Safeguard Drybase Tanking Slurry - 25kg - Grey - 10 Pack
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Product Information
Full details
Safeguard Drybase Tanking Slurry is an essential solution for contractors and homeowners seeking to waterproof concrete or masonry walls and floors in both above and below-ground environments. It provides superior high-pressure water resistance through a durable, cementitious formula, making it ideal for basements, tunnels, and water-retaining structures. While it offers excellent bonding and is safe for contact with drinking water, users should note that successful application requires thorough surface preparation to ensure optimal adhesion and long-term performance.
All features
| Brand | Safeguard |
|---|
Extended Product Information
FAQs
Can this be used on external walls?
Yes, Drybase Tanking Slurry is suitable for both internal and external use, provided the surface is concrete or masonry.
Does it need to be painted over?
It can be left as is, but it is compatible with various vapour-permeable coatings if a decorative finish is required.
Is it safe for drinking water storage?
Yes, the product is certified safe for contact with potable water.
Can it bridge movement cracks?
No, it is a rigid coating. Structural cracks should be repaired with an appropriate filler before application.
How many coats are required?
Two coats are typically required to provide a continuous, high-pressure waterproof barrier.
Troubleshooting
Slurry is cracking during the curing process
The product likely dried too quickly due to high heat or drafts; lightly mist with water to slow the curing process.
Poor adhesion to the substrate
Ensure the surface is free of dust, grease, or efflorescence; prime the surface if it is excessively porous.
Product is clumping during mixing
Always add the powder to the water slowly while using a mechanical paddle mixer to ensure even distribution.
Pros and Cons
Pros
- Suitable for both internal and external application
- Provides a robust barrier against hydrostatic pressure
- Compatible with a wide range of masonry and concrete surfaces
- Easy to apply using a standard trowel
- Durable, long-lasting protective layer
Cons
- Requires professional-grade surface preparation
- Not suitable for movement cracks or structural gaps
- Heavy packaging requires physical effort for transport
- Drying times can be affected by ambient humidity
Setup, Compatibility & Care
To prepare the substrate, remove all loose material, oils, and contaminants from the wall or floor. If the surface is particularly smooth, it may require mechanical etching to ensure a proper key. Mix the powder with water according to the provided ratio until a creamy, lump-free consistency is achieved. Apply using a masonry brush or a steel trowel, ensuring that the first coat is allowed to firm up—but not completely dry—before applying the second layer at a 90-degree angle. Once cured, the surface remains vapour permeable but acts as a complete water block. Clean tools immediately with water before the product hardens.