How To Fix A Floor Without Underlayment

Fasten the sheet to the floor joists with 2 1 2 inch screws driven through the old subflooring and into the joists below.

How to fix a floor without underlayment.

The home mender dustin luby shows us how to repair that unsightly rot hole in your floor to prepare it for a new. Do this by spreading a layer of dry thin set mortar product over the floor. Drive a screw every 6 to 8 inches along all of the joists. 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.

Click the links below to see inside. 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. Trim as needed and place the next sheet in the first row. Once the underlayment is up you ll need to treat the floor to get rid of the stickiness of the adhesive.

Move the thin set around using a broom. To fix a floor covered with deep pile carpet drive a wallboard screw through the carpet and pad into the floor joist. With hardwood floors drive ring shank or cement coated flooring nails into the seams between boards. Offset the long edges of the underlayment panel by at least 2 inches from long edges of the subfloor panels below.

You want just an even dusting over the floor to eliminate stickiness under the new flooring. Lay down the first underlayment panel with the smooth side facing up. Remove the floor covering over the damaged subfloor area. Use galvanized 8d nails or deck screws to fasten the new plywood to the floor framing.

If the area is large and numerous fasteners are needed you can rent a rapid load screw gun for approximately 30 a day. Sweep up the excess. Leave a 1 8 inch gap between the ends of the sheets.