Sika Primer-429 is a single-component primer designed to promote adhesion of compatible Sikaflex sealants to suitable construction substrates. It is used as part of a properly specified surface preparation system for construction joint sealing and related sealing applications.
Available through TruSupply, Sika Primer-429 is intended for contractors, construction professionals, sealant installers and maintenance teams who require dependable substrate preparation before applying compatible sealants.
What is Sika Primer-429 used for?
It is a primer used to promote adhesion of compatible Sikaflex sealants to specified substrates.
Can Sika Primer-429 be used on concrete?
Use it only where Sika's current instructions approve the specific concrete surface and sealant combination.
Does every Sikaflex sealant require Primer-429?
No. Primer requirements vary by sealant, substrate and application. Consult the relevant Sika documentation.
What is the shelf life of Sika Primer-429?
Sika specifies six months in unopened containers under its stated storage conditions. Check the product label and current technical data sheet.