Hydrobloc Duraplast WR is a high-performance, polymer-modified, fibre-reinforced waterproof cementitious plaster designed for application thicknesses from 5 mm to 25 mm. Powered by advanced Addiflex CSH crystalline waterproofing technology and silane hydrophobic additives, the system provides integral waterproofing, enhanced water repellency, low permeability and long-term durability for internal and external applications exposed to severe environmental conditions.

The product is specifically engineered for:

• Coastal and sea-facing environments.
• High UV exposure.
• Wet areas and water retaining structures.
• Protective rendering of concrete and masonry substrates.

Hydrobloc Duraplast WR provides a dense, durable and water-resistant matrix while maintaining vapor permeability.

Key Features & Benefits:

• Integral crystalline waterproofing technology.
• Advanced silane-based water repellency.
• Water-resistant and water-repellent matrix.
• Fibre reinforced for shrinkage crack control.
• Polymer modified for improved adhesion and durability.
• Excellent UV, chloride and marine resistance.
• Low permeability and dense matrix structure.
• Suitable for 5–25 mm application thickness.
• Suitable for internal and external applications.
• Compatible with wet areas and swimming pool backing systems.
• Vapor permeable protective plaster system.

Packaging & Coverage:

25 kg moisture-resistant bags.

Storage & Shelf Life:

• Store in dry, cool conditions protected from moisture and direct sunlight.
• Shelf life is approximately 6 months in unopened original packaging.