Screw Piles by Postech. Solid. Dependable. Longterm. Guaranteed against frost heaves! We install galvanized screw piles across Windsor-Essex County & Chatham-Kent for all projects: Deck, Underpinning, Solar, Tie-Backs, Cottage, Boat Dock, Grade beams, Pole-barn, Footbridge, ICF for new homes, Fences, Porches, Carport, Silo, Gazebo, Protective Bollard, etc... CCMC & National Building Code approved. 7 shaft sizes available with various fixed or adjustable top plates to suit your projects needs. Our expert installers at Postech Windsor look forward to assisting you with your future project. Contact us today for a free, no obligation estimate. Starting Off On A Solid Foundation Since 1995! www.postech-foundations.com more... See more text