Special Foundations is the method of construction of underground Structures.

This is a reference to piling techniques that are constructed under a stabilising fluid to maintain integrity. Specific techniques include Diaphragm Wall, Bored Pile, Barrette, and Cut off Wall.

SDF has a range of bentonite and polymer based products for all ground conditions and techniques as well as the ability to offer tailored advice to foundation contractors on best practice for specific projects.