WHAT IS A PUSH PIER?
Push piers are steel pipes that are used to support and stabilize a settling or sinking foundation. Push piers are also known as resistance piers or micro piles. They are designed to transfer the weight of the structure from the unstable soil to the more stable bedrock or load-bearing strata.
Push piers have been used for foundation repair since the 1800s, when they were first introduced in the Northeast. They became popular because they could reach below the frost line and provide a secure foundation for buildings in areas with poor soil conditions. Today, push piers are widely used for residential, commercial, and industrial foundation repair projects across the country.
Push piers work by using the weight of the structure as resistance to drive them into the ground. A hydraulic ram is attached to a steel drive stand and pushes the piers through a pier bracket that is bolted to the footer of the foundation. The piers are connected with couplings and extensions until they reach the desired depth and resistance. The hydraulic ram then lifts and levels the foundation by applying pressure to the piers. The pier bracket is locked in place with steel pins and nuts, and the dirt is backfilled around the foundation.