Contractors near Lansdale, PA
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A.J. Perri (Service)
The Anderson Contracting Company
Roofing Nation - Delaware Valley
Roofing Nation - Harrisburg
Dream Home Roofing
Home Genius Exteriors- New Jersey
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Answers from contractors near Lansdale, PA
What is the temperature range for installing roof shingles
Elizabeth Stoko of Prestige Home Solutions PRO answered:
Dec 30, 2016
In order for shingles to sit and form properly, it should be at least 36 degrees fahrenheit (2.2 celsius) outside when laying shingles.
black spots on the roof. can you tell me what is the cause of this? have lived in this house 12 years and have had no problems. what can you do to clean this?
Jeffrey Fick of Fick Bros. Roofing & Exterior Remodeling Company PRO answered:
Oct 10, 2014
Over a period of time, shingles may develop dark brown or black streaks that are sometimes mistaken for soot, dirt, moss or tree droppings. In actuality, this discoloration may be caused by algae gro ... read more
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