(6-10 mm)
Exposed waterproofing membrane layer as wearing layer.
For bridges where asphalt is not an option, we offer a heavy duty driving wear layer based on a flexible PMMA mixed with hard and extremely durable bauxite aggregate. This system bonds with the substrate and provides a sealed wear layer in combination with a flexible, crack-bridging barrier membrane and surface friction suited for walking and cycling. Dencryl Bridge Traffic provides a low density option to provide a wear, impact and abrasion resistant surface that will offer corrosion resistance, slip resistance and limited maintenance requirements. It can be used on new bridge construction, routine maintenance or bridge restoration applications. Dencryl Bridge systems are only installed by authorised and approved applicators.
Will adhere well to dry and clean surfaces including steel and pipe outlets etc.
Will resist rain and snow within 45–60 minutes of installation
Flexibility sufficient to bridge cracks in excess of 3.5 mm in well below freezing conditions.
Very easily repaired if damaged.
Rapid setting and curing enables limited ‘possession’ and rapid handover irrespective of ambient conditions.
Bridges are continuously exposed to severe stresses and typical factors affecting their longevity, include inadequate protection specified at design phase, quality and handling of concrete and/or steel, physical and chemical exposure, climatic conditions, traffic types and frequency and regularity and quality of maintenance. Dencryl Bridge Deck Waterproofing systems provide 100% effective seamless waterproofing thereby denying entry of water, chloride and de-icing salts from permeating into and percolating through the structural concrete deck and thus preventing the steel reinforcement corroding. This also includes corrosion inhibition of orthotropic steel decks etc. where these are the decks of choice.
Road bridges
| LAYER | PRODUCT | CONSUMPTION (kg/m²) | INTERMEDIATE | THICKNESS (mm) | APPLICATION |
|---|---|---|---|---|---|
| Primer | Dencryl P11/P12 (Depending on substrate) | 0.3 - 0.5 | Light sand scatter 0.3 - 0.8mm on wet surface | Min 0.3 | Rubber squegee and paint roller |
| Membrane | Dencryl M42 | Min 2.8 | Reinforced fiber fleece (optional) | Min 2.0 | Notched rubber squegee |
| Wear layer | Dencryl M42 + aggregate | Min 2.8+ aggregate | Full broadcast | Min 6.0 | Notched rubber squegee |
| Topcoat | Dencryl S31 | 0.6 -0.9 | None | 0.5 - 0.8 | Rubber squegee and paint roller |
Properties
Value
Fully cured at 20°C
2 hours
Applied thickness
6 - 10 mm
Water Permeability
Nil – Karsten test (impermeable)
Hardness
SHORE D 80
Compressive strength
85 MPa
Reaction to fire
Dfl-s1
Bond strength
>1.5 MPa
Temperature resistance
Up to 80°C at 6 mm
Thermal expansion coefficient
<40 ppm
Abrasion resistance
50 mg / 1000 cycles (Taber Abrader)
Thermal conductivity
< 0,4 W/m·K
Anti-slip according to DIN 51130
R9 – R13
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