How Do You Dig Out for a Basement?


Quick Answer

Digging out for a basement begins with assessing the area slotted for the basement. Determine what you want to dig out and the quantity of soil you want to remove. If you are digging out a basement in an existing building, consider the exit for removing the soil. Remove the dirt, and install treated posts on the ground along the length of the marked area.

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Full Answer

  1. Determine what to remove

    Consider the amount of soil you want to remove. Do not disturb the footing in an area that is 45 degrees from its base. If you have an outside door, carry the dirt outside using a wheelbarrow. However, entries that involve stairs require the use of buckets to remove the dug soil.

  2. Install pressure-treated posts

    Place pressure-treated posts on the ground along the length of the dug out basement. The posts must be level with the bottom of the studs on the front end of the wall. These posts form the footings for the new floor. Cover all the posts and the entire area with thick polyethylene sheet material.

  3. Finish the basement floor

    After covering the entire area, overlap the polyethylene slits. Add bricks or rocks. Trim the excess flash off to protect the basement floor against mold problems. Install other joists by placing the pressure-treated posts from the 45-degree slope to the bottom of the studs on the front walls. Finish the basement floor by nailing the joists to the posts, and cover it with plywood.

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