Metal surface primer for various Nitoseal and Thioflex joints sealants
Primer 4 is used to prime prepared metal joint surfaces prior to the installation of various joint sealants including.
- Thioflex 600 Gun Grade / Pouring Grade
- Nitoseal PU612
Primer 4 is also used to primer metal surfaces prior to the application of Nitoproof 750 polyurethane waterproofing membrane.