Polyurea Spray Waterproofing

PA.VE.SA. srl offers state-of-the-art continuous waterproofing systems using innovative, high-resistance spray-applied polyurea with high-pressure bi-mixer equipment. This methodology represents the most modern and effective solution to permanently resolve water infiltration issues in any structure, whether civil or industrial.

Applied hot at high pressure, the polyurea reacts instantly to create a seamless, highly elastic membrane. Free of joints and seams, it adapts perfectly to complex geometries and various substrates.

Key Applications

Industrial & Civil Roofs: Definitive waterproof protection for roofs, terraces, and flat decks without removing the existing bitumen membrane or floor.
Containment Basins & Treatment Tanks: Seamless, chemical-resistant elastic lining for water basins, treatment plants, tanks, and pools.
Vehicular Decks & Ramps: Hard-wearing, waterproof coatings resistant to heavy vehicle traffic and de-icing salts.
Anticorrosive Protection: Waterproof and anti-corrosion linings for metallic surfaces or concrete structures exposed to highly aggressive environments.

The Advantages of Polyurea (The “Zero Demolition” Technology)

Choosing spray-applied polyurea delivers exceptional operational and economic benefits compared to traditional waterproofing methods:

[!TIP] Zero Demolition and Disposal Costs: Polyurea is applied directly onto the existing substrate (bituminous membranes, concrete, metal, wood), completely eliminating costs associated with dismantling, transporting, and landfilling old materials.

Fast Return to Service (Trafficable in 60 seconds): The product’s curing time is immediate. The surface is walkable within one minute of application, minimizing site downtime and operational interruptions.
Outstanding Flexibility and Elasticity: With elongation at break exceeding 400%, polyurea effectively absorbs structural movements and substrate micro-cracks without rupturing.
Seamless Monolithic Membrane: Spray application creates a single, continuous shield, eliminating the critical overlap points common in traditional sheet rolls.
Chemical & Mechanical Resistance: Excellent stability in contact with acids, bases, hydrocarbons, and remarkable resistance to punctures and abrasion.

Technology and Service Quality

PA.VE.SA. srl utilizes exclusively professional Graco bi-mixer equipment operating at high pressure and controlled temperatures, ensuring the perfect mixing and chemical reaction of the components. Our technical staff undergoes continuous training to deliver flawless on-site execution.

Every project is preceded by a thorough substrate analysis and customized mechanical preparation (shot-blasting, grinding, or hydro-washing) to guarantee maximum adhesion of the membrane.

Certifications and Warranties

All our interventions are carried out in compliance with UNI EN standards and covered by insurance warranties. Our company is ISO 9001:2015 certified and works in synergy with the world’s leading manufacturers of resins and protective membranes, using materials certified with European Technical Assessment (ETA).