How To Fix A Floor Without Underlayment

Trim as needed and place the next sheet in the first row.

How to fix a floor without underlayment.

Drive a screw every 6 to 8 inches along all of the joists. Remove the floor covering over the damaged subfloor area. Separate wooden bridging members to eliminate noise problems. Offset the long edges of the underlayment panel by at least 2 inches from long edges of the subfloor panels below.

To fix a floor covered with deep pile carpet drive a wallboard screw through the carpet and pad into the floor joist. Do this by spreading a layer of dry thin set mortar product over the floor. Use galvanized 8d nails or deck screws to fasten the new plywood to the floor framing. Click the links below to see inside.

If the area is large and numerous fasteners are needed you can rent a rapid load screw gun for approximately 30 a day. Lay down the first underlayment panel with the smooth side facing up. If an engineer found no structural issues you may be able to level the floor by applying a cement based self leveling floor product such as henry level. The home mender dustin luby shows us how to repair that unsightly rot hole in your floor to prepare it for a new.

Leave a 1 8 inch gap between the ends of the sheets. Fasten the sheet to the floor joists with 2 1 2 inch screws driven through the old subflooring and into the joists below. Move the thin set around using a broom. Once the underlayment is up you ll need to treat the floor to get rid of the stickiness of the adhesive.

You want just an even dusting over the floor to eliminate stickiness under the new flooring. To remove tiles use a grout remover tool to score the grout and a putty knife or small pry bar and a hammer to lift tiles. Sweep up the excess.