Uneven Subfloor For Hardwood

Some area looks wavy.
Uneven subfloor for hardwood. This problem can be fixed but it all depends on exactly what kind of uneven subfloor you have. The leveling compound is not difficult to use. You must locate the low spots on the floor using a 4 foot. 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.
A subfloor is meant to be flat and level. Sand any rough edges of the leveling compound after it dries overnight using medium grit sandpaper. Here s how to fix a few common types of subfloors. Spread the leveling compound over the low spots with a.
Cut 2 foot by 4 foot pieces of wood to fit in any doorways in the room. This can be done through the use of underlays and re surfacing. The process of fixing an uneven subfloor depends on the type of material you re dealing with and the cause of the problem. How to install wood flooring over an uneven subfloor.
Clean the uneven subfloor with a wet sponge and allow it to dry. They were going to glue down the hardwood. First make sure that the joists are even and not the cause of the problem. If you have an irregularly shaped room divide the room into smaller squares and rectangles calculate the square footage of each smaller area and add them all together.
The subfloor is made of particle boards. 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. Then measure the difference between the high points and low points of the floor. For plywood and osb oriented strand board over joists.
In order to properly install hardwood on uneven flooring the floor itself has to be smoothed out. This will help the. When you install wood floors on uneven surfaces you must first use a leveling compound. For concrete surfaces sanding and polishing may be required.
They came ripped up the carpet today discovered that the sub floor is very uneven by about 1 2 at certain point. For joists spaced more than 19 2 inches on center the minimum thickness for plywood is 7 8 inch and for osb 1 inch. Hold the wood in place with duct tape. Wet dry vacuum hammer screwdriver long.
If the floor simply tilts most hardwoods especially engineered hardwoods will be able to be installed quite easily. The subfloors need to be thicker. 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.
Raise low spots stir pre mixed cementitious leveling compound with a trowel.