How to remove and prevent black algae stains on asphalt shingle roofs black stains on an asphalt roof caused by algae.
How to remove old asphat shingle roofs.
If the roof deck is in bad shape you have two or more shingle layers or if your current roof is shake shingled roofers will need to remove all the old materials and roofing.
One benefit of asphalt shingles is that they can go directly on top of your old shingles provided the roof deck is in good condition.
The asphalt shingle roofs are about 18 5k to about 21k.
The roof growth gave character to many seaside and forest cottages.
The damage can reduce shingle lifespan.
There are many ways to remove moss that tends to grow in shaded areas.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.
Cleaning asphalt shingles of clumps of moss or algae that have taken root in the roof can feel like an overwhelming endeavor.
It s generally not necessary to pressure wash a shingle roof for the purpose of removing ordinary dirt and leaves and pressure washing can potentially damage.
Lichens and moss loosen the granules on the shingle surface exposing the asphalt and fiberglass base materials.
If you don t remove all of the old shingles how do you know if you if they got all of the damaged plywood.
How to pressure wash roof shingles.