Uneven Subfloor For Hardwood

In order to properly install hardwood on uneven flooring the floor itself has to be smoothed out.

Uneven subfloor for hardwood.

This can be done through the use of underlays and re surfacing. When you install wood floors on uneven surfaces you must first use a leveling compound. The process of fixing an uneven subfloor depends on the type of material you re dealing with and the cause of the problem. Then measure the difference between the high points and low points of the floor.

They came ripped up the carpet today discovered that the sub floor is very uneven by about 1 2 at certain point. Fixing an uneven wood subfloor before wood floors safety glasses ear protection chalk line circular saw scraper shims hammer nails osb or plywood edger and abrasives moisture retarder such as asphalt saturated kraft paper or 15 or 30 felt. Do this by multiplying the room s length by its width. First make sure that the joists are even and not the cause of the problem.

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. This problem can be fixed but it all depends on exactly what kind of uneven subfloor you have. Vacuum away any dust. Hold the wood in place with duct tape.

The wood will keep the self. This will help the. Sand any rough edges of the leveling compound after it dries overnight using medium grit sandpaper. The leveling compound is not difficult to use.

The subfloors need to be thicker. A subfloor is meant to be flat and level. Raise low spots stir pre mixed cementitious leveling compound with a trowel. Some area looks wavy.

For plywood and osb oriented strand board over joists. You must locate the low spots on the floor using a 4 foot. For concrete surfaces sanding and polishing may be required. Cut 2 foot by 4 foot pieces of wood to fit in any doorways in the room.

Wet dry vacuum hammer screwdriver long. How to install wood flooring over an uneven subfloor. The subfloor is made of particle boards. They were going to glue down the hardwood.

Clean the uneven subfloor with a wet sponge and allow it to dry. If not your floor covering which is the solid hardwood laminate tile or other exposed flooring that goes on top of the subfloor will never be flat and level. Spread the leveling compound over the low spots with a. For joists spaced more than 19 2 inches on center the minimum thickness for plywood is 7 8 inch and for osb 1 inch.

Here s how to fix a few common types of subfloors.