Solid Hardwood, Engineered and Laminate Flooring - How do I nail the planks to the joists?

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MarkNovack
05-16-06, 04:55 AM
Hi,
I am getting ready to install pine tongue and groove flooring as original in the second floor. 85mm x 18mm full length pine t&g planks nailed directly over new and level joist doublers. Joists are 30cm on center and 6.5cm wide. Can I blind nail using 2 nails per joist or will I have to sink an additional nail through the top for strength? Should I nail or screw?

Thanks,
Mark

Annette
05-17-06, 11:25 AM
no subfloor??? :eek: :confused:
twelvepole
05-17-06, 05:11 PM
The National Oak Flooring Manufacturer's Association recommends a minimum 3/4" plywood (OSB acceptable subfloor) for solid hardwood flooring installation. Flooring is nailed approximately every eight inches. Boards are installed perpendicular to joists. An 8# minimum asphalt felt vapor retarder is installed over subfloor before installing wood.

Carpets Done Wright
05-17-06, 07:53 PM
When flooring is directly over joists in old homes, the joists are on 1 foot centers and the lumber for the joists is dimensionally correct. 2x12 and the flooring is 33/32"

You need plywood with todays lumber and joist spacing.