Basement Excavation & Waterproofing in Toronto

At Forward Slash Toronto, we provide basement excavation and waterproofing services in Toronto for homeowners looking to improve headroom, address moisture issues, or create fully usable living space below grade. These projects require careful planning, technical expertise, and a deep understanding of Toronto’s building conditions.

Whether you’re lowering your basement floor, addressing water infiltration, or preparing for a full basement renovation, we approach excavation and waterproofing with precision and care.

Basement Excavation & Underpinning

Many Toronto homes — particularly older properties — have basements with limited headroom. Basement excavation, often combined with underpinning, allows you to lower the basement floor while maintaining the structural integrity of the home.

Our services include:

  • Basement excavation and floor lowering

  • Underpinning to increase ceiling height

  • Structural coordination with engineers

  • Soil removal and disposal

  • Preparation for new slabs and drainage systems

We work closely with engineers and inspectors to ensure all structural work is completed safely and in compliance with the Ontario Building Code and City of Toronto requirements.

Basement Waterproofing & Drainage

A dry basement is essential — especially when planning finished living space. Our basement waterproofing services are designed to manage groundwater and protect your home long-term.

Waterproofing solutions may include:

  • Interior and exterior waterproofing systems

  • Weeping tile and drainage installation

  • Sump pumps and backwater valves

  • Foundation crack repair

  • Moisture management and vapor control

We assess each property individually to determine the most appropriate and durable approach.

A Careful, Coordinated Process

Basement excavation and waterproofing are not one-size-fits-all projects. Every home presents different structural conditions, soil types, and access constraints.

Our process focuses on:

  • Thorough assessment and planning

  • Engineering review where required

  • Clear scope and sequencing

  • Controlled excavation and structural work

  • Proper inspections and approvals

This measured approach helps minimize risk and ensures the work supports future renovations.

Basement Work for Toronto Homes

We carry out basement excavation and waterproofing across:

  • Downtown Toronto

  • Leslieville, Riverdale & East York

  • The Junction, Roncesvalles & High Park

  • North York, Scarborough & Etobicoke

Our experience includes century homes and older housing stock, where careful structural work and moisture management are critical.

Build Below Grade With Confidence

If you’re considering basement excavation, underpinning, or waterproofing in Toronto, Forward Slash Toronto offers a thoughtful, technically sound approach that prioritizes safety, durability, and long-term value.

Contact us to discuss your basement project and explore what’s possible below grade.