Sikalastic RoofCoat products can be applied to a wide variety of substrates with the use of primers. Use the chart below to find the primers that best suit your project requirements.
Primer Selection Chart for Silicone Resins
| Substrate | Primer |
|---|---|
| Modified bitumen ( bleed blocking of asphalt substrates) | Sikalastic-501 Primer |
| Metal manually cleaned (rust inhibitor) | Sikalastic-501 Primer |
| Acrylic elastomeric coatings | Sikalastic-501 Primer |
| Polyurethane elastomeric coatings | Sikalastic-501 Primer |
| Concrete | Sikalastic-502 Primer |
| Metal | Sikalastic-502 Primer |
| Wood | Sikalastic-502 Primer |
| Masonry | Sikalastic-502 Primer |
| Polyurethane elastomeric surfaces | Sikalastic-502 Primer |
| PVC | Sikalastic-503 Primer |
| FPO | Sikalastic-503 Primer |
| EPDM | Sikalastic-503/504 Primer, Consult Sika Rep |
| Hypalon | Sikalastic-503/504 Primer, Consult Sika Rep |
Always test adhesion before application.