DERCHI Crank Out Thermal Break Double Glass Casement Window Sash
Heavy-duty thermal break aluminum frame featuring crank-out casement sash mechanics and custom architectural decoration grills. Engineered for maximum ventilation and wind resistance.
Featured window sash configurations engineered for California Title 24 compliance, extreme thermal control, acoustic dampening, and global container export delivery.
Heavy-duty thermal break aluminum frame featuring crank-out casement sash mechanics and custom architectural decoration grills. Engineered for maximum ventilation and wind resistance.
Classic American double-hung vertical sliding sash built with high-density fusion-welded profiles. Ideal for Los Angeles HPOZ historical restorations requiring authentic aesthetics with modern thermal sealing.
Custom arched radius hopper/awning sash fabricated with tinted acoustic double glazing. Blocks aggressive solar heat gain while insulating urban homes against traffic noise.
Dual-function tilt-and-turn vinyl sash engineering. Provides secure top-tilt micro-ventilation or complete swing-in opening for rapid interior cleaning and emergency egress compliance.
Architectural aluminum sash designed for high-density multi-family developments and hotel facades. Features pressure-equalized weep channels and heavy-gauge structural corner keys.
Innovative residential fenestration combining vertical shading louvers with an energy-efficient awning sash. Excellent privacy control for contemporary suburban estates and urban infill projects.
Moisture-resistant modular window sash tailored for residential bathrooms, entry halls, and luxury villas. Manufactured with stainless steel friction hinges and obscured privacy glass.
High-adaptability bottom-hinged hopper sash system built for rapid air turnover. Designed for low-maintenance operation across luxury farmhouses, boutique hotels, and residential estates.
In the rapidly evolving Southern California fenestration market, window sashes represent far more than standard glazed frames. They are critical architectural load-bearing structural elements responsible for energy envelope efficiency, solar thermal insulation, seismic structural compliance, and acoustic mitigation against urban noise pollution. As a premier window sashes manufacturer and direct container exporter serving Los Angeles, Amar Engineered Products operates at the intersection of raw material extrusion, automated fusion-welded fabrication, and custom architectural engineering.
Unlike mechanically screwed sash corners that utilize localized rubber gaskets—which contract, dry-rot, and degrade under intense Mojave/Pacific UV radiation—fusion-welded vinyl sashes melt the frame and sash corners into a single monolithic PVC weld. This completely eliminates air leakage at frame junctions, maintaining structural integrity across decades of thermal cycling.
The Greater Los Angeles metropolitan area spans five distinct thermal microclimates, demanding specialized sash profiles depending on jobsite geographical coordinates:
San Fernando Valley, Pasadena, Santa Clarita: Temperatures frequently surpass 105°F. Sashes specified for these inland regions require Lodz-366 triple-silver coatings with argon fill to achieve a Solar Heat Gain Coefficient (SHGC) under 0.22, preventing interior solar heat buildup.
Malibu, Santa Monica, Pacific Palisades: High saline ocean mist degrades inferior metals. Our coastal window sashes utilize 100% virgin vinyl extruded profile chambers reinforced with stainless steel 304 hardware and anti-corrosive multi-point locking cams.
Downtown LA, I-405 / I-10 Freeways, Century City: Heavy vehicle traffic creates low-frequency acoustic vibrations. Sashes outfitted with dissimilar glass thickness (e.g., 6mm outer pane + 4mm inner pane) achieve Sound Transmission Class (STC) ratings above 38.
California’s Building Energy Efficiency Standards (Title 24 Part 6) set mandatory maximum U-Factor and SHGC requirements for new residential and commercial window replacements. Modern architectural designs in Los Angeles—including high-density Accessory Dwelling Units (ADUs) and multi-family infills—demand maximum visible light transmittance (VLT > 0.60) alongside low SHGC (< 0.23).
By controlling the profile extrusion process in-house, our sash systems incorporate multi-chambered internal air cavities. These internal air pockets act as thermal barriers, drastically reducing conductive energy transfer without requiring bulky, unsightly exterior frames.
| Sash Product Series | Frame Depth | U-Factor (Btu/h·ft²·°F) | SHGC Range | Max STC Acoustic | Target Application |
|---|---|---|---|---|---|
| 3G Max Architectural Sash | 3-1/4" Depth | 0.24 – 0.27 | 0.20 – 0.25 | STC 40 | Luxury Residential & Custom Remodels |
| 5000 Series Multi-Family Sash | 2-7/8" Depth | 0.27 – 0.30 | 0.22 – 0.28 | STC 36 | High-Density Apartments & Motels |
| 1733 Retrofit Replacement Sash | 2-1/2" Depth | 0.28 – 0.31 | 0.23 – 0.29 | STC 34 | Fast Turnaround Window Replacements |
| Thermal Break Aluminum Sash | 3-1/2" Depth | 0.25 – 0.28 | 0.21 – 0.26 | STC 42 | Modernist Glass Elevations & Commercial |
As a seasoned manufacturer and exporter based in Southern California, we specialize in high-density container consolidation for regional contractors, international developers, and building material distributors across North America, Latin America, and Oceania. All window sashes are individually shrink-wrapped, corner-protected with high-density EVA foam, and mounted onto custom steel-reinforced export pallets designed for effortless forklift unloading at destination ports.
We own the extrusion dies, corner fusion welders, and glass insulating lines—eliminating middleman markups and guaranteeing exact quality control.
No outsourced frame kits or mechanically screwed corners. Monolithic high-temperature fusion welding welds sash corners into a single permanent unit that never sags, leaks air, or separates over time.
We strictly utilize virgin uPVC resin with titanium dioxide UV stabilizers. Reground scrap plastic is never blended into our window sash profiles, preventing yellowing, cracking, and structural embrittlement under sunshine.
Every window sash is manufactured to order down to 1/8-inch increments. Whether retrofitting an existing rough opening or building custom architectural arches, our sashes fit tightly without filler strips.
Triple-silver low-emissivity glass coatings reflect solar infrared radiation back outside while permitting natural ambient daylight. Rooms stay cool without dark, tinted glass appearances.
Direct export pricing for volume builders, hotel groups, and overseas importers. We palletize, crate, and containerize shipments with complete export documentation and schedule tracking.
Backed by a clear limited lifetime warranty covering sash profiles, vinyl welds, glass seal integrity, and operational hardware against stress failure and defects.
Expert insights for architects, general contractors, property managers, and international importers.
Yes. Every sash unit is manufactured to order in precise 1/8-inch dimensional increments from our own extruded profiles. This eliminates the need for oversized perimeter trim or unsightly filler foam, allowing replacement sashes to fit existing rough openings effortlessly.
Fusion welding uses precise heat to melt the vinyl frame and sash corners together into a single monolithic solid piece. Mechanically joined windows rely on screws, rubber gaskets, and caulk, which break down over time due to thermal expansion and UV exposure, causing draft leaks.
Our sashes feature multi-chambered uPVC profiles combined with Lodz-366 triple-silver low-E coatings, warm-edge spacers, and pure argon gas fill. This construction achieves U-Factors below 0.27 and SHGC ratings below 0.22, exceeding strict CalGreen and Title 24 requirements.
Yes. We offer acoustic insulated glass packages featuring dissimilar glass thickness (e.g., 6mm outer pane + 4mm inner pane) as well as sound-dampening PVB laminated interlayers. These specialized sashes achieve STC ratings up to 40+, drastically dampening traffic and aircraft noise.
Absolutley. We supply distributors, resort developers, and trade importers globally. Orders are custom-crated, palletized with high-density EVA corner protectors, and loaded into 20ft or 40ft HQ export containers for secure long-haul maritime or rail transport.
Our products come with a written Limited Lifetime Warranty covering vinyl sash extrusion profiles, corner fusion welds, operational mechanical hardware, and sealed insulating glass units against stress seal failure.
Submit your architectural window schedule, elevation drawings, or field dimensions. Our engineering specification team will review your requirements and provide line-by-line factory direct pricing.