How Do You Level An Existing House?
• Consult a qualified Structural Engineer first. The structure may not be as you expect and you may cause more problems than you solve. • Determine how far the middle of the house needs to be lifted. With a taut string or laser level, make a straight line from one side of the foundation to the other. You may find this task easier if you hold the string off the sagging floor joists by attaching blocks of the same thickness at opposite sides of the basement. nail them to the underside of the joists as near the foundation as you can. Measure the distance from that line to the bottom of the floor joists. Repeat this process in several locations under the house. • When you know where the lowest portion of the center is located, mark that location. • Build a temporary post using concrete blocks or large blocks of wood. Make sure that the post is located on firm, level ground under the house. Alternate the placement of each layer of blocks by 90 degrees to improve stability. • Buy or rent a h
