Door opening (slammed or locked), lock replacement, high-security euro cylinder, 3-point locks and door reinforcement. Fast response across Maisons-Laffitte & Yvelines (78). Free quote, transparent pricing.
Non-destructive methods prioritized. Express intervention in Maisons-Laffitte, Sartrouville, Montesson…
Euro cylinders with anti-drill/anti-snap, key card protection, safety advice.
3 points and more, neat fitting and accurate adjustments.
Anti-pry plates, strike reinforcements, deadbolts, post-burglary securing.
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⚠️ General advice — an on-site visit is still essential.
SERRURIER KEYLOCK – SAS – SIRET 98886994700016 – Address: Avenue Albine, 78600 Maisons-Laffitte.