Overview The lower element of the FOP P50 APMX terrace window set is designed for installation in a knee wall and to integrate with FOP‑V or FOP‑X roof windows to form a continuous glazed terrace access. It maximises daylight, provides ventilation and allows access to a terrace or balcony via a right‑hand opening.
Key features - Lower element for terrace window — right‑hand opening
- P50 glazing unit: 44 mm triple glazing with argon filling and laminated inner pane
- Uw = 1.1 W/m²K with EHV‑AT Thermo flashing (selected commercial size)
- thermoPRO thermal insulation system
- Easy‑to‑clean coating on outer glass
- Acoustic performance enhanced by argon and acoustic film
- Interior: vacuum‑impregnated pinewood with clear acrylic varnish
- External aluminium cladding in anthracite RAL 7016
- topSafe safety system and reinforced construction
Technical & thermal performance The P50 glazing is a 44 mm triple‑glazed unit with a toughened outer pane, argon gas filling, a laminated P2A inner pane and an acoustic film. With the EHV‑AT Thermo flashing installed the complete unit achieves Uw = 1.1 W/m²K for the specified commercial size. Flexible seals improve airtightness and reduce thermal bridges.
Materials and finish - Frame: vacuum‑impregnated pinewood
- Interior finish: clear acrylic varnish (natural wood appearance), two lacquer coats
- External cladding: aluminium (standard Anthracite RAL 7016; options RAL 9005 and RAL 7022)
Glass & safety - Outer pane: toughened safety glass (lifetime hail‑resistance warranty subject to terms)
- Inner pane: laminated glass P2A for safety
- Acoustic film included
- Easy‑to‑clean hydrophilic/photocatalytic coating reduces dirt adhesion
Operation and control Manual control system. The lower element opens to provide safe access to a terrace or balcony while maintaining declared thermal and acoustic characteristics.
Compatibility and installation Designed to combine with FOP‑V and FOP‑X roof windows as part of a terrace window system. For declared Uw performance use EHV‑AT Thermo flashing and original installation accessories; correct installation is required for performance and warranty.
Additional notes Specified for improved daylighting, ventilation and acoustic comfort when integrated into terrace window systems; shows natural wood interior and durable aluminium exterior cladding.
Technical specifications - Commercial size (W × H): 78×118 cm
- Model: FOP P50 APMX (lower element of terrace window)
- Glazing: P50 triple glazing, 44 mm
- Thermal transmittance (Uw): 1.1 W/m²K (with EHV‑AT Thermo flashing)
- Seals: 4
- Thermo system: thermoPRO
- Airtightness (air permeability): Class 3
- Safety system: topSafe
- Wind load resistance: Class C3
- Watertightness: 9A
- Window material: vacuum‑impregnated pinewood
- Interior finish: clear acrylic varnish
- External cladding colour: Anthracite RAL 7016 (options: RAL 9005, RAL 7022)
- Cladding material: aluminium
- Number of lacquer coats: 2
- Control system: Manual
- Solar power supply: No
- Air inlet: Not applicable
- Product weight: 55 kg
- Package dimensions (W × L × H): 0.8 m × 1.25 m × 0.165 m
- Packaging method: tied with transportation belts
- Number of products per pallet: 7
- Included glass features: toughened outer pane, P2A laminated inner pane, argon filling, acoustic film, easy‑to‑clean coating