(3-4 mm)
Waterproofing membrane layer under asphalt.
Dencryl Bridge Road is a polyurethane & methylmethacrylate hybrid spray applied waterproofing membrane for use at concrete- and steel bridges. Dencryl Bridge Road Waterproofing system 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.
Dencryl Bridge systems are only installed by authorised and approved applicators.
Sufficiently resilient even after 45 – 60 minutes of being applied to allow hot rolled asphalt equipment to traffic Dencryl Membrane without protection board.
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
Bond of membrane in excess of concrete tensile or cohesive strengths.
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
waterproofing membrane layer under asphalt
| LAYER | PRODUCT | CONSUMPTION (kg/m²) | INTERMEDIATE | THICKNESS (mm) | APPLICATION |
|---|---|---|---|---|---|
| Primer | Dencryl P11/P12 ( Denpending 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 - SP | Min 2.8 | None | Min 2.0 | Heated spray gun |
| Tack coat | Dencryl B24 | 0.3 - 0.5 | Broadcast quartz 1.0 - 2.0 mm | Min 0.3 - 0.5 | Rubber squegee and paint roller |
Properties
Value
Fully cured at 20°C
2 hours
Applied thickness
3 - 4 mm
Water Permeability
Nil – Karsten test (impermeable)
Hardness
SHORE D ≥40
Compressive strength
25 MPa
Reaction to fire
Dfl-s1
Bond strength
>1.5 MPa
Temperature resistance
Up to 80°C
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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