Pack Bentonite Between Basement Floor And Foundation Wall

During wet weather high hydrostatic pressure can easily force water up through cracks in the basement floor and along the floor to wall joint.

Pack bentonite between basement floor and foundation wall.

The corner leaks along floor wall joint due to exterior cracks and some other openings between top of wall and bricks. There are standard measures available. This leaves a small gap between the floor and the walls known as the cove joint. The process of bentonite injection has been around commercially for more than 80 years and was a prime method for sealing earthen dams and maintaining cofferdams for temporary water containment.

Like you i have never heard of the use of bentonite on the interior side of a basement wall. That is reason enough at least for me not to try it. The crack between the basement slab floor and the basement wall. When your walls have cured the basement floor itself is then poured.

For example almost all basement waterproofing companies will use sodium bentonite to seal a seeping wall crack that is inaccessible from inside the basement and therefore cannot be injected with expanding polyurethane. 3 years ago to inject my basement wall over 10 times with bentonite and. One of the most common places to find water in a residential basement is in a puddle right next to the wall. This helps keep them properly aligned.

Sep 30 2015 by matthew stock. When the slab or basement floor is directly adjoining the stem foundation wall sitting upon the footing it is subject to the same movement that the wall is. The high bonding bentonite clay expands into the structure s cracks and fissures forming a watertight membrane from below grade to the structure s footer. Leaking cracks in basement walls are a fairly common problem.

If there is no drain tile outside the foundation fixing the crack may develop into a frustrating experience. Our exclusive bentonite injection service has allowed our company to put a warranty on basement walls below grade for more than 30 years. Available waterproof coatings for use on the interior of a basement wall include thoroseal ugl drylok and xypex. Don t seal the gap between basement wall and floor to keep out water.

If the slab is touching the stem walls. A simple and effective method of sealing off the leak is with the use of bentonite. After your foundation footings are built your basement walls are poured so that they slot into a keyway.