OUR MAIN SERVICES

Precision Underpinning & Foundation Solutions

Six core structural services covering every stage of a basement lowering project — from engineered excavation to permanent waterproofing and separate entrances.

Basement Underpinning in Toronto

Basement Underpinning

Extend your foundation downward to safely create high-ceiling living space in existing homes.

  • Sequential pin-by-pin excavation
  • Heritage brick & masonry specialists
  • Maximum ceiling clearance gained
  • Engineered drawings & sign-offs
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Basement Lowering in Toronto

Basement Lowering

Turn dark, low-clearance cellars into full-height, modern rental suites or family rooms.

  • 8–9+ foot finished ceilings
  • Legal secondary suite potential
  • New insulated structural slab
  • Turnkey excavation & soil removal
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Bench Footings in Toronto

Bench Footings

A fast, cost-effective alternative to full underpinning that reinforces existing foundations with reinforced concrete benching.

  • Ideal on tight property lines
  • Reinforced perimeter benching
  • Faster, lower-cost timeline
  • Built-in structural shelving
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Internal Waterproofing in Toronto

Internal Waterproofing

Comprehensive sub-slab drainage systems and sump pumps that keep lowered basements dry permanently.

  • Dimpled drainage membrane
  • Sub-slab weeping tile & gravel
  • Sump pumps with battery backup
  • Full moisture & mold barrier
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Basement Walk-Outs in Toronto

Basement Walk-Outs

Custom subterranean exterior entrances that add separate access for rental units or backyard living.

  • Hydraulic concrete wall cutting
  • Poured retaining walls & stairs
  • Frost-line stairwell drainage
  • Code-compliant egress access
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Post & Beam Installations in Toronto

Post & Beam Installations

Replacing obstructive interior walls and posts with engineered steel I-beams for modern open-concept basements.

  • Engineered steel I-beam sizing
  • Telepost replacement & shoring
  • Open-concept lower levels
  • Load-bearing wall removal
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Not sure which service your home needs?

Book a free on-site structural inspection and we'll recommend the right approach for your foundation.

BUILT ON STRUCTURAL INTEGRITY

Reliable & Trusted Underpinning
Built Around Your Schedule

We protect the value of your property with full coverage, dedicated in-house crews, and guaranteed work.

WHY WORK WITH GTA UNDERPINNING:

  • Dedicated In-House Crews
  • Flexible Scheduling
  • Heritage Home Experts (140+ Yrs)
  • Fully Insured & Bonded
  • WSIB Good Standing
  • 200+ Jobs Completed
PROVEN TRACK RECORD

Trusted Across the Greater Toronto Area

25
Years Experience
10
Team Members
200+
Jobs Completed
35+
Cities Serviced

Start With A Free Structural Consultation

Book a free, no-obligation on-site inspection today.

CALL 416-822-3106