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Archive for October, 2009

Roof Discoloration Due to Algae

Roof Discoloration Due to Algae

This photo  shows an  asphalt shingle roof that has discoloration due to algae.  Algae  growth on roofs is a common problem throughout the entire world and is more prevalent in areas of high humidity.  The exact name of the algae is Gloeocapse magna, which causes the dark staining which you can see  in the first […]

Homeowner Considerations When Re-Roofing

Homeowner Considerations When Re-Roofing

Should I tear off my existing shingle roof or should I install another layer of shingles over it? This is a question that comes up very often when homeowners are trying to decide which is the most economical way to have a roof replaced.  Obviously the most economical way to have a new roof installed […]

What is the Process of Having a Roof Torn Off and Replaced

What is the Process of Having a Roof Torn Off and Replaced

Recommended steps : Homeowner  should contact three licensed, bonded, and insured roofing contractors. The  contractors will  perform the following: Measure the roof. Refer to specification manuals cited in local, city and/or national building codes. Consult with homeowner to provide  the recommended  methods, shingle types and any additional roofing products which may be required. Provide to […]

Hand Nailing Versus Pneumatic Nailing of Shingles

Hand Nailing Versus Pneumatic Nailing of Shingles

Some roofing contractors advertise that they only hand nail shingles. The argument is that hand nailing of shingles is a better process than using a pneumatic nailing gun or pneumatic stapler. Hand Nailing It is certainly more expensive to hand nail as hand nailing is a more time intensive process. Obviously, the more time it […]

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