The thicknesses are as follows.
Thickness of subfloor for 3 4 hardwood.
Thick x 2 1 4 in.
A 3 8 inch subfloor is the bare minimum needed to be a good support.
When gluing down an engineered floor over a solid lumber sub floor a minimum underlayment of 3 8 thickness is recommended.
3 4 thick solid wood flooring can be installed directly over 3 4 thick osb subfloor.
The subfloors need to be thicker.
Thick x 4 in.
Conforming to us voluntary product standard ps2 or canadian performance standard can csa 03250 92 construction sheathing.
In all cases subfloors and underlayments are to be flat to within a 3 16 tolerance in an 8 10 foot radius.
For joist spacing of more than 16 inches up to 19 2 inches on center the minimum thickness for both plywood and osb is 3 4 inch.
Oriented strand board osb.
The thicker the board the more it costs but the longer it will last.
7 16 15 32 and 1 2 inch thick panels require joists spaced 16 inches on center.
Case 3 99.
Bruce plano marsh oak 3 4 in.
The preferred thickness is 19mm as a subfloor minimum 5 8 16 mm or 1 2 13mm as a floor panelunderlayment.
When gluing down to a plywood or osb sub floor many are tempted not to use an underlayment.
It is standard practice to install the hardwood floors at a 90 degree angle across the floor joists to stabilize and strengthen the whole floor structure.
Check the underside of panel for codes.
If i change the subfloor i will have a height problem where new floor meets the old floor.
Ft case 5 76 sq.
The subfloor provides a support structure for the flooring that will go on top of it and to be successful the subfloor needs to be strong enough to support the flooring.
19 32 and 5 8 inch thick panels require joists spaced 20 inches on center.
Wide x random length solid hardwood flooring 16 sq.
I know that i am pushing the subfloor thickness but the rest of the house has 3 4 oak over the same subfloor.
I am adding 500 ft of 3 4 over 1 2 in plywood.
5 8 inch 15 88 mm 3 4 inch 19 mm 7 8 inch 22 23 mm the best and most common thickness of solid hardwood is 3 4 inch 19 mm.
If you re shopping for solid hardwood floors you ll find three thicknesses of boards.
Blue ridge hardwood flooring hickory heritage grey hand sculpted 3 4 in.
Will i be ok if i use 2 staples and hit all the floor joists.