How To Fix A Floor Without Underlayment

Offset the long edges of the underlayment panel by at least 2 inches from long edges of the subfloor panels below.

How to fix a floor without underlayment.

Sweep up the excess. To fix a floor covered with deep pile carpet drive a wallboard screw through the carpet and pad into the floor joist. Lay down the first underlayment panel with the smooth side facing up. Trim as needed and place the next sheet in the first row.

Click the links below to see inside. Do this by spreading a layer of dry thin set mortar product over the floor. With hardwood floors drive ring shank or cement coated flooring nails into the seams between boards. The home mender dustin luby shows us how to repair that unsightly rot hole in your floor to prepare it for a new.

You want just an even dusting over the floor to eliminate stickiness under the new flooring. Fasten the sheet to the floor joists with 2 1 2 inch screws driven through the old subflooring and into the joists below. Separate wooden bridging members to eliminate noise problems. Use galvanized 8d nails or deck screws to fasten the new plywood to the floor framing.

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

Drive a screw every 6 to 8 inches along all of the joists. 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.