Algoma Contractors Inc.


Algoma offers full concrete waterproofing services. Excessive water moisture on walls can lead to irreparable damage, including mould growth, structural damage, and corrosion to steel. Algoma's waterproofing professionals help choose and apply the right product for any structure. 

Below-grade concrete surfaces are especially vulnerable to moisture intrusion. Concrete is by design a porous material.

Concrete waterproofing is well-suited for sewage, water treatment plants, reservoirs and sewage, secondary containment structures, foundations, underground vaults, subway systems and tunnels, and parking structures.


Our team is prepared for any type of waterproofing application with trained equipment operators. Algoma provides solutions for even the most challenging requirements, contributing to efficient, long-lasting infrastructure fulfilling stringent approvals.

Algoma Coatings Inc. are certified applicators of Tremco, Gemite, Grace, Soprema and W.R.Meadows products.

Concrete Waterproofing Services

Algoma will consult with clients, discussing their needs and problems, then develop and implement specialized repair procedures applicable to the task at hand. A fast turnaround is possible for plant shutdowns using specialized products, keeping downtime to a minimum.

Advantages of Concrete Waterproofing Coatings

Advantages of concrete waterproofing like Xypex Waterproofing Systems include:

  • Resists extreme hydrostatic pressure
  • Becomes an integral part of the substrate
  • Allows concrete to breathe
  • Non-toxic and resistant to aggressive chemicals
  • Does not require dry weather or a dry surface
  • Cannot puncture, tear, or come apart at the seams
  • No costly surface priming or levelling prior to application
  • Does not require sealing, lapping and finishing of seams at corners, edges or between membranes
  • Can be applied to the positive or the negative side of the concrete surface
  • Does not require protection during backfilling or during placement of steel, wire mesh or other materials
  • Less costly to apply than most other methods
  • Not subject to deterioration