Birla Opus WATERPROOFING – B90, Hybrid PU Waterproof Coating, 20 Ltr
₹5,255.00 + GST ( 18 % )
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Description
Birla Opus Waterproofing – B90 is an ultra-luxury, liquid-applied waterproof coating made with acrylic–PU hybrid polymers. It offers excellent crack-bridging, high durability, and protects concrete and masonry surfaces from positive hydrostatic pressure up to 12 bar, preventing water leakage.
Features and Benefits
- Highly elastomeric PU hybrid polymer-based coating
- Reduces surface temperature by up to 12°C
- Crack-bridging ability up to 3 mm
- Seamless, flexible, and durable waterproof membrane
- Protects against positive hydrostatic pressure up to 12 bar
Application Area
- RCC roofs and terraces
- Exterior vertical walls
- Parapet walls and sunshades
- Podiums and horizontal slabs
Packaging
- 20 Kg Bucket
Coverage
- Terrace : 10 Sq.Ft. per Ltr in 3 coats
- Walls : Fresh painting – 25 sq.ft. per L
Re-painting: ~35–40 sq.ft./L
Technical Data
| Property | Value |
|---|---|
| Appearance | Viscous liquid |
| Tensile Strength | Upto 250 |
| Crack Bridging Ability | Up to 3 mm |
| Solar Reflectance Index | More than 100 (as per ASTM E1980) |
| Elongation | Upto 250 |
| Resistance to Positive Hydrostatic Pressure | Passes up to 12 bar |
Application Methodology of Birla Opus Waterproofing - B90
Surface Preparation :
Waterproof Coating Application :
Dilute 1 litre of Waterproofing – B90 with 300–350 ml water and apply the first coat. Allow to dry for 4–6 hours. Apply second coat undiluted, allow drying for 4–6 hours
Top Coat Application :
Horizontal Surfaces: Apply an additional perpendicular coat of undiluted Waterproofing – B90. Allow it to dry for 4-6 hrs.
Vertical Surfaces: Apply texture (optional), followed by 2–3 coats of Birla Opus Prime Exterior topcoat, allowing 4–6 hours between each coat.
Curing & Testing :
Allow 7 days air curing before conducting a ponding test.
Ponding test : 5 cm water height for 24 hours to ensure leak-free surface
Safety & Precautions :
- Refer to MSDS for detailed safety guidance
- Wear eye protection during application
- In case of eye or skin contact, rinse immediately with plenty of water.
- Harmful if swallowed; seek medical attention immediately
- Store in a cool, dry place away from children and food items
Limitations :
- Do not apply if temperature is below 10°C or above 45°C
- o not apply on wet or damp surfaces or when humidity exceeds 80%
- Do not apply if rain is expected within 48 hours
- Ensure no stagnant water remains on the surface
- Designed for foot traffic only, not vehicular or machinery movement
Storage and Shelf Life
- Best before 36 months from the date of manufacture, when stored in cool and dry place at original, unopened condition.
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