The Polybase Engineered Footing is a glass-fiber, reinforced foundation support that is 30% lighter than conventional concrete blocks. Despite its lightweight, the Polybase Engineered Footing delivers instant modular support to interior pier support systems. Additionally, this lightweight foundation reinforcer is multifunctional and less labor-intensive. Most concrete blocks are hard to handle, require extensive excavation, and provide more headaches than solutions. With the Nash Polybase Engineered Footing, you'll keep your home and sanity stable. Keep your property structurally sound with our impressive, highly structurally-rated reinforced foundations.