How To Repair A Sagging Wood Attic Floor Board

The average person can sense if a floor slopes 1 inch in 10 feet and sloping floors or sagging floors are often one of the warning signs that structural engineers look for when analyzing a house.

How to repair a sagging wood attic floor board. Thre ways to fix a sagging or sloping floor. Often if there has been a fire in the attic and after the repair contractor. If the floor is sagging bit there is no noticeable snagging in the roof it could just be the floor. I d suggest looking at the joists under your floor and then get into the attic and check the roof structure looking for sagging or other abnormalities.

Then there may have been a fire in the attic. If unsure have a pro come out and inspect it and give you pointers. If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or. You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.

A collar tie is a horizontal piece of wood often a 1 6 or similar piece of dimensional lumber that is located in the top 1 3 area of the rafter span on a gable roof. On the top side of the floor another fix it idea to lay down new hardwood over the existing floor. The average hourly cost for floor repairs is between 75 and 125 for the labor alone. Depending upon the conditions it is possible to strengthen or repair existing framing members such as floor joists or roof rafters by adding reinforcing material sandwiching the member on either side with plywood is sometimes worthwhile but the plywood must be installed correctly for greatest strength.

A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too. On average nationwide repairing a sagging floor costs between 1 000 and 10 000. Although most floors slope it is important to know how much and why.