VANDEX BB 75 | 1C Cementitious Waterproofing Render
Cementitious waterproofing mortarsDescription
VANDEX BB 75 is a single-component cementitious waterproofing render applied to a thickness of 1.5–3 mm thick using a brush or spray, and is effective under both positive and negative hydrostatic pressure. It forms a hard, alkali-resistant surface, does not cause efflorescence and allows the concrete to breathe.
It is distinguished by a second function: it protects the reinforcement from corrosion and offers a specified resistance to carbonation — which is why it is classified as R3, a structural repair mortar. Below are the technical specifications, consumption rates per thickness and application conditions.
SUPER is applied into the concrete; BB 75 is applied on top of it. It therefore does two things that SUPER does not: it protects the reinforcement and resists carbonation. When the concrete is old and worn, BB 75 is the right choice.
Overview
Key Features
- Positive AND negative hydrostatic pressure
- Class R3 ≥ 25 MPa — structural repair mortar in accordance with EN 1504-3
- Corrosion protection for concrete reinforcement
- Declared resistance to carbonation — passed
- Declared adhesion ≥ 2 MPa
- Capillary absorption 0.06 kg/(m²·h⁰·⁵)
- Does not form surface salts — no efflorescence
- Resistant to alkalis and de-icing salts
- Vapour-permeable — reduces CO₂ penetration
- Single-component, water-only; approved for contact with drinking water
Where it is used
Technical solutions where this material is used.
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