WN-94 Series Insulated Inswing Casement Window
44mm PA66 GF25 thermal break reduces heat flow through the frame.
27A insulated glass unit, argon-filled, with warm-edge spacer.
2.0mm aluminum profile supports structural load and wind pressure.
Flow-guided corner injection and full cavity sealing limit water leaks at joints.
Triple gaskets on operable sash improve air and water sealing.
Optional stainless mesh screen; high-transparency mesh available.
Frame grades: commercial, project, or residential mid-range and premium.
Design supports energy saving and lower heating and cooling load.
Documentation supports global qualification and project compliance.
Description
Videos
Customizable Styles
Hardware Accessories
Advantages
Certificate
Project References for WN-94(N4) Inswing Casement Window
Show real installations and use cases for inward swing casement windows, including stormproof and insulated casement windows scenarios. Help buyers verify fit, performance targets, and delivery capability.
California Luxury Villa Window and Door Project
Based on the excellent performance of DERCHI Windows and Doors in high-end villa projects, here are the key advantages of the products, specifically tailored for a luxury villa in California, with a focus on seismic safety, wildfire protection, and energy efficiency—critical factors for the Californ
/ Read More
Hurricane-Rated Windows and Doors for a Luxury Villa in Panama City Beach, Florida
Based on the outstanding performance of DERCHI Windows and Doors in high-end villa projects, here are the key advantages of the products, specifically tailored for a luxury villa in Florida, with a strong emphasis on hurricane certification and performance:Certified Hurricane Impact Resistance: DERC
/ Read More
Luxury Apartment Building in New York: Energy-Efficient Window & Door Solution
Based on the excellent performance of DERCHI Windows and Doors in high-end residential projects, here are the key advantages of the products, specifically tailored for a luxury apartment building in New York, with a strong emphasis on energy efficiency and environmental performance:DERCHI Windows an
/ Read More
Luxury Villa Window and Door Project in Pattaya-Bang Lamung, Thailand
Based on the excellent performance of DERCHI Windows and Doors in high-end residential projects, here are the key advantages of the products, specifically tailored for a luxury villa community in the Pattaya-Bang Lamung district of Thailand, with a strong emphasis on why the Thai market is highly co
/ Read More
Baltimore Luxury Villa Window and Door Project
Based on the excellent performance of DERCHI Windows and Doors in high-end villa projects, here are the key advantages of the products, which are perfectly applicable to a luxury villa project in Baltimore:Customized Premium Aesthetics: DERCHI provides a wide range of customization options, includin
/ Read More
High-Rise Residence Windows and Doors in Asia
In a high-rise residential community in Asia, roughly nine out of ten households independently chose DERCHI windows and doors. The project covered the full range of openings in a large-format apartment — sliding doors, casement windows, sliding windows with insect screens and corner glazing — built around patented four-side six-point locking, profile wall thickness above the applicable standard, Wehag hardware and five performance dimensions holding together as one envelope.
/ Read More
Modern Light-Luxury Apartment Windows And Doors in Asia
An urban apartment in Asia sits on a lower floor yet gives nothing away on daylight, view or sense of space — thanks to a complete window and door system: corner windows in the living room, floor-to-ceiling openings in the bedrooms, a slim-framed picture window over the kitchen counter, and a balcony glazed into the interior. Ultra-clear tempered glass on tier-one original sheet, chamfered bead profiles for a slim visual frame, profile wall thickness above the applicable standard, and Wehag hardware with antibacterial-coated handles.
/ Read More
Ireland Luxury Villa Window and Door Project
DERCHI supplied a complete envelope of large-format aluminum glazing for a newly built villa in the Irish countryside, engineered for Atlantic wind-driven rain, Irish Part L thermal requirements, and panoramic views.
/ Read MoreWN-94(N4) Inswing Casement Window FAQs
1) What performance targets does this inswing casement window support?
Reference data for 94-series inward opening systems lists Water tightness: 700 Pa, Air tightness: 1.2, Wind pressure: 5 kPa, and Sound insulation: 35 dB.
2) What design points support stormproof casement windows requirements?
Documents describe a three-way sealing design with isobaric drainage, plus a six-point lock design for tighter closure control.
3) What glass configuration is used, and can it be upgraded?
The spec lists 5mm + 27A + 5mm insulated glass. It also notes an optional inert gas fill to reduce fogging and condensation risk in the IGU cavity.
4) What are the recommended size limits for the operable sash and fixed glass?
Reference limits show operable sash up to 508–1000 mm (W) and 600–2000 mm (H), with single fixed glass up to 12 m².
5) What options are available for blinds, screens, and hardware?
Options listed include 26A magnetic blinds, 27A electric/solar blinds, insulation cotton, 180° tilt-and-turn hardware, fingerprint/keypad/key handles, and high-transparency mesh. The accessories list also shows a PH307 no-base handle for the inswing glass sash.
