How to Replace Subflooring & Joists
Subflooring and joists are found underneath the carpet or tile in your home. They are the structure of your floor and help support the weight above it. Over time the subfloor and joists can rot out due to water damage. There is no easy way to repair the subfloor and joists but they can be replaced. Replacing the subfloor and joists is very time consuming, but is sometimes necessary to get rid of the rotted pieces in your home. Does this Spark an idea?
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Instructions
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1
Remove the carpet in the room or area where you are replacing the subfloor or joists below. Pull up the carpet with the back of a hammer. Slide the hammer between the wall and the edge of the carpet and begin pulling up by hand. Continue in the same manner until the carpet is removed and the subfloor underneath is exposed.
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2
Remove all of the subfloor with a power drill. Locate the screws holding the subfloor to the joists and remove them one at a time beginning at any corner of the room. Set the pieces aside once they are removed and continue until the subfloor is gone and the joists underneath are exposed.
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3
Loosen all of the joists with a power drill just like the subfloor was removed. The joists are 2-by-8 pieces of lumber running across the ceiling in the basement. Remove all of the screws holding it in place at each end of the joist with the power drill.
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4
Install new joists where the old ones were removed from. Screw the joists into place with drywall screws in the same place the old ones were removed from. Continue around the room installing joists at the same location as before.
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5
Screw new subfloor on top of the joists with drywall screws. Space out the screws every 12 inches into the joists beginning at one corner of the room and working to the other. Butt the second piece of subfloor up to the first and install it just like the first was installed. Continue around the room until the new subfloor is completely installed.
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6
Staple the carpet back into place with a staple gun. Insert staples along the edge of the carpet around the entire perimeter of the room to secure it in place.
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