Lightning protection for rooftop plantrooms

Dehn
Lightning protection for rooftop structures — Dehn’s DEHNiso Combi.
A system to protect rooftop structures such as those used to house heating, ventilating and air-conditioning systems from the effect of lightning strikes is available from Dehn UK. DEHNiso Combi is an isolated air-termination system that not only protects rooftop electrical and metal installations against lightning strikes but also prevents partial lightning currents entering the building. If separation distances are determined by calculations specified in the new EN2305-E, uncontrolled sparkovers are prevented. The system consists of a range of components, including air-termination rods with conical or tent-shaped protective areas, multiple air-termination rods for protecting larger structures and self-supporting air-termination systems with tripod support. This modular system makes it possible to protect rooftop structures with complicated outlines.
Related links:



modbs tv logo

Rinnai UK launches applied products division

Rinnai is launching a new division - Rinnai Applied - which will be dedicated to the design, supply and service of larger HVAC units and systems that will meet the specific heating, ventilation, air conditioning and hot water demands of commercial and industrial premises.

Engineering services alliance welcomes government consultation on retentions and late payments

Actuate UK, the engineering services alliance, has welcomed the new government consultation on reforming cash retentions and taking legislative measures against late payments to small businesses, as part of the new Small Business Plan unveiled on 31st July 2025.