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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.
Hi Bob, I would definitely use pressure treated plywood. Let it dry real good and prior to installing it soak it good with Thompson's water seal. That should do it. Be sure to use either stainless steel or coated deck screws when attaching the plywood to the joists. I would also glue the plywood to the joists with a good exterior grade Liquid Nails. I hope this information helps, please feel free to write again regarding this or other matters, sincerely bruce e johnson..bejohnsonconsulting.com
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Answers by Expert:
Bruce E. Johnson
Expertise
I can answer any construction related question in regards to carpentry, concrete, drywall, masonry, structural elements of any type of building, residential or commercial. Interior or exterior.
Experience
Custom Commercial and residential buildings. Churches, theaters, schools and auditoriums. Most recently I am working with the Catholic Church on several design build committees. I have a website related to scheduling and project supervision. Although my expertise is more related to multimillion dollar commercial, educational and theatrical projects my generous credentials in residential and remodelling construction make me a viable source of information regarding all forms of building questions.
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