Recyclable materials
Chosen for end-of-life recovery.
Radiant heating
Heat radiated from floors or panels.
Roof structure (I-joists)
Light, strong joists in pitched roof systems.
Rainwater reuse
Collecting rain for toilets and gardens.
Renewable energy
Energy from solar, wind, or water sources.
Xenon lighting (legacy)
Replaced by LED in Oktogreen.
X-joint sealing
Cross-connections between elements.
X-factor design
Unique visual appeal in simple shapes.
X-axis layout
Grid-based orientation in site design.
XPS insulation
Extruded polystyrene for high-load zones.