KingProof PVPR®
A flexible PVC waterproofing membrane for roofs.
SpecWorld has the Spec Pack, CSI specification and drawings for registered specifiers.
Overview
KingProof PVPR is a high quality, UV-resistant, flexible polyvinyl chloride (PVC) waterproofing sheet reinforced with a high-performance polyester mat.
KingProof PVPR is available in "reflecting white" version with the upper side of the membrane (top) treated in an entire layer that covers the top of the reinforcement. This process enhances the reflectance and emission features giving the membrane a Solar Reflectance Index (SRI) values that reach 100%.
Where to use
KingProof PVPR is used in waterproofing of exposed and covered roof systems like:
- Tiled roofs.
- Inverted roofs.
- Green roofs.
- Exposed and mechanically fastened membrane on metal decks roofs.
Why use it
- Excellent resistance to weathering.
- High UV resistance.
- Highly resistance to puncture and mechanical impact.
- Long lasting, high service life.
- Remains flexible at low temperatures.
- Can be easily welded using hot air even at low temperatures.
Technical properties
Standards and approvals
KingProof PVPR complies with EN 13956:2005 for roofing membranes.
How to use
Method of use
KingProof PVPR must be installed by experienced and qualified personnel.
| Technical Properties | KingProof PVPR120 |
|---|---|
| Thickness: EN 1849-2 | 1.20 (-5%/+10%) mm |
| Mass per unit area: EN 1849-2 | 1.50 (-5%/+10%) kg/m² |
| Technical Properties | KingProof PVPR150 |
|---|---|
| Colour | Grey / black |
| Application temperature | -15°C to 50°C |
| Visible defects: EN 1850-2 | Not present |
| Width: EN 1848-2 | 2.10 (-0.5%/+1%)m |
| Straightness: EN 1848-2 | ≤ 30 mm |
| Flatness: EN 1848-2 | ≤ 10 mm |
| Thickness: EN 1849-2 | 1.50 (-5%/+10%)mm |
| Mass per unit area: EN 1849-2 | 1.80 (-5%/+10%) kg/m² |
| Water tightness: EN 1928 | Pass |
| Reaction to fire: EN 13501-1 | Class E |
| Reaction to external fire: EN 13501-5 | Broof (t1), Broof (t2), Broof (t3) (specific versions) |
| Joint peel resistance: EN 12316-2 | ≥ 260 N/50 mm |
| Joint shear resistance: EN 12317-2 | ≥ 1000 N/50 mm (specimen fails outside bond area) |
| Water vapour coefficient: EN 1931 | 21,000 ± 30%μ |
| Tensile strength: EN 12311-2 Longitudinal Transversal | ≥ 1000 N/50 mm ≥ 1000 N/50 mm |
| Elongation: EN 12311-2 Longitudinal Transversal | ≥ 18% ≥ 20% |
| Tearing strength: EN 12310-2 Longitudinal Transversal | ≥ 200 N ≥ 220 N |
| Resistance to impactEN 12691/AEN 12691/B | ≥ 500 mm ≥ 2000 mm |
| Flexibility under low temperature: EN 495-5 | ≤ -30°C |
| UV exposure: EN 1297 | Pass |
| Hail resistanceEN 13583 Rigid substrate Soft substrate | 17 m/s 25 m/s |
| Dimensional stability: EN 1107/2 | ≤ 0.3% |
| Resistance to static loading: EN 12730/B | ≥ 20 kg |
| Technical Properties | KingProof PVPR180 |
|---|---|
| Thickness: EN 1849-2 | 1.80 (-5%/+10%) mm |
| Mass per unit area: EN 1849-2 | 2.20 (-5%/+10%) kg/m² |
Surface preparation
Surface must be clean, sound and dry. Remove any
poorly attached materials or contaminations. Cover or remove any sharp elements which could damage the PVC membrane. A compatible clean and dry separation layer should be placed between the substrate and the PVC membrane.
Application
KingProof PVPR can be applied on roofs by two methods:
Fixing method
The membrane is mechanically anchored in the overlapping seams, and loosely laid under ballast layer.
Welding method
Use a manual or an automatic hot air welding machine with a pressure roller to join the overlapping membrane sheets together. The width of the joint must be at least 30 mm. Adjust the temperature and machine speed of the air welding machine according to the ambient conditions.
To ensure all the welding is done correctly, all seams must be tested with screw driver or steel needle after the joint has cooled. Unwelded points must be repaired with a welding tool.
Limitations and notes
KingProof PVPR should not be in direct contact with bitumen, oil, solvent and tar as well as plastics other than PVC. On these surfaces it requires a separation layer of non-woven fabric (> 300 g/m²).
Coverage, packaging and storage
Packaging
Each roll is packed in clear LDPE film
KingProof PVPR120: 1.2 mm x 2.1 m x 20 m.
KingProof PVPR150: 1.5 mm x 2.1 m x 16.5 m.
KingProof PVPR180: 1.8 mm x 2.1 m x 15 m.
Storage
Shelf life is 1 year when stored under cover, out of direct sunlight and protected from extremes of temperature.
Failure to comply with the recommended storage conditions may result in premature deterioration of the product or packaging. For specific storage advice consult KingKrete's Technical Services Department.
Health and safety
As with all chemical products, care should be taken during use and storage to avoid contact with eyes, mouth, skin and foodstuffs. Treat splashes to eyes
and skin immediately. If accidentally ingested, seek
medical attention. Reseal containers after use. Use in well ventilated areas and avoid inhalation.