BC-115/118/120 Multi-Cavity Thermal Break Aluminum Casement Window Systems with Concealed Drainage

| Share | |
|---|---|
| Categories | Aluminum Casement Windows |
| Brand | BLOSSOM CHEER Door And Window Project Manufacturer |
| Product Specifications | BC-115/118/120 |
| Model | BC-110 |
| Product Type | Thermal Break Aluminum Casement Window |
| Frame Depth | 110–115 mm |
| Project Service | ODM / Custom Project Support |
| Sample | Available |
| Production Time | 15-25 Days |
| FOB port | Guangzhou |
| Terms of Payment | L/C, D/A, D/P, Western Union |
BC-115 / 118 / 120
High-Performance Multi-Cavity Thermal Break
& Concealed Drain Casement Systems
Extreme-Climate Insulation
Typhoon-Ready Structural Performance
BC-115 / BC-118 / BC-120 Platform Engineering & Specification Matrix
Detailing core commonalities and specific mechanical variances across the BC-115 Integrated Screen, BC-118 Multi-Cavity, JBS 120 Slim, and SINCEM/KJ120 Heavy-Duty System platforms.
| Engineering Metric | BC-115 Integrated Screen (GD115) |
BC-118 Multi-Cavity Thermal (Y118) |
BC-120 Ultra-Slim (JBS 120) |
BC-120 Heavy-Duty (SINCEM / KJ120) |
Reference Standards |
|---|---|---|---|---|---|
| Frame Depth | 115 mm integrated main and auxiliary frame | 116–118 mm | 120 mm frame depth | 120 mm frame depth with 73 mm sash profile | GB/T 8478 / AAMA 101 |
| Profile Wall Thickness | 1.8 mm 6063A-T5 | 1.8–2.2 mm multi-cavity profile with dual flanges | 2.0 mm ultra-high-precision aluminum throughout | 2.0 mm 6063-T5 high-purity aluminum throughout | ASTM B221 / EN 755-2 |
| Mullion Sightline | 78 mm standard mullion | Standard high-load structural mullion | 16 mm interior ultra-slim visible mullion | 29.5 mm / 44.5 mm visible face | Minimal architectural sightline standard |
| Cavity & Thermal Break | Three-cavity structure / 20 mm PA66GF25 | Multi-cavity profile / insulation fill / vertical isotherm | Six-cavity high-rigidity structure | Multi-cavity profile / 34 mm PA66 butterfly thermal break | GB/T 23615.1 / EN 14024 |
| Corner Joint & Sealing | Pin-expanded, glue-injected corner cleats | Pin-expanded glue injection with end-face waterproofing | 12 mm glue-injected structural corner cleats and full-window injection | 45° end-face sealant with expanded glue-injected corner cleats | Factory-prefabricated anti-leakage standard |
| Drainage Design | Concealed floor-drain water management | Vertical concealed drainage with sloped water barrier | Independent embedded pressure-equalization channel | Reinforced mullion with concealed dual-cavity drainage | Designed for wind-driven rain and backflow prevention |
| Air Permeability | Class 7 (q1 ≤ 0.5 m³/(m·h)) | Class 8 (q1 ≤ 0.5; q2 ≤ 1.5) | Class 8 high-seal closed loop | Class 8 (q1 ≤ 0.5 m³/(m·h)) | GB/T 7106 / ASTM E283 |
| Water Tightness | Class 4 (350 Pa ≤ ΔP < 500 Pa) | Class 4 (350 Pa ≤ ΔP < 500 Pa) | Class 5 (500 Pa ≤ ΔP < 700 Pa) | Class 5 (ΔP ≥ 500 Pa) without leakage | GB/T 7106 / ASTM E331 |
| Wind Load Resistance | Class 9 (P3 ≥ 5.0 kPa) | Class 5 (3.0 ≤ P3 < 3.5 kPa) | Class 9 (P3 ≥ 5.0 kPa) typhoon resistance | Class 9 (P3 ≥ 5.0 kPa) high-rise loading | GB/T 7106 / ASTM E330 |
| Whole-Window Thermal Value | K ≤ 1.8–2.0 W/(m²·K) | K ≤ 1.6–2.0 W/(m²·K) | K ≤ 1.5–1.8 W/(m²·K) | K ≤ 1.4–2.5 W/(m²·K) | GB/T 8484 / NFRC 100 |
| Sound Insulation | 25–30 dB | 30 dB ≤ Rw + C < 35 dB | 30–35 dB | 30–35 dB+ with automotive-grade glass | GB/T 8485 / ASTM E90 |
| Glazing Scope | 5G + 20A + 5G, supporting glazing up to 32 mm | 6 Low-E + 18Ar + 6, supporting 30–39 mm glazing | 5G + 20A + 5G standard glazing pocket | 5G + 20A + 5G, supporting insulated or laminated glass | Factory-engineered project configuration |
Industrial-Grade Transmission Hardware & Heavy-Duty Mechanical Systems
Integrating JIEDO, CMECH, HOPPO, and SINCEM window-control hardware with Nano-Blue anti-corrosion gearboxes, tested for 50,000 to 100,000 smooth operating cycles.
180° Concealed Screen-Sash Upper Hinge
HOPO / CMECH Baseless Minimalist Handles
180° Concealed Screen-Sash Lower Hinge
4.0mm Thickened Anti-Drop Heavy-Duty Hinge
Recommended Styles
Explore casement window designs from our style library for architectural inspiration. Confirm BC-115, BC-118 and BC-120 window configurations, opening arrangements and dimensions with our team.
Thermal Break Aluminum Casement Window — C5
C5
Thermal Break Aluminum Casement Window — C6
C6
Thermal Break Aluminum Casement Window — C3
C3
Thermal Break Aluminum Casement Window — C4
C4
Thermal Break Aluminum Casement Window — C1
C1
Thermal Break Aluminum Casement Window — C2
C2
Available Colors & Finishes
Explore aluminum alloy profile colors and finishes from our finish library. Confirm coating suitability for the BC-115/118/120 platform and the final color with an approved project sample.
Grey 1
BCW11
Coffee
BCW10
Coffee color-1
BCW09
Sand Grey
BCW08
White
BCW07
Munich
BCW06
Metal Grey 1
BCW05
Fluorocarbon Purple Gold
BCW04
Fluorocarbon Champagne Gold
BCW03
Wood texture color 1
BCW02
Wood texture color 2
BCW01
Micro-Structure Driven Scenario Configuration & Engineering Matrix
Deriving from six-cavity mechanics, thermal barriers, concealed drainage, and integrated-screen safety, the BC-115/118/120 platform provides contractors and architects with precise specifications for coastal towers, passive houses, and tropical resorts.
BC-115/118/120 Scenario Configurations
Coastal, Passive-House & Tropical Project Configurations
Select the structural platform, insulated glazing, hardware, drainage path, and integrated-screen specification around the project's climate and wind-load requirements.
Verified Project & Laboratory Evidence
B2B Engineering Submittal & Technical Specification Download Hub
From blueprint detailing to project submittal, access verified BC-115/118/120 engineering specifications, AutoCAD node details, certified laboratory reports, BIM resources, and 24-hour preliminary load review support for developers, EPC contractors, importers, and lead architects.
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Versatile Project Excellence Since 2010
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Project Information
Physical Dimensions & Alignment
| Function Area | Height | Width | Wall Thk. | Qty | Acoustic Req. | Fire-Rated | Entry Control | Pre-wiring | Glass Solution |
|---|---|---|---|---|---|---|---|---|---|







