Building Homes or Extensions/Shed Flooring

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Expert: - 6/22/2010


Question
I'm building a outdoor shed on cement piers 6 inchs off the ground. I get some water run off that goes under the shed when it rains hard. What type of flooring should I use for dampness?   
dvantech plywood, regular plywood or what ? Should I spray water water repellent on the underside of the plywood? Their in no direct contact with water just dampness.

Answer
Bob, does the water stand under the building or does it run through?  The best solution would be to direct the water around the building.  Another solution would be to set a drain pipe under the building and direct the water to, through, and out from under the building.  As to what material, you might consider treated plywood on treated joists.

Any cuts or edges and, even, the full sheets can be treated with one of the Pentachlorophenol products.

Hope this helps

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Dan Griffin

Expertise

I can answer almost all questions related to the total construction process. My expertise is in commercial construction, though I can field most any residential question. I have hands on experience in concrete, heavy equipment, masonry, all phases of carpentry, interior finishes, and I am fairly strong in mechanical and electrical.

Experience

I have over 20 years experience as a commercial carpenter and commercial construction superintendent. I have another 20 years experience in facility management for a major school district.

Organizations
My favorite hobby for he past 12 years has been singing bass in a The OkChorale men's barbershop chorus and the Mature Moments quartet.

Education/Credentials
I hold a Bachelor's degree in English and Math. I have completed many continuing education hours in the building trades. I hold a Master Carpenter card from the AGC, Associated General Contractors.

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