Waterproof Concrete Admixture - Koster BDM
Verified by manufacturer 5 months ago
ISO 9001 Quality Management
Certificate type
Koster BDM combines all three important characteristics for a waterproof concrete admixture. It crystallizes, blocks capillaries and makes the concrete inherently water-repellent.
Application
Decreases the water absorption of concrete where low absorption is demanded and is suitable for:
- All structural concrete mixes including ready-mix and pre-cast.
- Below-ground structures (habitable and car parks) including, basements, lift pits, slabs, liner walls and capping beams.
- Podium decks and green roofs.
- Water-retaining structures including swimming pools, ponds and reservoirs.
- Volatile ground conditions e.g. waste transfer stations.
- Ideal in tunnel or bridge design.
Description
A high performing liquid additive which can be used as part of a reinforced concrete mix design to comply to Type B waterproofing and can be used in all Grades according to BS 8102 2022.
Features and benefits:
- Can be used as a single waterproofing system.
- It raises the chemical resistance of the concrete therefore increasing the structures life.
- Crystallizes and blocks the pores within concrete.
- Raises the inherent water resistance of the concrete significantly.
- Does not contain any corrosive or aggressive ingredients.
- Can provide both positive and negative side resistance.
Full bespoke design service available. Please contact technical@kosteruk.com for more information.
General information
Color | Clear |
Finish | Other |
Material | Polymer Liquid |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Ten year |
Uniclass | |
CAWS | E10/20 Designated concrete E10/418 Proprietary admixture |
Product range |
Specification data - Waterproofing mortar admixtures
Performance requirements | Tested according to DIN EN 12390-8:2009-07 (depth of water penetration in concrete under pressure).Guidance for specification option: Bremen Institute for Materials Testing (MPA), test report 50083-10. |
Dosage (% by weight) | 2.Guidance for specification option: Of cement content. |
Appearance | Milky. |
Density | Approx. 1.1 g/cm³. Manufacturer guidanceDensity at 20°C. |
Viscosity | Approx. 100–200 mPa·s. |
Working temperature | + 5°C. Manufacturer guidanceMinimum working temperature. |
Storage | Frost-free at temperatures between + 5°C and + 25°C. Guidance for specification option: Can be stored for a minimum of 12 months in originally sealed packaging. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Germany |
Country of product manufacture | Germany |
Recyclability | No |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
Third party certifications
ISO 9001 Quality Management
Koster Bauchemie AG - ISO 9001 Certificate
Literature
Koster BDM - Waterproof Concrete Admixture - TDS
Koster Waterproofing Systems Company Brochure
Koster Waterproofing Systems: The Green Pages of Waterproofing and Construction Chemicals
Koster Waterproofing of Construction Joints