The Underpinning Process Demystified
Assessment and Planning: The process begins with a thorough inspection of the existing foundation to assess its condition and determine the feasibility of underpinning. A structural engineer will then develop a detailed plan tailored to your home's unique requirements.
Excavation: The area around the foundation is excavated in sections, typically one at a time, to minimize disruption to the structure. Careful attention is paid to shoring and bracing to ensure the stability of the building during excavation.
Underpinning: Once the excavation is complete, the existing foundation is underpinned by pouring concrete footings or installing steel beams at intervals along the perimeter. This effectively extends the foundation downwards to the desired depth.
Waterproofing and Insulation: Waterproofing membranes and drainage systems are installed to prevent water infiltration and protect the newly created space from moisture damage. Insulation may also be added to improve energy efficiency and comfort.
Finishing: With the foundation reinforced and waterproofed, the basement can be finished according to your specifications. This may include framing, drywall installation, flooring, and electrical and plumbing work.
Final Inspection: Once construction is complete, a final inspection is conducted to ensure that the underpinning meets building code requirements and standards of quality.
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