FLEXI-SEAL 833 is a high-quality acrylic emulsion waterproofing membrane reinforced with fiber to deliver outstanding durability, flexibility, and long-term weather protection. Specially formulated for exterior wall applications, the membrane forms a seamless, elastic, and protective barrier capable of accommodating minor structural movement, surface expansion, and hairline cracking.
Its fiber-reinforced composition enhances mechanical strength and crack-bridging performance, ensuring stable protection against moisture penetration, rainwater exposure, and environmental pollutants. FLEXI-SEAL 833 also features excellent resistance to mould and fungal growth, preserving the integrity and appearance of exterior surfaces over time. The membrane adheres strongly to concrete, plaster, brickwork, and other mineral substrates, making it ideal for residential, commercial, and industrial façade waterproofing projects.
• 2.5 kg
• 5 kg
• 20 kg
1.5 to 2 m² per litre depending on substrate condition and membrane thickness.
In Stock
| Property | Specification |
|---|---|
| Product Type | Fiber-reinforced acrylic waterproofing membrane |
| Base | Water-based acrylic emulsion |
| Flexibility | Highly flexible for crack-bridging and movement absorption |
| Resistance | Excellent mould, mildew, and fungal resistance |
| Application Areas | Exterior walls, façades, and architectural surfaces |
It is used for waterproofing and protecting exterior walls.
Yes, it contains internal fibers for improved strength and crack-bridging.
2.5 kg, 5 kg, and 20 kg.
1.5 to 2 m² per litre depending on the surface.
Yes, it has excellent resistance to mould, mildew, and fungus.
Yes, it is highly flexible and bridges minor cracks.
It is primarily designed for exterior walls, but can be used on prepared surfaces.
Yes, it is a single-component, ready-to-apply membrane.
Concrete, plaster, brickwork, and mineral substrates.
No, it should not be used in permanently immersed areas.
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