Get a QuotationNew concrete rarely sticks to old by itself. Structural adhesives and bonding agents make the joint a working part of the structure instead of a hidden cold joint.
Epoxy bonding agents join fresh concrete to existing structure with bond strength above the concrete itself, essential for extensions, jacketing and stitched repairs. Cementitious and SBR bonding slurries serve thinner repairs and screeds. Open time governs the work: fresh concrete must arrive while the adhesive can still receive it.
Listed live from our product classification.
New-to-old joints that transfer load
Bond strength exceeding the parent concrete
Options from epoxy to site-friendly slurries
Defined open times to plan the pour around
Structural connections and jacketing lean on epoxy. Patch repairs and screeds usually do well with SBR or cementitious slurries. The load path decides.
The joint is compromised. Remove or re-treat per the TDS rather than pouring onto a skinned adhesive, which creates the exact cold joint you paid to avoid.
Roughened, sound and clean, with aggregate exposed for structural work. Preparation effort scales with how much load the joint carries.
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