Waterproof sheet CERAfix® 525
Sealing and uncoupling layer CERAfix 525
WTRPROFDECUPL-MEMBR-(CERAFIX 525)-45SM
CERAFIX
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Features
- Consists of an EVA copolymer membrane on polyester and polypropylene fibres.
- Compliant with standard EN 13956:2012
- One side of the sheet is specially designed to adhere to the existing surface, draining moisture without causing bubbles.
- For surfaces with residual moisture ≤ 5 %.
- Suitable for new construction and renovation.
- For indoor and outdoor applications.
- Both sides allow optimum grip with cement adhesive C2 S1, MASTERKOL PR01_5875100452/PR01_5875100453, used when installed as an adhered sheet.
Advantages
- High dimensional stability.
- High tensile strength.
- High puncture resistance against mechanical damage due to the occasional foot traffic experienced by flat roofs.
- Very good resistance to: putrefaction, natural ageing, weathering, UV radiation and swelling (residual moisture of the surface).
- Excellent flexibility.
- Limits deformations and stresses in the waterproofing membrane due to the high temperatures and thermal jumps to which flat roofs are subjected.
- Absorbs structural movements well.
- Can be used on vertical walls with C2 S1 cement glue.
- High capacity to adapt to different surface shapes.
Benefits
- No specialised labour, tools or systems required for installation.
- Lower costs and less work time on renovations.
- Complete Würth solution: Masterkol adhesive cement, waterproof sheet plus CERAfix® accessories and MS Polymer overlay sealant.
The side with the geotextile must be glued to the substrate, and the smoother side must be in contact with the tile.
Datasheets(X)
Waterproofing and uncoupling laid under ceramic tiles on flat, traffic-bearing and non-traffic-bearing surfaces, such as terraces, roofs, balconies and patios. NOT SUITABLE FOR SWIMMING POOLS, PONDS OR TANKS.
Follow the instructions in the CERAfix®525 SYSTEM application guide available at www.wurth.es
Material | Polyolefin |
Colour | White |
Length of roll | 30 m |
Roll width | 1.5 m |
Thickness | 1.25 mm |
Min. processing temperature | 5 °C |
Max. processing temperature | 35 °C |
Max. temperature resistance | 80 °C |
Min. temperature resistance | -30 °C |
Ultraviolet resistance | No, with outdoor weathering |
Technical data | |
| Weight | 525 g/m² |
| Thickness | 1.25 mm |
| Tensile strength (EN 12311-2) | L= 560 N/50 mm T= 400 N/50 mm |
| Elongation (EN 12311-2) | L= 51.5 % T= 76.1 % |
| Resistance to a static charge | 20 kg |
| Shear strength of overlaps (EN 12317-2) | 160 N/50 mm |
| Impact resistance (EN 12691) | 150 mm |
| Watertightness (EN 1928) | Compliant |
| Pliability | -35°C |
| Fire performance | F |
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