Thickness Of Subfloor For 3 4 Hardwood

Wide x varying length solid hardwood flooring 20 sq.

Thickness of subfloor for 3 4 hardwood. Will i be ok if i use 2 staples and hit all the floor joists. 19 32 and 5 8 inch thick panels require joists spaced 20 inches on center. The preferred thickness is 19mm as a subfloor minimum 5 8 16 mm or 1 2 13mm as a floor panelunderlayment. If you re shopping for solid hardwood floors you ll find three thicknesses of boards.

When gluing down an engineered floor over a solid lumber sub floor a minimum underlayment of 3 8 thickness is recommended. 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. Thick x 4 in. When gluing down to a plywood or osb sub floor many are tempted not to use an underlayment.

The thicker the board the more it costs but the longer it will last. I am adding 500 ft of 3 4 over 1 2 in plywood. Bruce plano marsh oak 3 4 in. Conforming to us voluntary product standard ps2 or canadian performance standard can csa 03250 92 construction sheathing.

For heavier floors such as hardwood something closer to 9 16 of an inch is better. I know that i am pushing the subfloor thickness but the rest of the house has 3 4 oak over the same subfloor. 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. Blue ridge hardwood flooring hickory heritage grey hand sculpted 3 4 in.

In all cases subfloors and underlayments are to be flat to within a 3 16 tolerance in an 8 10 foot radius. Check the underside of panel for codes. Thick x 2 1 4 in. 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.

3 4 thick solid wood flooring can be installed directly over 3 4 thick osb subfloor. For joists spaced more than 19 2 inches on center the minimum thickness for plywood is 7 8 inch and for osb 1 inch. 7 16 15 32 and 1 2 inch thick panels require joists spaced 16 inches on center. 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.

The thicknesses are as follows. If i change the subfloor i will have a height problem where new floor meets the old floor. Ft case 5 76 sq. The subfloors need to be thicker.

Oriented strand board osb.