Author: Karl Marx, rotec Berlin

Ventilation and solar shading for data centres (2026): Reliable airflow, night cooling and energy efficiency

Ventilation and solar shading for data centres must meet safety, energy-efficiency and specification requirements. rotec supports architects, specialist designers, facade contractors and main contractors with technical advice, burglar-resistant ventilation grilles, weather louvres, solar shading louvres, floor grilles and project-specific manufacturing in Berlin.

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Retrofitting Perimeter Protection in 2026: Outdoor Security with rotec APS

rotec APS provides retrofittable perimeter protection and professional open-area security for existing fences, walls, gates, access roads, solar parks, industrial sites, outdoor storage areas, and critical infrastructure. The system integrates fence monitoring, electric fencing, sensors, radar, video surveillance, alarm technology, and control center connectivity into a site-specific security solution. This allows existing property boundaries to be technically upgraded, security-related incidents to be detected earlier, and clear response protocols to be established. rotec supports operators from the initial site assessment through consulting, planning, and installation to maintenance, testing, repairs, and service contracts.

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Retrofitting Fence Monitoring in 2026: rotec APS Flexiguard for Existing Fences

Retrofitting fence monitoring systems is becoming increasingly important for operators of commercial properties, industrial sites, airports, and critical infrastructure. rotec APS Flexiguard transforms existing fences into an active security perimeter. The system detects mechanical attacks on the fence, effectively supplements existing barbed wire, and can forward alerts to camera surveillance, security personnel, or a control center. This transforms a passive fence system into an active solution for modern perimeter security.

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Planning Renson acoustic louvres correctly (2026)

Renson acoustic louvres provide a technical solution for facades, plant rooms, rooftop structures and enclosures, data centres, industrial buildings and car parks where airflow, screening, weather protection and sound insulation must be planned together. This technical article compares the Renson Linius acoustic louvres L.060AC, L.150ACS, L.150ACL, L.170ACS and L.170ACL. It explains sound insulation values, free area, K-factors, applications, installation guidance and common planning mistakes. It also describes how rotec supports technical coordination, advice, supply and installation. The article is intended for architects, design practices, building services engineers, facade contractors, metal fabricators, industrial businesses and building owners looking for a suitable louvre solution for technical building openings.

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Renson ventilation grille 411: Planning, specifying and configuring rotec W11 online (2026)

The Renson 411 ventilation grille corresponds to the rotec W11 ventilation grille. This article covers technical data, installation frames, free area, weather protection, installation, specification text, CAD downloads and the rotec online configurator. It also explains how rotec supports architects, designers, metal fabricators and industrial businesses with ventilation grilles, roof hoods and technical building openings.

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