Capaproof PUA H LV

Low-viscosity polyurea membrane for waterproofing and protection

• Hybrid, low viscosity polyurea
• Ideal for waterproofing polyurethane foam systems

CAPAPROOF PUA H LV is a dual-component sprayable aromatic coating, suitable for waterproofing, protection and sealing. It is composed of two highly reactive liquid components, isocyanates and resins, which are mixed using our specific spraying equipment, to form a solid, continuous, watertight and waterproof polyurea membrane, without joints or overlaps, of high density, with high mechanical qualities, specially designed as a coating and protection for polyurethane foam systems.

Capaproof PUA H LV

For the waterproofing and protection of:
• Pitched or flat roofs of corrugated fibre cement, asbestos or similar.
• Protection of polyurethane foam thermal insulation systems.
• Furniture, decoration and theming
• Vehicle and boat coatings
• Flat walkable roofs, terraces, balconies and pitched roofs
• Inverted roofs (bottom insulation)
• Concrete slabs, retaining walls and foundations


225 kg metal drums in both components (Component A: isocyanates and Component B: amines)

Handling and transport

These safety recommendations during handling are necessary during the execution process, as well as in the processes before and after the execution in situations of exposure to machinery under load.
• Respiratory protection: When handling in aerosol form, an approved air-purifying respirator must be worn.
• Skin Protection: Wear rubber gloves. Remove immediately after contamination. Wear clean clothes that cover the whole body. Wash thoroughly with soap and water after work and before eating, drinking or smoking. Contaminated clothing should be washed and/or dry cleaned.
• Eye/face protection: Wear safety goggles to avoid splashing and exposure to spray mist.
• Waste: Waste generation shall be avoided or minimised. Incinerate under controlled conditions in accordance with local and national laws and regulations.
• In any case, please refer to the existing product safety data sheets, which are publicly available.

Aplication requirements (projection equipment)

For formation, it is necessary to mix the two initial liquid components, isocyanates and amines/polyols, by means of suitable dosing equipment. The most general parameters of this equipment shall be the following:
• Isocyanate heater temperature: 60-65ºC
• Amine heater temperature: 60-65ºC
• Hose temperature: ±65ºC
• Operating pressure: 2,500-3,000 psi
• Recommended mixing chamber: use mechanical purge chamber.
These temperature and pressure parameters must be assessed, ratified or slightly varied by the application agent, depending on the conditions of each climatic zone, climatic situation or according to the specifications of the spraying equipment.


The recommendations for use are based on our knowledge and experience. The technical data have been obtained under normal laboratory conditions and may vary depending on the conditions of installation. As the conditions of application are beyond our control, the information in this sheet does not imply any liability on the part of the company.


Declaraciones Medioambientales

Concienciados con el medioambiente