Algae On Roof Shingles

That moss then collects rainwater like a sponge.

Algae on roof shingles. Algae itself is not that dangerous but it causes. As for europe and united states it concerns majority of the territory therefore your roof is never 100 algae safe here and it is advised to use algae resistant roofing shingles. Moss is thick algae is paper thin use stain solver oxygen bleach to safely clean. In recent years roofing manufacturers have begun mixing copper granules into roofing products to produce algae resistant shingles.

This brings mold build up and eventually decay. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight. Roof algae generally have a black green hue. Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach.

Copper is getting very expensive and to stay competitive the manufacturer possibly decided to put less in the shingle. The good news is that s no longer the case thanks to algae resistant roof shingles. If you live in an area susceptible to algae growth be sure to specify this type of shingle when replacing your roof. Common algae that form on roof surfaces including asphalt shingles and roll roofing include the algae shown above and gleocapsa magma a species that generally appears black on the roof surface but under some lighting conditions even on the roof gleocapsa magma can appear as a blue green color as might other algae genera species.

If that top layer of moss gets heavy enough the moisture seeps under the roof shingles and into the understructure. While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the. While an occasional cleaning might not harm your roof repeated use of harsh. Numerous of today s leading shingle producers provide.

The principle behind algae resistant roof shingles is in fact rather easy. What happens is the algae grows and becomes food for the moss. It s my feeling the roofing manufacturer didn t put enough of the copper containing granules in the shingles as a cost saving measure. It causes the black stains you may see on your roof.

Today s homeowner states that algae stains can be removed by cleaning though they usually return. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. The copper or zinc present in algae resistant shingles are triggered even more by rain which disperses the algae combating elements even further along the roof s surface area. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.

If you live in an area susceptible to algae growth be sure to specify this type of shingle when replacing your roof reports today s homeowner. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. The north facing section of the roof developed black algae stains in just three years. Algae and roofing shingles algae develops on roofs everywhere where there is substantial humidity in the air.

Algae stains can be removed by cleaning though they usually return.