How To Lift Or Jack Up Sunken Floor Joists

Continue raising the jack until the deck is no longer.

How to lift or jack up sunken floor joists. Anything involving 20 ton house jacks will take time. Generally there are posts and beams under the floor joists. Step 1 access the area under the deck. Raise the jack so it contacts the wooden floor joist supporting the decking.

Get the jacks under the floor. You cannot jack up a house in one day. Jack up that portion of the house and place new footers. It has to be jacked up slowly over days or even weeks to avoid cracking drywall plaster windows and even structural elements.

If a pier that the post is standing on has sunk into the ground you will need to lift the beam off the post and replace the post with a taller one. Once the new joists were up we found locations where the concrete blocks could sit flat on the ground so the pressure wouldn t cause them to crack.