0 items
Rs. 0.00
Fosroc Brushbond Grey Two-Component Cementitious Waterproofing Coating, 27.28kg Kit
Fosroc Brushbond Grey Two-Component Cementitious Waterproofing Coating, 27.28kg KitIn stock
Regular price
Rs. 2,300.00
Regular price
Sale price
Rs. 2,300.00
Unit price
₹0.0/
Incl GST
Shipping calculated at checkout.
Couldn't load pickup availability
Product Highlights
- Manufacturer: Fosroc International Limited
- Product Name: Brushbond Grey
- Type: Two-component, acrylic polymer-modified cementitious waterproofing coating
- Pack Size: 27.28 kg / 27.28 Litre combined pack
- Form & Components: Part A (liquid polymer activator) + Part B (grey cementitious powder base)
- Hydrostatic Resistance: Resists up to a 7-meter positive water head pressure
- Chemical Properties: Non-toxic, breathable, and highly adhesion-optimized
- Packaging: Multi-component industrial kit (liquid container and moisture-proof powder sack)
Product Description
Fosroc Brushbond Grey (27.28kg / 27.28L) is an advanced, two-component, acrylic polymer-modified protective coating designed to provide a highly efficient, seamless waterproofing barrier for concrete and masonry. Formulated by blending a specialized liquid polymer (Part A) with a factory-graded cementitious powder (Part B), this product cures into a tough, rigid, yet breathable membrane that blocks water penetration while allowing internal moisture vapor to escape.
Unlike standard waterproofing paints or tar coatings that crack under sun exposure or peel away from moisture, Brushbond Grey exhibits exceptional adhesion to damp concrete substrates. It is engineered to withstand a positive hydrostatic water head pressure of up to 7 meters, making it completely watertight even under significant fluid depth.
This formulation is ideal for severe structural environments. It creates an excellent barrier against carbon dioxide, chloride ions, and aggressive atmospheric gasses, shielding embedded steel reinforcement bars from structural rust. Because it is non-toxic and chloride-free, it is safe and approved for lining internal surfaces of drinking water tanks, wet areas, and heavy-duty external concrete infrastructures.
Key Highlights & Features
- 7-Meter Hydrostatic Resistance: Provides a secure barrier capable of resisting up to a 7-meter positive water head, ideal for deep tanks and basements
- Excellent Substrate Adhesion: Bonds strongly to both porous and non-porous damp concrete, masonry, brickwork, and cement plaster surfaces
- Breathable Coating Matrix: Allows internal concrete dampness to evaporate out as vapor, preventing surface blistering, bubbling, or peeling
- Anti-Carbonation Barrier: Seals concrete against aggressive carbon dioxide gas and chloride ions, preventing internal rebar corrosion
- Non-Toxic & Potable Safe: Formulated with eco-safe components, making it fully approved for contact with public drinking water systems
- Seamless Membrane Application: Replaces unreliable sheet membranes with a continuous, joint-free liquid barrier that eliminates seam leaks
- Pre-Batched Precision Kit: Factory-proportioned 27.28kg setup ensures the chemical ratio of liquid to powder is perfect for maximum water resistance
Technical Specifications
| Property / Specification | Performance Metric & Details |
|---|---|
| Brand | Fosroc |
| Product Model | Brushbond Grey |
| Material Composition | Two-Part System: Acrylic Liquid Polymer + Cementitious Powder |
| Combined Pack Weight / Volume | 27.28 kg / 27.28 Litres |
| Colour After Curing | Concrete Grey |
| Hydrostatic Pressure Resistance | Up to 7.0-meter positive water head |
| Theoretical Coverage Rate | ~16 to 18 m² per pack at 1.0mm thickness (spread across 2 coats) |
| Pot Life at 30°C | Approximately 45 to 60 minutes after mechanical mixing |
| Bond Strength to Concrete | ≥ 1.0 N/mm² (Exceeds standard structural concrete failure limits) |
| Application Tooling | Stiff masonry brush, roller, or specialized industrial spray hopper |
Primary Applications
- Potable Water Storage: Internal lining for domestic or commercial drinking water tanks, underground reservoirs, and overhead water towers
- Wet Area Protection: Waterproofing under-tile floor bedding in residential bathrooms, industrial kitchens, laundry areas, and public shower blocks
- Building Infrastructure: External coating for concrete retaining walls, foundation footings, lift pits, and underground sumps
- Water Drainage Channels: Sealing irrigation channels, storm-water drains, culverts, spillways, and public water transport structures
- Bridge & Marine Decks: Protecting bridge abutments, piers, parapet walls, and marine structures from sea-spray weathering and humidity
Installation & Usage Recommendations
- Mixing Ratios & Consistency: Always pour the liquid polymer component (Part A) into a clean mixing container first, then slowly add the powder (Part B) while stirring. Do not add extra water, as this dilutes the polymer concentration and ruins the waterproofing seal
- Mechanical Mixing Process: Do not mix by hand. Use a slow-speed power drill (400–500 RPM) with a spiral mixing paddle. Mix continuously for 3 to 5 minutes until a completely smooth, creamy, lump-free slurry is formed. Let the mix stand for 2 minutes to allow trapped air to escape
- Substrate Pre-Wetting: The concrete surface must be completely clean, structurally sound, and free of oil or loose dust. Pre-wet the substrate thoroughly with clean water to achieve a Saturated Surface Dry (SSD) condition. Do not apply over freestanding puddles
- Two-Coat Application: Apply the mixed slurry using a stiff brush or roller at a thickness of 1.0mm. Apply the first coat in a single direction, allow it to dry for 2 to 4 hours, then apply the second coat perpendicular to the first to eliminate pinholes
Why Buy from HomeRun?
- 100% Authentic Fosroc Products: We source directly from authorized channels, ensuring you receive genuine, factory-fresh products backed by full manufacturer verification
- 60-Minute Bangalore Delivery: Minimize downtime on your job site with ultra-fast express delivery to active service zones across Bangalore
- Project-Friendly Availability: Whether you need a single 27.28kg pack for a quick home repair or multi-ton pallets for a commercial industrial project, we maintain constant inventory to fulfill orders of any scale
FAQs
1) Is Fosroc Brushbond Grey a glue or contact cement?
No, despite some marketplace descriptions using the term "contact cement," Brushbond Grey is a specialized two-part polymer-modified cementitious waterproofing coating. It's engineered to create a watertight, structural barrier over concrete walls and floors rather than functioning as a standard contact adhesive or structural building glue.
2) Can this waterproofing coating be safely used inside drinking water tanks?
Yes, absolutely. Fosroc Brushbond Grey is formulated with non-toxic, non-hazardous chemical raw materials. Once the two-component coating has fully cured for its recommended duration and has been thoroughly flushed with clean water, it's entirely safe for permanent contact with public potable drinking water supplies.
3) How many coats are required, and what is the drying time between them?
For proper hydrostatic water resistance, you must apply a minimum of two coats. The second coat should be applied as soon as the first coat becomes touch-dry and stable enough to support weight without wiping off — typically within 2 to 4 hours depending on local humidity. Apply the second coat at a right angle (90 degrees) to the first coat to guarantee zero pinholes or skipped areas.
4) Can I add a little extra water to the mix if the slurry starts thickening up?
No, adding extra water to the mixed kit is strictly forbidden. It breaks down the delicate acrylic polymer-to-cement ratio, which reduces bonding strength and ruins the water-blocking properties of the cured membrane. If the material starts to harden inside your mixing bucket before application, it has exceeded its pot life and must be discarded.
5) What area will one 27.28kg pack cover on a standard concrete wall?
One full 27.28kg pack will cover approximately 16 to 18 square meters when applied at a total thickness of 1.0mm. Because optimal structural protection requires a two-coat system, expect a final yield of around 8 to 9 square meters of finished, dual-layer waterproofed area per kit, depending on how rough or porous your concrete substrate is.
Returns & Exchange Policy
- Return within 24 hours of delivery for:
- Damaged, leaking, or defective product
- Completely wrong or missing components
- The product kit must be completely unused, unopened, with the liquid seals intact and the moisture-resistant powder bag undamaged
- Once either component has been unsealed, mixed, applied, or exposed to moisture on-site, the kit becomes entirely ineligible for return or exchange
- Refer to Refund Policy for complete details
- Choosing a selection results in a full page refresh.
- Opens in a new window.
