4610
CLAY CONTACT BRIDGE
Natural and ecological
- Natural and ecological. Ideal for ecological, new, historic and heritage buildings.
- Filled, rough texture: Significantly increases the adhesion of clay plasters to non-absorbent substrates.
- Reliably reduces and balances the water absorption of substrates.
- Soft and flexible clay-based: Naturally crack-reducing.
- Easy to apply by painting: brush, etc
Area of application
- Indoor: wall + ceiling
- Suitable for monuments and historical buildings
- Vapour permeable
Processing method
- For hand processing
- Contact bridge for non-absorbent substrates (e.g. concrete) or for transitions of substrate materials (mixed masonry) before application of core clay plaster.
Price list
Code
Packaging
Code
BC1 401 25 12 00VN
Packaging
25 kg
RECOMMENDED SYSTEM PRODUCTS
Processing details
Learn more about technical details for processing this product.
Substrate requirement
The substrate must comply with the applicable standards, must be solid, free of loose particles, free of dust, paint, residues of demoulding substances and efflorescence. It must be sufficiently rough, dry and evenly absorbent. The surface shall not be frozen or water-repellent. The substrate must be stable in volume and must have the required flatness.
Substrate preparation
Depending on the absorbency of the substrate and the climatic conditions, it needs to be moistened. If necessary, treat non-standard substrates with a suitable method to achieve the desired properties. The substrate must comply with applicable regulations, standards or material manufacturer's recommendations.
Preparation of the mixture
Prepare the material by pouring the dry mixture into the prescribed amount of water and mixing it. Use potable water or water complying with EN 1008 to mix the mixture. Mix using a slow speed propeller mixer. Mix to a homogeneous, lump-free mixture and leave to rest. Then mix again briefly. Use suitable machinery when processing by machine.
Water demand
| Quantity | Liters (Min) | Liters (Max) |
|---|---|---|
| 1 kg | 0.6 L | 0.8 L |
| 25 kg | 15 L | 20 L |
Mixing
Processing instructions
When applied by hand, the spray is applied with a brush or roller. The maximum layer is 4 mm. The mixture must be mixed periodically during application due to possible sedimentation of coarse aggregates. For machine application, we recommend the use of an older pump unit with a higher wear rate, as the rotor/stator can pump the grain size of the material more easily. Absorbent substrates must be moistened with water before application.
Application thickness
| Minimum layer thickness | 1.2 mm |
|---|---|
| Maximum layer thickness | 4 mm |
Consumption
Yield
| Material consumption | at | unit | Yield |
|---|---|---|---|
| 25 kg | 1,2 | mm | 16,25 m² |
Working time (potlife)
120 min
Treatment after application
Non-absorbent materials prolong the maturation period.
After application, the direct negative effects of sun, heat, humidity and draughts should be avoided. Protect from frost and rain. Direct heating of the surface is prohibited.
Tool and cleaning instructions
Wash off tools with water immediately after finishing work. Clean dried residues mechanically.
References
Technical parameters
| Main binder | Clay |
| Made of material | Aggregate, natural clay and sets improve the processing and utility properties of the product. |
| Max. grain size | 1,2mm |
| Adhesion after dry storage in ≥N/mm²(ETAG004) | 0.2 |
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