Technical Articles & Blog

Suspended ceiling solutions: plenum, loads and seismic behaviour

Plenum coordination, loads, seismic safety, acoustics and slab selection — using the Onassis Foundation’s clean-room project as an example.

Beyond the trusses: thermal bridges, water vapour and wind pressure on a pitched tiled roof

Why on top and not in between · Layering, layer by layer · The physics of water vapour · The cold side and the Greek summer heat load · The critical factor: fixing · Fire protection: when to use XPS, when to use stone wool · Design sequence · Conclusion · Sources & bibliography

From reaction-to-fire class A1 to fire resistance EI 120

Active fire protection provides the warning; passive fire protection provides the time. What do A1, s, d and EI 120 mean for each assembly space?

Anakainizo 2026 – Exoikonomo 2026

In 2026, two government schemes will be launched, offering homeowners the opportunity to renovate or improve the energy efficiency of their homes with high subsidy rates. The most crucial factor, however, is not the materials — it is ensuring eligibility is properly checked and applications are submitted in good time, as approvals are granted on a first-come, first-served basis and subject to a limited budget.

The garden you’ll never see again: the engineering behind the green roof

Waterproofing, drainage and root protection for green roofs and green slabs above occupied spaces.

The look of concrete, without the cost of concrete