Repair Systems — Concrete Spalling
Concrete repair adhesives
Technical product reference for concrete repair adhesives — Westox RAP Thickened Adhesive for bonding precast elements, repair sections, and delaminated concrete in spalling repair applications.
Concrete repair adhesives
Concrete repair adhesives are thickened or paste-grade cementitious products used to bond precast elements, repair sections, and delaminated concrete in spalling repair applications. Unlike standard brush-grade adhesive primers, thickened repair adhesives have higher viscosity and can bridge small gaps between bonded surfaces. Selection is driven by adhesive type, structural vs non-structural use, gap-fill capability and service temperature.
Product Reference
Individual products — one card each — scroll to view all
Sika Australia
Sikadur-31 CF Normal
2-part thixotropic structural epoxy adhesive — bonding & repair
Sikadur-31 CF Normal is a two-part, solvent-free, thixotropic structural epoxy adhesive for bonding a wide range of construction materials — concrete, masonry, steel and hardened-to-fresh concrete — and for localised concrete repair. Its non-sag consistency suits vertical and overhead application by trowel or spatula. Confirm the current pot life, bond/compressive strengths, layer thickness and pack size against the current Sika Australia TDS before specifying.
Sika Australia
Sikadur-33
2-part thixotropic epoxy adhesive paste — structural bonding / reinstatement
Sikadur-33 is a two-part, thixotropic epoxy adhesive paste for structural bonding and localised concrete reinstatement, including bonding fresh concrete/mortar to hardened concrete and adhering structural elements. Its paste consistency suits trowel application to vertical and overhead surfaces. Confirm the current pot life, bond and compressive strengths, layer thickness and pack size against the current Sika Australia TDS before specifying.
Mapei Australia
Mapei Eporip
2-part solvent-free epoxy bonding adhesive — old-to-new concrete
Mapei Eporip is a two-component, solvent-free epoxy adhesive used to bond fresh concrete or mortar to hardened concrete at construction joints (old-to-new), and to seal-monolithically bond dormant cracks. It is brush or trowel applied to the prepared substrate; the fresh concrete/mortar is placed while it is still tacky. Confirm the current pot life, open time, bond strength and pack size against the current Mapei Australia TDS before specifying.
Ardex Australia
Ardex RA 88 Plus
2-component rapid-setting structural epoxy repair adhesive — cartridge
Ardex RA 88 Plus is a two-component, rapid-setting structural epoxy repair adhesive supplied in cartridge format, for bonding and localised structural concrete repair where fast strength gain and a controlled, gun-applied placement are required. Confirm the current pot life, set/strength-gain times, bond strength and cartridge size against the current Ardex Australia TDS before specifying.
System Comparison
Concrete spalling — confirm all selections against the current manufacturer TDS before specifying.
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Disclaimer
Confirm product selection against current TDS and project specification. Do not rely on this reference as a substitute for professional advice.