Fire Detection
Practical guides on fire alarms, extinguishers, emergency lighting and UK fire safety rules, written for installers, contractors and building managers.
Heat Detectors Explained: EN 54-5 Classes, Rate-of-Rise & Siting
Heat detectors alarm on a set temperature or a fast rise in temperature. This guide explains EN 54-5 classes such as A1R and CS, heat vs smoke detection, and BS 5839-1 spacing and ceiling heights.
Wireless Fire Alarm Systems: When Do They Make Sense?
How wireless fire alarm systems work, what EN 54-25 requires, fully wireless vs hybrid systems, where wireless makes sense, and how to plan battery maintenance.
Vape Detectors for Schools & Workplaces: How They Work
How vape detectors work, why vaping can set off optical smoke detectors, and practical steps schools and workplaces can take to manage false fire alarms.
BS 5839-1 Fire Alarm Categories Explained: L1–L5, M, P1 & P2
BS 5839-1 defines eight fire alarm categories: M, L1–L5, P1 and P2. Learn what each covers, what changed in the 2025 edition, and who should decide which category your building needs.
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