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Description
Sovereign Hey'Di Barrier Mortar – High-Performance Waterproof Repair Mortar - 25kgHydrophobic, Non Shrinking Mortar for Waterproofing & Tanking Junctions A high performance, cementitious repair mortar formulated to prevent water ingress at critical junctions. Designed for use as part of the Sovereign HeyDi Tanking System, it creates a durable fillet at wall wall and wall floor joints and can also be used for patch repairs. Its hydrophobic properties and high compressive strength ensure long term waterproofing without shrinkage or
Hydrophobic, Non-Shrinking Mortar for Waterproofing & Tanking Junctions
A high-performance, cementitious repair mortar formulated to prevent water ingress at critical junctions. Designed for use as part of the Sovereign Hey’Di Tanking System, it creates a durable fillet at wall/wall and wall/floor joints and can also be used for patch repairs. Its hydrophobic properties and high compressive strength ensure long-term waterproofing without shrinkage or cracking.
Key Benefits
- Forms watertight fillets at construction joints in tanking systems
- Hydrophobic & non-shrinking—resists cracking and water penetration
- High compressive strength over 40 N/mm²—suitable for structural repairs
- Extended working time up to 5 hours—ideal for complex prep work
- Excellent adhesion to concrete, stone, brick, and blockwork
Product Details & Coverage
- Form: Powder
- Colour: Grey
- Pack Size: 25 kg bag
- Yield: Approx. 15 L per 25 kg when mixed with water
- Coverage: Approx. 1 kg per linear metre for a 25 mm fillet
- Shelf Life: 12 months in dry, cool, off-ground storage
Application & Mixing Instructions
- Apply to clean, damp substrates only (avoid surface water).
- Mix powder with clean water to a firm, workable consistency.
- Apply 25 mm fillets at junctions immediately after the first coat of Hey'Di K11 has begun to stiffen (approx. 1 hour).
- Allow mortar to stiffen for 2–3 hours before overcoating with the second coat of K11.
- Do not apply in temperatures below +5 °C.
Usage & Safety
- Contains cement—may cause skin and eye irritation or burns.
- Wear protective gloves, clothing, and eye protection during use.
- Avoid contact with skin and eyes; rinse immediately with clean water if contact occurs.
- Use only in well-ventilated areas.
- Keep out of reach of children.
For comprehensive health and safety information, refer to the Safety Data Sheet.
Ideal For
- Forming fillets in waterproof tanking systems (Hey’Di K11)
- Basements, cellars, retaining walls, and below-ground structures
- Patching cracks and repairing damp-prone masonry
- Preparation before cementitious waterproof coatings
Comparison Table
| Feature | Barrier Mortar | Regular Mortar | Hydraulic Cement |
|---|---|---|---|
| Waterproof | Yes | No | Yes |
| Shrinkage-Free | Yes | No | Partially |
| Application on Active Leaks | Yes | No | Yes |
| Tanking Fillet Use | Yes | No | No |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy