One main reason is that the resins waxes and glues used in the bonding process permeate the entire panel.
Can hardwood be stapled to osb.
Floating hardwood installation is much more diy friendly.
An increasing number of homes and light commercial buildings have oriented strand board osb subfloors.
Osb is fine as a subfloor structurally but imo it won t hold a nail or staple as well as spruce plywood.
Builders choose osb because it typically costs less than plywood free of knots and voids and can be used interchangeably in typical flooring applications where the panels have the correct span rating.
Staple down engineered hardwood flooring is attached with staples to the subfloor which can be plywood oriented strand board osb high density particle board or even existing wood flooring.
Hardwood can make for a durable and beautiful floor but small mistakes in the subflooring or installation can wreak havoc and buckling squeaky uneven floors can all result from poor installation.
An osb board absorbs moisture less readily than plywood and the main problem with an osb subfloor getting wet is that the seams of the individual sheets can swell.
Especially if you are using a stapler to install the wood.
While this is not a definitive guide to hardwood installation over osb panels there are some important points to ponder.
Solid hardwood must be nailed stapled or glued down.
I would overlay your osb sub with 3 8 spruce plywood and screw.
We carry hardwood flooring laminate bamboo cork vinyl area rugs and even staircase materials like iron balusters so whether you know exactly what kind of flooring you want or you are in the very beginning phase of shopping for new floors we can help you every step of the way.
I would not install hardwood directly over osb.
Although adhesive companies state it can work use caution against gluing down any hardwood engineered or solids over particle masonite wafer or osb board.
Installing hardwood flooring over osb.
Main concern is nails staples coming loose from the osb over time.
This swelling although undesirable and to be avoided is virtually unnoticeable under a laminate floor unless it is very pronounced.
Recommended installation methods can differ from product to product.