Glossary

Construction equipment terms explained.

A BCDEF G H IJKLMNOPQRS TUVWXYZ

Elastomer seal that is compressed against the fixed frame when the sash closes, thereby ensuring airtightness and watertightness.

The side of a window or door leaf on which the hinges are fixed and around which the leaf rotates when opened.

Stationary frame of a window or door permanently anchored in the masonry or facade, receiving the movable sash or leaf.

Lower closing profile of a door or patio door that seals and bridges the transition between interior and exterior areas.

Hardware system enabling a window sash to both rotate sideways and tilt inward at the top via a single handle.

Glazing unit consisting of three glass panes with two gas-filled cavities, providing superior thermal and acoustic insulation.

Movable frame element of a window or door that carries glazing or a panel and can be opened.

The movable frame part of a window or door that is mounted within the fixed outer frame and can be opened.

The recessed profile area in the sash or outer frame that receives, retains, and seals the glazing unit.

Narrow retaining profile fixed to the inner or outer face of the frame that mechanically secures the glazing in position.

Large-format sliding door in which the sash is lifted off the seal when opening and then moved laterally on rollers.

Multi-pane glass unit with hermetically sealed cavity between panes, providing thermal insulation, sound reduction, and condensation protection.

Curtain wall system of vertical mullions and horizontal transoms into which glass or infill panels are inserted.

Structural façade system comprising vertical mullions and horizontal transoms that receives glazing or infill panels across large areas.

Laminated glass with special interlayers or asymmetric build-up that significantly reduces sound transmission through the glazing.

Coated or tinted glass that selectively reduces solar energy transmittance to prevent overheating of interior spaces.

Functional glazing with a special coating that reduces solar heat gain while maintaining high visible light transmittance.

Technical measure applied to glazing in floor-to-ceiling windows or glass balustrades to prevent persons from falling through.

Lower horizontal element of a door opening ensuring weathertightness, accessibility, and the transition between interior and exterior.

The U-value describes the heat flow through a building component per unit area at a temperature difference of 1 Kelvin.