This 42 x 42 casement window is a DERCHI custom thermal break aluminum window built on the R8Y Ruixuan system — not a stock standard product. At 42 x 42 in (1067 x 1067mm, approximately 1.14 sqm), it suits bedrooms, bathrooms, stairwells, studies, and small facades where verified weather and safety performance matter.
- Custom-made to project drawings — sizes, colors, glass, and structures configured per order
- R8Y series with 118mm frame, 35mm wide insulation strip, and argon-filled 5+27A+5 glass
- Three series available (R8Y, E0, S6) to match different budget and specification tiers
Product Details
This custom 42 x 42 casement window is primarily configured on the R8Y Ruixuan system, which pairs a 118mm thermal break aluminum frame (1.8mm wall thickness, 35/34/16mm insulation strips) with argon-filled 5+27A+5 fluorocarbon hollow aluminum bar glass. Opening types include outward casement, top-hung, and outward top-hung — the glass sash opens outward while the screen sash opens inward. For the 42 x 42 in format, the recommended structure is a double-sash layout with each sash approximately 21.0in (533mm) wide, or a 3-lite configuration with each lite approximately 14.0in (356mm).
Buyers needing different frame widths or cost tiers can consider the E0 Glory series (100mm frame, 35/30/12mm insulation strips, soundproof double glazing positioning, optional 48/88 wrapping and top curved arc) or the S6 Xinghai series (82mm frame, 35/14.8/30mm strips, concealed folding screen sash). All three series share identical performance grades — 700Pa water tightness Grade 6, 5kPa wind pressure Grade 9, 35dB sound insulation Grade 4 — and are manufactured to order, not stocked.
Product Features
- 35mm Super Wide Insulation Strip: The R8Y thermal break system uses a 35mm insulation strip with argon-filled 5+27A+5 glass, delivering 2.0W Grade 6 thermal insulation for energy-conscious residential and commercial projects.
- Triple Seal with Concealed Drainage: Equal-pressure drainage and concealed drainage channels work with EPDM water-swellable weatherstrip to manage heavy rain, achieving 700Pa water tightness Grade 6 for coastal and storm-exposed locations.
- Patented Four-Side Six-Point Lock: The custom black zinc alloy four-side six-point lock — an invention patent — secures the sash on multiple sides, adding intrusion resistance for safety-critical residential and protector window applications.
- WEHAG Antibacterial Handle: The silver ion-coated WEHAG handle inhibits bacterial growth up to 99%, suiting hygiene-sensitive environments such as bathrooms, kitchens, and healthcare-adjacent spaces where surface cleanliness matters.
- 5kPa Wind Pressure Resistance: Grade 9 wind pressure resistance at 5kPa supports high-rise outward casement installations where wind loads demand structural integrity beyond standard residential window performance.
- Anti-Fall Rope and Safety Mesh: A 150KG-bearing anti-fall rope, built-in diamond mesh pressure line, anti-collision corner protector, and anti-theft flyscreen combine to protect occupants and deter intrusion on outward-opening sashes.
Customizable Styles
- Glass Configuration: Standard 5+27A+5 argon-filled tempered glass; custom options include Low-E, laminated, frosted, tinted, ultra-clear, louvered, and PVDF/fluorocarbon hollow aluminum bar — confirm U-value impact per option.
- Frame and Series Selection: R8Y (118mm frame), E0 Glory (100mm), or S6 Xinghai (82mm) — each with different insulation strip widths and hardware configurations to match project budget and specification tiers.
- Size and Sash Layout: Opening sash width 350–750mm, height 450–1500mm; max single fixed glass 12 sqm. The 42 x 42 format supports double-sash (each ~533mm) or 3-lite (each ~356mm) layouts.
- Color and Finish: Twelve R8Y colors including Sand Gray, Black Walnut, Starry Black, and Fluorocarbon Flash Silver; E5N card adds eight more. Finishes: powder coating, fluorocarbon, wood grain, metallic flash silver.
- Opening and Structure: Outward casement, top-hung, or outward top-hung; structures range from single sash to multi-lite window walls, pitched/trapezoidal, and hexagonal/bay combinations — confirm grilles or divided-lite availability separately.
Hardware Accessories
- WEHAG Baseless Handle: German-engineered handle with baseless mounting and optional antibacterial silver ion coating inhibiting bacterial growth up to 99% — confirm available finish options beyond standard configuration.
- 12-Inch Friction Hinge: Controls outward sash movement with controlled friction, holding the open sash at set angles — suited for high-rise outward casement where wind gusts could swing an unrestrained sash.
- Four-Side Six-Point Lock: Custom black zinc alloy multi-point lock — an invention patent — engages the sash frame on four sides at six locking points, increasing security and compression seal pressure.
- Anti-Fall Rope (150KG): Safety rope rated for 150KG bearing capacity prevents the outward-opening sash from detaching if hinge failure occurs — relevant for high-rise and safety-protection window applications.
- Diamond Mesh and Flyscreen: Built-in diamond mesh pressure line and anti-theft flyscreen provide insect and intrusion deterrence; S6 series offers a concealed folding screen sash — confirm mesh grade specifications separately.
Basic Parameters
| Performance Item | Available Information | Buyer Notes |
|---|---|---|
| Thermal Insulation | 2.0W Grade 6 (R8Y standard configuration) | Confirm exact U-value for Low-E, argon, laminated, and tinted glass configurations. |
| Wind Pressure Resistance | 5kPa Grade 9 | Confirm applicable testing standards and whether grade applies to all sizes and series. |
| Water Tightness | 700Pa Grade 6 | Confirm test conditions and whether performance holds for non-standard glass or frame configurations. |
| Air Tightness | 1.2 Grade 8 | Confirm applicable standards and test methods for the specific project market. |
| Sound Insulation | 35dB Grade 4 | Confirm whether 35dB applies to all glass configurations or only standard 5+27A+5. |
Product Specifications
| Specification | Value / Information |
|---|---|
| Product Name | 42 x 42 Casement Window |
| Product Type | Custom thermal break aluminum casement window |
| Primary Series | R8Y Ruixuan system (E0 Glory and S6 Xinghai as alternatives) |
| Frame Width | R8Y: 118mm; E0: 100mm; S6: 82mm |
| Wall Thickness | 1.8mm (all series) |
| Insulation Strip | R8Y: 35/34/16mm; E0: 35/30/12mm; S6: 35/14.8/30mm |
| Standard Glass | 5+27A+5 fluorocarbon hollow aluminum bar, argon-filled |
| Custom Glass | Low-E, laminated, frosted, tinted, ultra-clear, louvered |
| Opening Types | Outward casement, top-hung, outward top-hung |
| Dimensions | 42 x 42 in (1067 x 1067mm), approx. 1.14 sqm |
| Sash Layout | Double-sash: each ~533mm; 3-lite: each ~356mm |
| Opening Sash Range | Width 350–750mm, height 450–1500mm |
| Max Single Fixed Glass | 12 sqm |
| Hardware | WEHAG handle, 12-inch friction hinge, four-side six-point lock |
| Safety Features | Anti-fall rope 150KG, anti-collision corner, diamond mesh, anti-theft flyscreen |
| Colors | 12 R8Y colors + 8 E5N card colors |
| Finishes | Powder coating, fluorocarbon, wood grain, metallic flash silver |
| Packaging | Four-layer: anti-scratch film, pearl cotton, waterproof film, wooden rack |
| Delivery | Approx. 25–35 days (platform reference — confirm with supplier) |
| Customization | Custom sizes, colors, glass, structures per project drawings |
| Notes | Precise pricing, lead time, and delivery terms require configuration-specific confirmation |
Advantages
- Weatherproofing for Demanding Environments: Triple seal, equal-pressure drainage, concealed drainage, and EPDM water-swellable weatherstrip deliver 700Pa water tightness Grade 6 for coastal and heavy-rain project locations.
- Thermal Break Performance: The 35mm super wide insulation strip and argon-filled 5+27A+5 glass achieve 2.0W Grade 6 thermal insulation — confirm exact U-value for custom glass configurations before ordering.
- Safety and Security Engineering: Patented four-side six-point lock, 150KG anti-fall rope, anti-collision corner protector, and anti-theft flyscreen address high-rise and safety-protection window requirements.
- WEHAG Hardware Partnership: German WEHAG hardware rated for 100,000+ open cycles, with antibacterial handle inhibiting bacterial growth up to 99% — confirm finish options before ordering.
- Multi-Series Project Flexibility: As a 42 x 42 casement window manufacturer, DERCHI offers R8Y, E0, and S6 series covering premium, value, and lightweight tiers — all custom-made to project specifications.
Application Scenarios
- Apartment: The 42 x 42 in format fits apartment bedrooms and bathrooms where compact openings need outward casement ventilation. R8Y's antibacterial handle and anti-theft flyscreen add hygiene and security for multi-unit residential use.
- Home Office: Sound insulation at 35dB Grade 4 helps reduce street and neighborhood noise in home office spaces. The argon-filled double glazing supports thermal comfort during long working hours — confirm acoustic performance for custom glass.
- Hotel: Hotels benefit from the WEHAG hardware's 100,000+ open cycle life and the four-side six-point lock's security. Multiple color and finish options allow matching interior design themes across guest room types.
- Office Building: For commercial 42 x 42 casement window applications, the 5kPa Grade 9 wind pressure resistance supports mid-rise office facades. Custom structures like fixed+opening or multi-lite combinations adapt to varied opening sizes.
- Outdoor: Coastal and exposed outdoor installations should confirm water tightness, wind pressure, and surface finish durability against salt spray and weathering. The triple seal and EPDM weatherstrip are engineered for heavy-rain scenarios — verify performance for specific conditions.
- Residential Building: Batch residential projects can select E0 Glory series for budget-sensitive thermal break double glazing or S6 Xinghai for concealed folding screen convenience. All series share the same verified performance grades for specification consistency.
- Exterior: Exterior facade use requires confirming wind load calculations, installation conditions, and jamb details. The R8Y's outward-opening design with anti-fall rope suits exterior applications where interior swing space is limited — verify mounting requirements.
- Villa: Villa facades benefit from the square window's flush frame-sash proportions and twelve-plus color options. Pitched, trapezoidal, and hexagonal structure combinations allow architectural variety — confirm specific shape availability with project drawings.
Inquiry Guidance
To request a quote, please share your project location, required size, quantity, preferred frame color, glass type, hardware requirements, and drawings or reference photos if available.
FAQ
What is this product?
It is a DERCHI custom thermal break aluminum casement window in a 42 x 42 in (1067 x 1067mm) format, built on the R8Y Ruixuan system. It is made to order — not a stock standard window — with configurable glass, colors, and structures.
Where can it be used?
The 42 x 42 size suits bedrooms, bathrooms, stairwells, studies, and small facades. R8Y is engineered for coastal, heavy-rain, and high-rise scenarios. E0 and S6 series serve budget-sensitive and concealed-screen residential projects respectively.
Can it be customized?
Yes. Glass options include Low-E, laminated, frosted, tinted, ultra-clear, and louvered. Structures range from single sash to multi-lite window walls. Colors span twelve R8Y shades plus eight E5N card options. Confirm grilles, grids, or blinds availability separately.
What information is needed for a quote?
Provide quantity, destination port or door-to-door address, drawings or opening dimensions, glass type, color/finish, structure type, screen preference, and packaging requirements. For 42 x 42 casement window wholesale inquiries, also state the preferred series (R8Y, E0, or S6).
What are the pricing and MOQ references?
Platform reference ranges (approximately 79–129 USD/sqm tiered) are approximate market references for inquiry configuration, not fixed transaction prices. Common MOQ is 2 sqm on the DERCHI platform — confirm both for your specific configuration and order volume.
Are certifications and technical documents available?
Specific certification listings (e.g., CE, AAMA, AS2047) are not yet confirmed in product data. Request applicable compliance documents, test reports, installation instructions, and warranty terms from your 42 x 42 casement window supplier before ordering.
What should buyers confirm before ordering?
Confirm exact U-value/SHGC for custom glass, lead time for specific quantities (platform reference ~25–35 days), delivery terms and shipping costs, hardware finish options, and whether 35dB sound insulation applies to all glass configurations or only standard 5+27A+5.
