High-performance, liquid-applied polyurethane waterproofing membrane Sikalastic®-625 N is a 1-part, reinforced, cold applied, liquid polyurethane membrane. It provides a flexible, seamless waterproofing solution using Sika's unique i-Cure technology. - 1-part ready to use
- Low maintenance
- Seamless
- Easy to apply
- Applied by brush, roller, or airless spray
- Resistant to foot traffic
- Permeable to water vapour
- Very good resistance to permanent UV exposure
- Good flexibility at low temperatures
- Easily detailed around complex geometries
- Cold applied - requires no heat or flame
- Moisture-triggered technology develops early rain resistance
- Low temperature application > +2 °C
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Usage Sikalastic®-625 N is used for: - New construction and refurbishment projects
- Unreinforced waterproofing of profiled metal roofs
- Reinforced waterproofing of flat and pitched roof structures, communal walkways, podium decks and roof terraces exposed to pedestrian traffic
- Roofs with numerous details such as penetrations, drains, roof lights and complex geometry
Sikalastic®-625 N is used on the following substrates: - Concrete and cementitious substrates
- Bituminous felt and coatings
- Brick
- Natural stone
- Fibre cement
- Metal
- Wood
- Unglazed ceramic tiles
Please note: - The Product may only be used by experienced professionals.
- The Product may only be used for exterior applications.
Advantages - 1-part ready to use
- Low maintenance
- Seamless
- Easy to apply
- Applied by brush, roller, or airless spray
- Resistant to foot traffic
- Permeable to water vapour
- Very good resistance to permanent UV exposure
- Good flexibility at low temperatures
- Easily detailed around complex geometries
- Cold applied - requires no heat or flame
- Moisture-triggered technology develops early rain resistance
- Low temperature application > +2 °C
Packaging 15 L container Refer to the current price list for available packaging variations. Colour Cured colour | Light Grey (~RAL 7035), White (~RAL 9016), Slate Grey (~RAL 7015) |
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Technical Information Tensile Strength Reinforced | 13 MPa | Unreinforced | 6 MPa |
Solar Reflectance Index Initial (Convective coefficient, medium wind) | 110 |
External Fire Performance Broof (T1) Broof (T4) | (CEN/TS 1187) |
Dry film thickness WATERPROOFING KIT FOR ALL FLAT ROOFING TYPES ~ 1.5 mm DFT The categorisation of levels of performance in accordance with EAD-030350-00-0402 are: | Categorisation | Value | | Working life | W3 | | Climatic zones | M and S | | Imposed loads | P3 to P4 | | Roof slope | S1 to S4 | | Lowest surface temperature | TL4 | | Highest surface temperature | TH4 |
WATERPROOFING KIT FOR ALL METAL ROOFING TYPES ~ 0.7 mm DFT The categorisation of levels of performance in accordance with EAD-030350-00-0402 are: | Categorisation | Value | | Working life | W2 | | Climatic zones | M and S | | Imposed loads | P3 | | Roof slope | S1 to S4 | | Lowest surface temperature | TL3 | | Highest surface temperature | TH3 |
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Application Information Product Temperature | Maximum | +30 °C | | Minimum | +2 °C |
Ambient Air Temperature Maximum | +30 °C | Minimum | +2 °C |
Dew Point Beware of condensation. Substrate temperature during application must be at least +3 °C above dew point. Substrate Temperature Maximum | +30 °C | Minimum | +2 °C |
Substrate Moisture Content Substrate | Test method | Moisture content | Cementitious substrates | Calcium carbide method (CM-method) | ≤ 4 % |
No rising moisture (ASTM D4263, polyethylene sheet) The substrate must be visibly dry with no standing water. Applied Product Ready for Use Ambient conditions | Rain resistant | Touch dry | Full cure | +2 °C / 50 % r.h. | 12 hours | 20 hours | > 24 hours | +10 °C / 50 % r.h. | 9 hours | 15 hours | 24 hours | +20 °C / 50 % r.h. | 6 hours | 10 hours | 18 hours | +30 °C / 50 % r.h. | 4 hours | 6 hours | 14 hours |
Note: Times are approximate and will be affected by changing ambient conditions, particularly temperature and relative humidity. |
The above design is only a sample of the options available, for reference purposes only. Our policy of continuous improvement may result in a change of specifications without notice. If any discrepencies might be between the data sheet values and standards, we reserve the rights to make technical changes. Our company will not be held responsible, as all or any of pictures, drawings, weights and dimensions details or other elements in this document are only indicative and must not be considered contractual. Contact our sales team for other specifications or custom made products.
Contact our sales team for other specifications or custom made products.
