood ...