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Can algae growth damage asphalt roofing?

In most cases
In some cases
Not sure
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Question: Can algae growth damage asphalt roofing?
Top Answer (70% of 41 votes): Yes.

Answer: Yes
Explanation: LEARN MORE:
4 Square Roofing
Answer: Yes
Explanation: Yes, algae growth slowly feed off the asphalt's limestone. This weakens the roof's structural integrity, which may cause some shingles to detach. Damage from algae may also weaken your roof's ability to reflect sunlight, causing more heat to radiate throughout your home.
Top Shield Roofing
Answer: Yes
Explanation: Eats the shingles in short order
Sharp Roofing
Answer: Yes
Explanation: Algae can reduce the longevity of a roof over time.
Aci Exteriors LLC
Answer: Yes
Explanation: It can go down into your plywood And decking
Answer: In some cases
Explanation: If it is an extreme case like in the woods, or tree branches touching the roof then yes. Algae stains although they do not look nice pose no threat to the life of the roof, at least on the manufacturer defect end.
American roofing &remodeling
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