KingProof PUR150®
Spray-applied, two-component pure polyurea membrane for waterproofing and protection.
SpecWorld has the Spec Pack, CSI specification and drawings for registered specifiers.
- Tensile strength ASTM D412
- ≥ 15 MPa
- Bond strength to concrete
- ≥ 4 MPa
- Elongation ASTM D412
- ≥ 300%
- Shore A hardness ASTM D2240
- ≥ 75 ± 5 @ 7 days
Overview
KingProof PUR150 is a sprayable, high-quality, two-component, 100%-solids, aromatic pure-polyurea coating that cures to form a solid, seamless, watertight and waterproof high-density polyurea membrane with high mechanical properties. It has excellent adhesion to many common construction surfaces – concrete, ceramic tiles, metals, aluminium, plywood and asphalt/bituminous sheets – when used with a suitable primer.
Where to use
Waterproofing and protection of:
- Sloped and flat (walkable) roofs, balconies and overhangs, with a top coat for UV protection on exposed areas
- Under XPS insulation as part of an inverted or vegetative roof system
- Retaining walls and foundations
- Concrete/steel water-storage tanks
- Car-park and bridge decks
- Desalination and water-treatment plants
- Swimming pools, aquariums and lakes
- Green roofs and planters
Why use it
- Solvent-free
- Excellent mechanical properties – high tensile and tear strength, high abrasion resistance
- Excellent adhesion to all common substrates
- Fast application and fast curing/overcoating
- Strong, flexible, seamless and monolithic membrane
- Excellent thermal resistance – max service temperature 90°C, withstands short-duration up to 250°C
- Cold resistance down to -30°C
- Environmentally friendly, free from harmful VOC
Technical properties
| Colour | Various |
|---|---|
| Density (cured film) | 1.10 ± 0.05 g/cm³ |
| Solid content (ISO 1768) | 100% |
| Tack-free time | 5 – 7 sec |
| Recoating time | 4 min – 3 hr |
| Light pedestrian traffic | 12 hr |
| Vehicle traffic | 2 – 3 days |
| Service temperature | -30 to 90°C |
| Shore A hardness (ASTM D2240) | ≥ 75 ± 5 @ 7 days |
| Taber abrasion, CS17 (ASTM D4060, 1000 g/1000 cycles) | 20 mg |
| Tensile strength (ASTM D412) | ≥ 15 MPa |
| Bond strength to concrete | ≥ 4 MPa |
| Bond strength to steel | ≥ 2.0 MPa |
| Elongation (ASTM D412) | ≥ 300% |
| Tear strength (ASTM D624) | ≥ 80 N/mm |
| Crack bridging (ASTM C1305 @ 23°C) | No cracks after 10 cycles |
| Water-vapour transmission (ASTM E96) | Medium; 0.6 – 6.0 g/(m²·hr) |
How to use
Method of use
Surface Preparation
The surface should be clean, dry, sound and free from oil, grease, laitance and loose particles. New concrete must be cured for at least 28 days, with a minimum compressive strength of 25 MPa and adhesion strength of 1.5 MPa. Fill surface irregularities with a suitable epoxy resin mortar. Do not apply in the presence of moisture.
Priming
Prime the prepared substrate with a suitable KingKrete polyurethane primer appropriate to the substrate and its moisture condition. Consult the KingKrete Technical Department for specific primer recommendations based on the project conditions.
Application
KingProof PUR150 is applied using suitable two-component, heated, high-pressure plural-component spray equipment by trained applicators. Apply to the primed surface to achieve the specified thickness, maintaining a consistent wet film. For exposed areas, protect with a suitable aliphatic polyurethane UV top coat.
Coverage, packaging and storage
Packaging
KingProof PUR150 is available as component A (Iso) in 220 kg drums and component B (Resin) in 214 kg drums.
Storage
Store in unopened original packaging in cool, dry conditions, protected from frost and direct sunlight. For specific storage advice, consult the KingKrete Technical Services Department.
Health and safety
Apply in well-ventilated areas using appropriate respiratory and skin protection; do not smoke or apply near naked flames. Avoid contact with the eyes and skin. For further information, refer to the Safety Data Sheet.