The roof is modern or unique such as a single sloped roof flat roof or a unique overhang.
Floating floor parallel to joists.
First renail the existing plywood subfloor so that the old nails are tight and add new nails to achieve a maximum nail spacing of 6 inches.
Some houses have the shiplap on a 45.
With 3 4 subfloor it s best to add another layer.
The most common way to lay install hardwood flooring is by aligning the planks parallel to the longest wall or run in the installation.
Section r502 10 of the international residential code states that header joists can be the same size as the floor joists when the header joist span isn t greater than 4 feet but if the header joist span is more than 4 feet you ll need to double the header joist and ensure that it s capable of.
It could be ok but you are dancing in the danger zone.
If you have an older house with a shiplap floor the shiplap is perpendicular to the joists so the flooring is parallel to the joists.
If the joists are at 19 2 or 16 on centers laying the wood parallel to the joists should not be a problem.
I guess you wouldn t have to lay it parallel but the shiplap has a lot more movement then plywood or osb.
Installing them parallel creates the possibility that the floor will sag.
Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home.
A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals.
A flooring contractor howard brickman responds.
Flooring experts recommend installing flooring boards perpendicular to the floor joists in a house with a plywood subfloor.
Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s.
The floor joists may run parallel to the short dimension at the floor level but at the roof level the short dimension is the opposite direction.
If the joists are at 24 o c.
If the subfloor is stiff enough there is no reason why solid nail down strip flooring can t be run parallel to the joists.
Additional support for the floor joists is achieved by nailing the ends of the joists into headers.