High-Performance Facade Cladding & Triple-Glazed Joinery in Steel Modular
Rainscreen ventilated facades, architectural sintered stone, standing-seam zinc envelopes, sub-frame thermal decoupling, and factory-fitted triple-glazed Passivhaus window cassettes (Uw <= 0.80 W/m²K).
1. Rainscreen Ventilated Facades & Rear Cavity Thermodynamics
In harsh continental winters and scorching Mediterranean summers, traditional direct-applied plaster or single-skin exterior insulation systems (EIFS / ETICS) suffer from thermal stress cracks, moisture retention, and unsightly microbial algae growth on shaded walls.
SERMODULA incorporates Rainscreen Ventilated Facade (RVF) engineering across its modular envelope. A minimum 30 mm continuous vertical air cavity sits between the external architectural rainscreen and the breathable, vapor-permeable membrane. Solar radiation heats this rear air cavity in summer, creating a natural thermodynamic chimney effect (stack effect) that exhausts convection heat before it reaches the primary insulation. In winter, constant airflow keeps insulation bone-dry, maximizing thermal efficiency throughout the building's multi-decade life.
2. Architectural Finishes: Standing-Seam Zinc, Sintered Stone & Composite Wood
Modular architecture is too often stereotyped as monolithic or industrial. Modern offsite facade engineering allows limitless material freedom, providing tailored aesthetics for Alpine chalets, Nordic coastal residences, and contemporary Mediterranean urban villas alike.
SERMODULA supports four high-performance architectural envelope systems: (1) Titanium-zinc and pre-weathered aluminum standing-seam trays for sharp Nordic contours; (2) Large-format architectural sintered porcelain stone (1200 x 2600 mm, Class A1 non-combustible) for ultra-luxury stone elegance; (3) Fire-rated polymer composite timber (WPC) with zero maintenance staining; and (4) Architectural thermal plaster cassettes with integrated joint reveals. All systems utilize concealed mechanical fasteners tested to resist extreme hurricane wind suction pressures exceeding 2.4 kPa.
3. Factory-Integrated Triple-Glazed Passivhaus Window Cassettes
On traditional construction sites, windows are wedged into rough masonry openings, sealed with low-cost expanding foam, and exposed to dust, plaster spills, and scratched glass. Faulty window perimeter sealing accounts for up to 40% of building air infiltration failures during blower-door pressure tests.
SERMODULA windows are installed indoors under cleanroom-grade factory conditions. We utilize heavy-duty thermal-break aluminum or multi-chamber uPVC profiles glazed with 44 mm triple-pane low-E glass filled with 90% argon gas (Ug <= 0.50 W/m²K, total Uw <= 0.80 W/m²K). Windows are mounted inside factory-welded structural sub-frames with pre-compressed expanding airtight tape (RAL-compliant 3-level sealing), ensuring verified airtightness and acoustic silencing before modules leave the factory floor.
4. Concealed Motorized Solar Blinds & Structural Thermal Break Isolation
External solar shading is mandatory under European building codes to prevent summer overheating. However, surface-mounted shutter boxes create architectural eyesores, while poorly detailed bracket anchors act as thermal bridges, creating cold spots and condensation on interior walls.
SERMODULA incorporates flush, concealed lintel head cavities that house motorized external venetian blinds (Raffstore / BSO) or heavy-duty zip screens within the depth of the roof and floor edge profiles. Furthermore, all external facade bracket sub-structures are anchored via high-density structural polyamide and Aerogel thermal break shims (Isostop brackets), guaranteeing that cold exterior winter air never conducts into the internal structural steel skeleton.
Performance Specification: Glazing & Facade Systems in SERMODULA Buildings
Glazing Thermal Value (Ug)
Total Window Uw Value
Acoustic Glass Attenuation (Rw + Ctr)
Facade Wind Load Resistance
| System Component | Standard Specification | Passivhaus Premium Upgrade | Test Standard / Certification |
|---|---|---|---|
| Glazing Thermal Value (Ug) | 0.60 W/m²K (Triple pane 36 mm Argon) | 0.50 W/m²K (Triple pane 44 mm Krypton/Argon) | EN 673 / CE certified glass |
| Total Window Uw Value | 0.85 – 0.90 W/m²K (Thermally broken aluminum) | <= 0.75 W/m²K (Certified Passivhaus phA profile) | EN ISO 10077-1 thermal modeling |
| Acoustic Glass Attenuation (Rw + Ctr) | 36 – 38 dB | 42 – 46 dB (Acoustic PVB laminate layers) | EN ISO 717-1 acoustic laboratory test |
| Facade Wind Load Resistance | Class 4 (>= 2400 Pa structural design) | Class 5 (>= 3000 Pa severe coastal rating) | EN 12210 / EN 12211 wind tunnel tests |
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