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Roofing/metal roof over shingles

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Question
Im putting a r panel roof over shingles do i need  1x4s for spacers to keep out moisture

Answer
Hi Roger. Good question. I get asked things like this on a regular basis.

Here are a couple of articles I have written before about this subject:

http://www.asktoddmiller.com/roofing-solutions/battens-or-no-battens/
http://www.asktoddmiller.com/roofing-solutions/does-a-metal-roof-need-to-be-on-b
http://www.asktoddmiller.com/history/exposed-fastener-metal-roofing-is-it-standi

I hope that these provide the answers you're seeking.

Please feel free to contact me anytime.

Todd Miller
todd@asktoddmiller.com

Roofing

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Todd E. Miller

Expertise

I am available to answer any questions pertaining to residential (or other sloped) metal roofing. I have knowledge of most available products but I like to approach projects from a "needs" basis and analyze them individually. Additionally, I can answer most questions about building ventilation.

Experience

I have worked for a manufacturer of residential metal roofing since 1980. I currently serve as President and have been involved with a wide variety of projects of all types across the world.

Organizations
I am a board member for Metal Construction Association, Metal Roofing Alliance, the local United Way, our church, and our son's school.

Publications
Over the years, I have had articles appear in several trade journals including RSI, Remodeling, and Qualified Remodeler.

Education/Credentials
I have a B.A. in Communications and have also completed three years of training with the E-Myth Academy.

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