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Systems

Dencryl Bridge Road

(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.

Benefits

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.

Applications

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.

Scope of use

Road bridges
waterproofing membrane layer under asphalt

Application conditions

Temperature -30ºC to 30ºC, best 15 to 25ºC, max. moisture content in the concrete subfloor 5% by weight.

Appearance

Dencryl™ Bridge is a smooth and flexible waterproofing membrane layer under asphalt

Temperature Resistance

Dencryl Bridge Road is resistant to temperature cycles up to 80°C. Extended periods at these temperatures and above will make material susceptible to chemical attack and abrasion wear.

Life Expectancy

more than 30 years

Colours

See separate color chart.

System Build-up

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

Technical Data

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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