installing 3/4 oak flooring in old house over tongue/groove floor


Old 10-23-04, 09:47 PM
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installing 3/4 oak flooring in old house over tongue/groove floor

I bought a 90 year old house and I am installing 3/4" oak 2.25" wide strip flooring. The original flooring is 1/2" (yes 0.5 inch) tongue and groove flooring 2.25" wide nailed perpendicular to the joists with no subfloor. My upstairs is the same way. Believe it or not but several houses in my area were built like this.
My question is, if I put the new floor down perpendicular to the old floor, I will be parallel to the floor joists, and I do not want to run the new floor parallel with the old one. Any suggestions?
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Old 10-24-04, 10:24 PM
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Hardwood installation

Installing hardwood floors requires a 3/4" plywood or OSB subfloor in order to accept nails. 1/2" is not thick enough to hold nails. You will need to screw down more plywood before installing hardwood. Don't forget to maintain your expansion gaps as you wood for hardwood flooring. For any new hardwood floor over old it's advisable to run opposite to the existing.

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