So if all this sounds like too much work just buy the standard 3 1 4 wide t g strip floor and blind nail it simply and easily with the flooring nailer.
Face nailing needed for 12 inch wide plank floor.
When installing solid wide plank floors over a plywood subfloor the best method is to apply adhesive to the floorboards blind nail the length of the boards with a pneumatic nailer and face nail when you reach the end of a board.
Regardless if installing a 3 wide engineered hardwood or a 5 wide engineered hardwood plank you are not using any more fasteners despite the increased width.
It just depends on how narrow you indoor humidly range is.
Entails using adhesive in addition to nails even if you re installing a solid wide plank floor.
On 8 wide boards you may choose either 2 or 3 nails per row.
As this prevents the hardwood floor from expanding.
The main purpose of face nailing is to minimize a cupping appearance with wide plank floors.
Face nail only the last row if it will be.
Regardless of how many nails you choose to use per row you are replicating the method of using hand forged nails hundreds of years ago.
This is done by introducing glue to the nailing process.
Installation of wide plank flooring nail down installation of wide plank solid and wide plank engineered flooring requires additional bonding to the subfloor to prevent movement and squeaks.
In renovation work most product is staple nail down over wood subfloors.
On 10 and 12 wide planks use 3 nails per row.
Which works very well with plank flooring to.