How To Fix A Floor Without Underlayment

You want just an even dusting over the floor to eliminate stickiness under the new flooring.

How to fix a floor without underlayment.

Trim as needed and place the next sheet in the first row. Offset the long edges of the underlayment panel by at least 2 inches from long edges of the subfloor panels below. Remove the floor covering over the damaged subfloor area. Countersink the screw head into the subfloor.

Lay down the first underlayment panel with the smooth side facing up. Offset the short edges of the underlayment by at least 2 inches from any floor joists and at least one joist space from the short edges of the subflooring. To fix a floor covered with deep pile carpet drive a wallboard screw through the carpet and pad into the floor joist. If the area is large and numerous fasteners are needed you can rent a rapid load screw gun for approximately 30 a day.

With hardwood floors drive ring shank or cement coated flooring nails into the seams between boards. Fasten the sheet to the floor joists with 2 1 2 inch screws driven through the old subflooring and into the joists below. 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. Leave a 1 8 inch gap between the ends of the sheets.

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. Move the thin set around using a broom. Separate wooden bridging members to eliminate noise problems.

Use galvanized 8d nails or deck screws to fasten the new plywood to the floor framing. Once the underlayment is up you ll need to treat the floor to get rid of the stickiness of the adhesive. Sweep up the excess.