# Basement Waterproofing Toronto
NTL Contracting & Waterproofing Inc. provides complete waterproofing services for homes, commercial properties, foundations and basements across Toronto and the GTA.
[Call Now: 416-850-4022](tel:4168504022) | [Request Free Inspection](/contact-us/)## Waterproofing Services
### Exterior Waterproofing
Exterior waterproofing helps stop water before it reaches the foundation wall. This service may include excavation, wall preparation, waterproof membrane installation, drainage correction and backfilling.
[Learn more about Exterior Waterproofing](/exterior-waterproofing/)### Interior Waterproofing
Interior waterproofing helps manage water inside the basement through interior drainage, sump pumps and restoration work when exterior excavation is not practical.
[Learn more about Interior Waterproofing](/interior-waterproofing/)### Crack Injection
Crack injection uses epoxy or polyurethane material to repair specific leaking foundation cracks.
[Learn more about Crack Injection](/crack-injection/)### Commercial Waterproofing
Commercial waterproofing services are available for elevator pits, foundations, parking structures, site drainage and larger construction projects.
[Learn more about Commercial Waterproofing](/commercial-waterproofing/)## Signs You May Need Waterproofing
– Water leaking through basement walls
– Damp or musty basement smells
– Foundation cracks
– Water pooling near the foundation
– Efflorescence on basement walls
– Mold or mildew growth
## Why Choose NTL
– 25+ years of construction experience
– Residential and commercial waterproofing expertise
– Skilled and experienced crews
– Proven waterproofing systems
– We perform the work ourselves — no subcontracting
## Serving Toronto and the GTA
NTL serves Toronto, Vaughan, Richmond Hill, Markham, Mississauga, Etobicoke, North York, Scarborough and nearby GTA communities.
## Request a Free Waterproofing Inspection
Call [416-850-4022](tel:4168504022) or request an inspection through the contact page.
[Request Free Inspection](/contact-us/)