Sikalastic RoofPro 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.

Primers for Polyurethane Resins

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.