Fosroc Primer 7
Fosroc Primer 7
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Primer 7 — Epoxy Primer for Renderoc Repair Mortars
Fosroc Primer 7 is an epoxy resin primer designed for use with the Renderoc repair mortar system (e.g. Renderoc GP, LA55, S). Applied to concrete substrates, it creates a high-strength bond layer that ensures durable adhesion between the original concrete and the repair mortar. A critical step in structural concrete repair for long-lasting results.
Key uses: substrate preparation before Renderoc mortar application, bond enhancement on rough or porous concrete, bridge repairs, building facade repairs, structural concrete repair projects.
Primer 7 vs Nitoprime 88: Primer 7 is an epoxy primer focused on bond strength for repair mortars. Nitoprime 88 is a polymer-modified cementitious coating that provides rebar corrosion protection plus bonding. Use Nitoprime 88 or Zincrich when rebar anti-rust treatment is needed; Primer 7 when bond strength alone is the priority.
