We wouldn t typically replace good flooring with plywood but as this is being ov.
Straigthen tilted floors old house.
Close door and check the spacing at the top and latch side of the door.
Although most floors slope it is important to know how much and why.
Place it a couple of feet from the pier.
On the top side of the floor another fix it idea to lay down new hardwood over the existing floor.
In this video this old house general contractor tom silva explains how to repair a skewed door.
Steps to repair a skewed door.
There are several problems that can cause a sagging or sloping floor which is one of the reasons why fixing a sloping floor is difficult.
Jack up the floor slightly and knock out the existing post.
You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.
Don t jack it up too high just high enough to remove the post.
In the example of the house foundation if the house was built over a crawlspace or basement it is possible to get into the crawlspace or basement to insert jacks and raise the foundation.
The house seems to be tilting to the rear and to the south.
Building codes specify the minimum joist depth and spacing typically 12 or 16 inches on center for spans up to 20 feet but those requirements are intended to prevent plaster ceilings from cracking not to eliminate springy floors.
The ground level at the rear of the house is a few inches below the basement floor level.
Check out the previous episode where we discuss the plans for this kitchen.
That corner would be the lowest on the slope.
Determine which hinge must be shimmed to adjust door and create even spacing.
Foundation issues deteriorating wood supports especially sills which rest on the foundation footer improperly installed joists or sub floors and other issues can all cause a floor to slope or sag.
A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.
Floors that dip in the middle are usually caused by non structurally significant joist deflection but sloped or tilted floors that are straight i e slope in one direction may indicate a more serious foundation or bearing wall problem.
You may have a concrete slab patio driveway or portion of a house foundation that has sunken or tilted over the years.