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About Michael J. Owen
Expertise
Pretty much anything about roofing, particularly asphalt shingle and metal. Replacing damaged sheathing/plywood etc. Questions about venting attic spaces.

Experience
Twenty years of repair, new roof, roof overs and truss work. Still enjoy "getting on the roof".

Organizations
None

Publications
Just had my late mothers book published. A murder mystery set in England.

Education/Credentials
High school, College graduate in England. Now living in Panama, Central America after living in the U.S. for 25 years .

Awards and Honors
None

Past/Present Clients
Way too many to list in England, California, Bahamas, Florida and Georgia.

You are here: Experts > Home/Garden > Home Improvement/Repair > Roofing > Shake roof

Roofing - Shake roof

Expert: Michael J. Owen - 10/15/2009

Question
I would like to know the best solution for keeping mold out of a shake roof. I would also like to have your opinion on a solar attic ventilator.

Thanks.

Answer
Hi Judy. I assume you mean keeping mold out of the attic space and not the outside of the roof?
In which case, adequate ventilation is the key. The rule of thumb is: 1 square foot of ventilation for every 150 square feet of attic space. Here is a web site that may help:

http://www.rd.com/18231/article18231.html

As far as Solar vents go, I have had no experience with them. However, I have heard that they are reasonably efficient providing there is sufficient air coming into the space from the soffit areas.
Hope this helps to answer your question.

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