The Low-Maintenance, Long-Life Solution for UK Businesses
A smarter way to manage fire safety compliance
Managing fire safety compliance shouldn’t mean booking an engineer visit every twelve months.
The P50 fire extinguisher changes that. A revolutionary composite fire extinguisher designed to last 20 years, require no third-party annual servicing, and keep your premises covered across multiple fire classes.
At Tower Fire, we supply, install, and commission the full P50 range for businesses, landlords, and facilities teams across the UK.
What is a P50 fire extinguisher?
The P50 fire extinguisher is built differently from a standard unit. Its inner bottle is constructed from High-Density Polyethylene and wrapped in Aramid fibre — the same material found in Kevlar bulletproof vests. The result is an extinguisher that is genuinely robust yet noticeably lighter than a traditional steel equivalent. It also exceeds standard pressure requirements, with a burst pressure test result of over 70 bar against the 55 bar minimum.
Because the body is not steel, it will not rust or corrode over time. That makes it equally reliable in an office, a coastal warehouse, or an outdoor setting. The head cap includes dual magnetic gauges so pressure can be checked quickly and without any tools during the annual visual inspection.
Key Benefits of Choosing the P50 Composite Extinguisher
The P50 fire extinguisher is not just another extinguisher. It represents a fundamentally different approach to fire safety management. Here is what makes it the preferred choice for property managers, duty holders, and multi-site operators:
lifespan Traditional extinguishers typically last 10–12 years. The P50 doubles that, reducing replacement frequency and lifecycle costs.
cover multiple fire classes (A, B, C, F and electrical), meaning fewer units are required across your site.
P50 compliance
Does it meet UK fire safety standards?
YES — the P50 fire extinguisher is fully compliant with UK and European standards. It carries key certifications including BSI Kitemark, UKCA, EN3, PED, and MED.
Under BS 5306-3, it can be maintained through a competent person inspection model, allowing trained staff to complete annual checks in-house. It is widely accepted by fire risk assessors, the HSE, insurers, and enforcing authorities, making it a fully compliant fire safety solution when properly installed and commissioned.
Who is the P50 best suited for?
The P50 suits any organisation looking to simplify fire extinguisher management — but it delivers the greatest value for:
Facilities managers and multi-site operators who want a consistent, predictable compliance routine across all properties.
Schools, academies, and universities where minimising contractor disruption is a priority.
Landlords and HMO operators who require straightforward, auditable maintenance records.
Warehouses, light industrial sites, and retail units requiring robust coverage across varied fire risks.
Remote or restricted-access sites where scheduling annual engineer visits is genuinely difficult.
P50 vs traditional steel fire extinguishers
When comparing the P50 fire extinguisher cost against traditional steel units, the difference becomes clear over time.
Over 10 years, organisations can save 50%+ thanks to no servicing fees, fewer replacements, and reduced admin.
Steel: Annual servicing and testing required
P50: Simple in-house visual check once a year
Easier record-keeping with quick, self-managed inspection logs—no external engineers needed.
The upfront cost of a P50 composite extinguisher is higher than a standard steel unit. However, when total cost of ownership is calculated over a 10-year period — accounting for annual servicing, five-year discharge and refill cycles, and replacement units — organisations routinely save over 50 per cent by switching to P50. Factor in the reduction in contractor scheduling, compliance paperwork, and potential downtime, and the financial case becomes clear.
Steel extinguishers remain appropriate for smaller sites or those with existing service contracts. For portfolio-scale operations, the P50 is the more cost-effective and operationally straightforward choice.
The P50 range available from Tower Fire
One of the biggest advantages of the service-free fire extinguisher model is the simplicity of maintenance.
POWDER
2kg, 6kg, 9kg
Covers Class A, B, C fires and electrical risk
FOAM
6L, 9L
Suitable for Class A, B fires and electrical equipment
WATER MIST
2L, 6L
Ideal for Class A fires and safe for use on electrical equipment
WET CHEMICAL
6L
Designed for commercial kitchens and cooking oil fires
AVD
6L
Specifically developed for modern battery risks
Our team will specify the correct type, rating, and quantity for your premises based on your fire risk assessment.
How to maintain a P50 extinguisher
One of the biggest advantages of the service-free fire extinguisher model is the simplicity of maintenance.
One of the biggest advantages of the service-free fire extinguisher model is the simplicity of maintenance.
Results must also be logged in your fire safety logbook. A free app (iOS and Android) is available to guide you through the process and store digital records.
back to you as soon as possible!