Balcony Repair & Waterproofing

Permanent Waterproofing
Concrete Restoration

Cost Savings

Since we can do extensive patching, condo balcony flooring and other balcony surfaces can be restored instead having to be recast*.

* Slab recasting is done if specified by structural engineers.

Application Benefits

Cost Savings

No need for recasting balcony slabs.

Flood Damage Prevention

Inverted balcony slopes are corrected.

Safe Durable Surfaces

Specialized non-slip paint for full waterproofing. 

Permanent Waterproofing

Materials rated to last 25 years.


Balcony Slope Reversal

Our specialized materials that allow for thin patch applications​ make it possible to reverse inverted or flat balcony slope.

Repair Method

Balcony Slope Reversal

Possible through thin patch applications.

Crack Repair

Single-defined and multiple cracks.

Concrete Patching

Minimal demolition needed.

Decorative Protective Finish

UV-resistant finish for durable waterproofing.

Call our experts to find
a solution that is right for you!
Balcony Waterproofing & Restoration
We offer a full range of repairs and waterproofing - patching, crack repairs, and slope reversal. A specialized finish ensures lasting results and a surface that is safe to walk on.


For over six years, Joint Seal Waterproofing, has been providing balcony restoration and waterproofing in Toronto, the GTA and the surrounding areas. We specialize in thin patch applications that allow for balcony slope reversal.


High-strength concrete adhesives allow us to perform all concrete repairs efficiently, ensuring long-lasting results.


Joint Seal Waterproofing Inc.

(647) 479-4069
10 Plastics Ave., Toronto, ON M8Z 4B7

© by Joint Seal Waterproofing Inc.