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#	Name	Notes	Size	Unit

WATstop ^Sale

Protective waterproofing solution for underground structures like walls, cellars, and pools. Ideal for preventing rising damp and alkali reactions.

Buy WATstop from $195.60 CAD

This product is on back-order due to high demand and will be available for shipping in 8–10 weeks.

Need it now? Air freight is available for an additional fee. Contact us for pricing

WATstop offers unparalleled waterproofing efficiency for the most demanding environments. This product is expertly designed for both positive and negative pressure applications, making it an ideal solution for underground structures such as walls, cellars, garages, pit-lifts, tunnels, and swimming pools. As a vapor barrier, WATstop excels when applied to concrete floors, effectively preventing issues related to rising damp, alkali reactions, and saltpetre. Additionally, it serves as an effective joint filler for tile floors.

Remarkably thin at only 2mm, WATstop provides a robust base for a variety of finishes including plasters, smoothers, various paints and coatings (acrylic, epoxy, and PU), and tiles.

WATstop can be applied directly to any wet or dry surface, internally or externally, using a roller, brush, or trowel.

Weight: 5 Kg ($167.29) or 10 kg ($297.18)

For additional inquiries, please submit our Contact form.

Key Features

Resistant to 9.5 ATM in both negative and positive pressure
No excavation or demolition if applied indoors
It can be used as a water barrier onto underground walls, in combination with Diasen’s Dehumidifying System
Excellent waterproofing, consolidating and filling properties
For use over many substrates
Creates a vapour barrier on concrete floors
Can be coated by plasters, smoothers, paints, tiles, coatings, etc.
Solvent-free product

Technical Performance

Format: Paste
Components: Three-component (A+B+C)
Waterproofing in positive pressure: 9.5 ATM - 132.3 psi
Waterproofing in negative pressure: 9.5 ATM
Adhesion to concrete substrate: 2.5 N/mm2 - 362.59 lbf/in2 (good)
Adhesion to expanded polyurethane panel: 1.25 N/mm2 (good)
Adhesion to expanded polystyrene : 1.5 N/mm2.
Adhesion to glazed ceramic tile: 2.5 N/mm2 - 362.59 lbf/in2 (good)
Adhesion of WATstop + Acriflex on polyurethane foam: 1.83 N/mm2 - 265.42 lbf/in2 (good)
Pot Life: 2 hours with 23°C/73.4°F and 50% of relative humidity (high temperatures decrease workability time)
Dry time: 24 hours
Package: Plastic Bucket
Weight: 5 k (11 lbs) or 10 kg (22 (lbs)

Application

Brush

Roller

Trowel

Product Yield

As vapour barrier:

Package: 5 kg (13 lbs) or 10 kg (22 lbs)

Coverage: 1 kg/m2 (0.2 lbs/ft²)

Per Package:

5 kg: 5 m² (55 ft²)

10 kg: 10 m² (110 ft²)

As waterproofing in counterthrust:

Package: 5 kg (13 lbs) or 10 kg (22 lbs)

Coverage: 2 kg/m² (0.4 lbs/ft²)

Per Package:

5 kg: 2.5 m² (27.5 ft²)

10 kg: 5 m² (55 ft²)

Suitable Substrates

Suitable for all substrates including areas with positive/negative thrust such as walls against the ground, underground rooms, lift shafts, garages, basements, cisterns tunnels, swimming pools or tanks

Certifications