- Cyber Security
Cyber Essentials Plus for Small Businesses: Is It Worth It?
13 Jun, 2026

£206.63 inc. VAT
AI-generated summary
If you’re trying to get your airflow and cooling story under control in a shared or open-aisle setup, this kind of APC aisle containment rail/curtain mounting kit can be a sensible buy. At £172.39 ex-VAT it’s relatively low-risk: you’re buying an easy, physical way to cut down the “hot air mixing with cold air” problem, which often improves stability and reduces the day-to-day whining from thermal alarms. In practical terms, it suits warehouses and data rooms where you don’t want the faff (or cost) of a full build-out, but you still want better hot/cold separation.
That said, I wouldn’t buy it on autopilot. Containment only helps if your rack layout and aisle width actually line up properly, and if your containment curtains (and any seals at rack ends) will be installed and maintained—otherwise you pay for hardware and don’t get meaningful performance gains. Also, if your environment is already well-managed with good blanking and airflow discipline, this may be more “nice to have” than a game changer. For the right site—mixed-use aisles, inconsistent airflow, and a need to enforce separation—it’s good value; for a perfectly balanced rack setup, it’s probably unnecessary.

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