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$1,501.19
Sikalastic 641 Lo-VOC is a cold applied, highly elastic, aliphatic, single component, low-odor, low-VOC moisture-triggered polyurethane resin designed for easy application as part of Sikalastic RoofPro roofing systems. Single component - no mixing and ready to use ...
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Tech Data Sheet
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Subtotal $1,699.28
About This Product
Details
Sikalastic 641 Lo-VOC is a cold applied, highly elastic, aliphatic, single component, low-odor, low-VOC moisture-triggered polyurethane resin designed for easy application as part of Sikalastic RoofPro roofing systems.
- Single component - no mixing and ready to use
- Fully reinforced with highly conformable Sika Reemat or Sika Fleece
- Moisture triggered chemistry that is rapidly weatherproof after application
- Low VOC formula - low Odor
- Highly elastic and crack bridging
- Seamless and fully adhered
- Vapor permeable
- UV resistant and non-yellowing
- Abrasion and chemical resistant
- Adheres to most common construction materials when suitable primer is used
Applications
- Embedment and top resin for Sikalastic RoofPro systems reinforced with Sika Reemat
- Saturating resin for Sikalastic RoofPro systems reinforced with Sika Fleece
- Typically applied in Sikalastic RoofPro Direct, Plaza, and Vegetated systems for both new construction and refurbishment
Waiting/Recoat Times
| Ambient conditions | Minimum waiting time overcoating |
| +40 °F / 50 % r.h. | 18 hours |
| +50 °F / 50 % r.h. | 8 hours |
| +70 °F / 50 % r.h. | 6 hours |
| *After 7 days the surface must be cleaned and primed with Sika Reactivation Primer before continuing. | |
Applied Product Ready for Use
| Ambient conditions | Rain resistant | Touch dry | Full cure |
| +40 °F / 50 % r.h. | 1 hour | 12 hours | 24 hours |
| +50 °F / 50 % r.h. | 1 hour | 6 hours | 18–24 hours |
| +70 °F / 50 % r.h. | 1 hour | 4 hours | 12–18 hours |
| Note: Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity. | |||
Documents
Sikalastic 641 Lo VOC Documents
Specifications
Sikalastic 641 Lo VOC per 5 Gallon Pail Specifications
Q & A
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Warning: This product contains a chemical known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov