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Fire Suppression

Meeting BS EN 12845:2026. Rapid, Reliable Suppression.

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Fire Suppression

Fire suppression systems are your ultimate defence for high-risk or high-value areas, automatically detecting and actively extinguishing fires—often before they cause significant damage. Unlike detection-only alarms, suppression systems deploy clean agents (e.g. Novec 1230, FM-200, Inergen), CO₂, water mist, or foam to smother flames at the source, minimising downtime, protecting sensitive equipment, and preventing catastrophic loss in server rooms, data centres, archives, plant rooms, and more. When paired with regular fire risk assessments, maintained extinguishers, trained staff, clear evacuation plans, and optional 24/7 monitoring, a professionally designed and serviced fire suppression system dramatically reduces the chance of a small fire escalating into a business-crippling disaster.

Why Choose FST Systems for Your Fire Supression Needs?

Based in Chester and Wrexham, FST Systems is your local expert in fire compliance and security across the North West of England and North Wales. We specialise in designing, installing, servicing, and maintaining advanced fire suppression systems that meet—and exceed—UK regulations.
We work with leading manufacturers and support a wide range of systems—including clean agent (Novec 1230, FM-200), inert gas (Inergen), CO₂, and water mist—to keep your setup fully compliant with the Regulatory Reform (Fire Safety) Order 2005. Regular testing, certification, discharge simulations (where appropriate), and prompt repairs ensure your suppression system remains reliable year after year.
Ready to safeguard your premises and your future? Contact us today for a no-obligation consultation or quote. Call 0333 444 0032, email us, or fill out our quick form— we're here to help keep your business safe and compliant.

Advanced Suppression. Total Safety. Reliable Fire Protection You Can Trust.

Protect your critical assets and ensure business continuity with advanced fire suppression systems designed, installed, and maintained by FST Systems. From tailored clean-agent installations (Novec 1230, FM-200, Inergen) and CO₂ systems to water mist and foam solutions, we provide rapid, automatic fire extinguishment with minimal damage to equipment or contents. BAFE-compliant servicing, real-time monitoring options via Nimbus Digital, seamless UK regulatory compliance, and 24/7 peace of mind—serving Chester, Wrexham, and the North West & North Wales.

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Common Questions

Your Fire Alarm Questions, Our Expert Solutions.

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Installation follows your fire risk assessment, Approved Document B, and relevant standards (e.g., BS EN 12845 for sprinklers):

  • Throughout high-hazard areas (e.g., storage with combustibles/flammables, plant rooms, server rooms, commercial kitchens).
  • In large open spaces or where escape routes exceed standard distances (to allow trade-offs like reduced compartmentation).
  • Covering all relevant floors/areas per design density/occupancy hazard classification (e.g., ordinary hazard for offices, high hazard for manufacturing).

Systems must activate reliably (e.g., sprinklers only on heat, not smoke), with heads unobstructed and coverage uniform. Professional design/commissioning ensures no gaps; reassess after changes (e.g., new racking, processes, or occupancy). Signage and zoning aid fire service response.

Fire suppression systems (e.g., sprinklers, gaseous, water mist, foam, or kitchen-specific) control or extinguish fires automatically or manually, complementing detection and manual extinguishers. Under the Regulatory Reform (Fire Safety) Order 2005, provision follows your site-specific fire risk assessment—no blanket mandate exists for all commercial buildings, but Approved Document B (with 2026 amendments) requires or encourages them in high-risk scenarios (e.g., large warehouses, industrial processes, data centres, or where escape/travel distances are extended). Common types:

  • Automatic sprinklers (BS EN 12845) for broad coverage in offices, retail, factories.
  • Gaseous (e.g., clean agents like FM-200 or inert gas) for server rooms/IT to avoid water damage.
  • Water mist or foam for high-hazard areas.
  • Kitchen/wet chemical for catering. Selection must be proportionate to hazards (ignition sources, fuels, occupancy); use a competent designer for compliance with standards like BS EN 12845 or LPC Rules. Trade-offs (e.g., relaxed compartmentation) may apply with full systems per BS 9999.

Not universally—no, the Regulatory Reform (Fire Safety) Order 2005 does not mandate suppression in every non-domestic premise. The Responsible Person must implement "general fire precautions" (Article 4/17) based on fire risk assessment, which may identify suppression as necessary for suitable protection (e.g., in high fire-load warehouses, flammable liquid storage, or where passive measures alone are insufficient). Approved Document B (Volume 2 for non-dwellings) recommends or requires sprinklers in specific cases (e.g., large industrial units or where extended travel distances apply). Non-compliance risks enforcement notices/fines if suppression is deemed essential but absent. High-risk premises (e.g., data centres, chemical storage) often need it for insurance, best practice, or Building Regulations compliance—always base decisions on a current, competent risk assessment.

Per BS EN 12845 (sprinklers), BS 5306 series (other systems), and RRFSO (maintenance duty):

  • Weekly/monthly — Visual checks (e.g., gauges in green, no leaks, valves secure, pumps tested if applicable) by the Responsible Person or nominated staff.
  • Quarterly/6-monthly — Functional tests (e.g., flow tests, alarm activation, pump runs) per system type/standard.
  • Annually — Full inspection/service by a competent technician (e.g., LPCB/FM-approved contractor), including hazard review to confirm risks unchanged.
  • Extended — 3–5 yearly deeper checks (e.g., internal pipe inspections, hydrostatic tests on tanks).

Records must be kept on-site; faults rectified immediately. The Responsible Person is legally accountable—professional servicing (e.g., via BAFE/LPCB schemes) demonstrates due diligence and supports insurance/audit compliance.

Repair or replace immediately if:

  • System fails testing/inspection (e.g., low pressure, blocked heads, faulty valves/pumps, corrosion/leaks).
  • Components are damaged, obsolete, or degraded (e.g., ageing pipes, non-compliant agents phasing out).
  • It no longer matches current risk assessment (e.g., after layout changes, increased fire load, new high-risk equipment).
  • Following incidents, near-misses, or enforcement advice.

Upgrades align with evolving standards (e.g., 2026 BS EN 12845 updates for warehouses/high-rise, or shift to modern agents/tech). Batteries/pumps often need replacement every 5–10 years; full system review every 10–15 years or post-alterations. Use competent installers/technicians; document all work to prove compliance under the Regulatory Reform (Fire Safety) Order 2005 and avoid enforcement.

These answers are practical, compliant, and client-focused for commercial settings. If you'd like additions like a suppression types comparison table, references to specific hazard classifications, or visuals (e.g., sprinkler head diagram), let us know!