Window grilles · Hinged bars · Balcony security

Security Window Bars in Koh Samui

Custom window grilles, hinged bars and balcony security for villas and homes on Koh Samui — site survey, powder coat and on-island install by CHK / Samui Fixit.

Security window bar solutions

Filter by type — bar pattern, colour and fixing method follow site survey and your QT (flat land vs mountain access priced separately).

  • Fixed window security bars

    Square or vertical bar patterns welded to frame — sized to your opening and view preference.

    • Site measure
    • Powder coat

  • Hinged & detachable grilles

    Swing-open sections for cleaning and emergency egress where building rules allow.

    • Lockable pin
    • Escape plan

  • Sliding window grilles

    Track-mounted grilles aligned with existing aluminium sliders.

    • With glass hub
    • Guide wheels

  • French door security grilles

    Double-door sets to pool decks and sea-view openings — strong posts and concealed fixings.

    • Child safe
    • View spacing

  • Balcony railing upgrade

    Replace low rails or add intermediate bars for villas with young children or rental compliance.

    • Code spacing
    • Stainless option

  • Ground-floor anti-intrusion set

    Heavier section bars and anti-cut fixings for street-facing windows.

    • Night latch note
    • Insurance photos

  • Powder coat & colour match

    Black, charcoal or RAL colours to match villa gates and coastal salt-air spec.

    • Sample chip
    • 2-coat system

  • Stainless coastal spec

    304/316 stainless or hot-dip galvanised steel for sea-view properties.

    • Salt spray prep
    • Less rust

  • Matching gate & window set

    One design for sliding gates, pedestrian doors and window grilles on the same villa.

    • With CHK steel
    • Single QT

  • Rust repair & weld patch

    Grind, weld and recoat failing sections instead of full replacement when sound.

    • Photo quote
    • Same-week

  • Bar removal & wall patch

    Remove old bars after renovation — patch holes and repaint for new frames.

    • With renovation
    • Paint touch-up

  • Child safety window guards

    Bar spacing and height to reduce fall risk on upper floors.

    • Gap ≤ 100 mm*
    • Upper floors

Indicative solutions only — escape routes, strata rules and insurance requirements must be confirmed on site. Warranty starts after full payment; excludes damage from forced entry after handover.

How we help

Site survey & scope

  • Measure each opening, frame material and fixing points on concrete or timber.
  • Note flat vs mountain access and ladder/scaffold needs in the QT.
  • Discuss hinged vs fixed bars, colour and escape access with the owner.
  • Photo existing rust, strata rules or insurance requirements before quote.

Fabricate & install

  • Cut and weld bars to measured sizes — square and plumb before final weld.
  • Powder coat or prime for coastal salt air before on-site fix.
  • Drill and anchor with expansion bolts or weld to steel frame as specified.
  • Daily LINE photos for owners and property managers abroad.

Finish & handover

  • Touch-up paint on fixings and ends where powder coat was cut.
  • Snag walk — check hinges, locks and bar spacing against agreed plan.
  • Care notes for rinsing salt and checking fixings after monsoon season.
  • Written warranty — starts after full payment per CHK policy.

Koh Samui delivery

  • One CHK team for window bars, gates, railings and steel follow-ups.
  • 50% deposit on jobs over ฿10,000; cash on site up to ฿2,000 for small patches.
  • Coordinate with glass, renovation and access control on the same property.
  • Formal QT with VAT 7% and itemised BOQ for villa owners and developers.

Secure your windows on Koh Samui

Send window photos, approximate sizes and preferred bar style — we reply on LINE with a survey slot and QT outline.

LINE · @samuifix Request site survey Steel & construction View all services