Why Does Mold Grow On Roofs

Particularly where the roofing materials are asphalt shingles or wood shingles holding water on the roof surface by any means leaves debris moss or lichens speeds up wear on these shingles.

Why does mold grow on roofs.

Unfortunately a lot of homeowners allow roof mold damage to fester which can drastically reduce the longevity of a roof. Moss thrives in cool damp environments. Because moss or lichens growing on a roof surface will hold moisture on the roof longer than other areas these growths can reduce the life of the roof covering. Condensation occurs on the underside of the roof sheathing not beneath the insulation.

It is easily spread and causes those colorful stains on so many roofs. Mold growth beneath the insulation would require a roof leak which you d typically notice on the ceiling inside the home before any real mold growth occurred. Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles. There s a good chance that it s coming from the roof.

Moss is a non vascular plant that absorbs water through its leaves instead of roots. Mold growth on roofs is one of the most costly problems when homeowners fail to take action and simply allow the growth to continue. It is easily spread and causes those colorful stains on so many roofs. If you have moss on your roof it s likely because your roof is shaded by trees or other structures allowing moisture to linger and moss to grow.

It s actually just a blue green algae spread by airborne spores. It needs heat moisture and nutrients to grow. Moss growing on a roof may or may not be considered attractive or quaint but there is no doubt that extensive moss on a roof can seriously damage the roof by growing under and raising or. Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles.

It s actually just a blue green algae spread by airborne spores. If the mold remains on the surface it will lead to ugly stains or black streaks. Condensation is the most common cause of mold growth in an attic. When it comes to the structural integrity of the roof on any given house roof algae and mold are two of the biggest enemies.

An undiscovered roof leak water draining into the foundation or debris gathering in a roof corner all create a nice moist place for mold spores to grow.