Standard Aluminum Single & Double Hung Window

Q: What aluminum windows and doors can you customize?

AMJ provides custom aluminum casement, tilt and turn, sliding, awning, hung and fixed windows, together with sliding, lift and slide, bifold and hinged doors. Sizes, glass, colors, hardware, screens and opening configurations can be customized.

Q: Can you review our drawings and prepare a project quote?

Yes. AMJ's professional technical team can review architectural drawings, BOQ, window schedules and opening dimensions. Project files can be sent to info@amjbm.com for technical review and a project-specific quotation.

Q: Can you meet project performance and local code requirements?

Product selection can be reviewed according to project location and required U-value, SHGC, design pressure, glass safety and other performance requirements.

Q: What glass and thermal performance options are available?

AMJ offers thermal-break aluminum systems with Low-E, tempered, laminated, insulated, tinted, frosted and argon-filled glass, as well as selected double- and triple-glazing configurations.

Q: How long are production and warranty coverage?

Production can be as fast as 25 days depending on project requirements. Warranty coverage is available for up to 15 years, with longer terms available for selected systems and projects.

Product Item：AMJ 108T Series Double Hung Window

✓ Best for North American homes, apartments, townhouses, and residential replacement projects.

✓ Available as single-hung, double-hung, and side-by-side fixed-window combinations.

✓ 1.6mm aluminum profiles with Caldwell balance hardware in black or white.

✓ Sash sizes from 350–1000mm wide × 600–2200mm high; 25kg standard or up to 40kg with a heavy-duty balancer.

✓ 5mm + 12A + 5mm insulated glass with fixed stainless steel or fiberglass mesh screens.

✓ Custom sizes, colors, glass, balances, screens, layouts, and installation options are available.

NFRC / CSA requirements can be reviewed by project.

Production as fast as 25 days · Warranty coverage up to 15 years.

Product Detail
FAQs

Vertical Ventilation in a Familiar North American Window Style

This aluminum double hung window is designed for residential, apartment, townhouse, modular, and light commercial projects that prefer vertically moving sashes and a traditional exterior appearance.

The system supports single-hung or double-hung configurations, Caldwell balancing hardware, fixed screen options, and insulated glass in a compact project-ready window.

↓ ↑

Upper sash can move down in a double-hung configuration

Lower sash moves up for everyday ventilation

1.6mm Aluminum Profile

350–1000mm Sash Width

600–2200mm Sash Height

25kg / 40kg Standard / Heavy-Duty Balancer

Caldwell Black or White Hardware

Why Builders Choose This Double Hung Window

The system keeps the operation familiar while giving project buyers practical size, screen, installation, and hardware options.

Single-Hung or Double-Hung Configuration

Select a single-hung layout for one operable sash or a double-hung layout when both upper and lower sashes need vertical movement.

Caldwell Balancing Hardware

American Caldwell hardware is supplied in black or white. Standard balancing supports 25kg, while a heavy-duty balancer supports 40kg.

Fixed Screen Options

Fixed stainless steel mesh or fiberglass mesh can be selected for ventilation while helping keep insects outside.

Project-Friendly Installation

Nail fin, mounting tabs, or screw installation can be selected to match new construction and project opening details.

Single and Double Hung Window Operation

The hung window section starts at approximately 15 seconds and shows the vertical sash movement used by this product type.

Configured for Residential and Light Commercial Window Packages

Send the window schedule, rough opening sizes, quantity, glass, strip arrangement, screen choice, and installation detail for review.

Product Configuration

Window type Single-hung or double-hung aluminum window.

Profile thickness 1.6mm.

Standard hardware Caldwell balancing hardware in black or white.

Sash size 350–1000mm wide × 600–2200mm high.

Sash capacity 25kg standard; up to 40kg with the heavy-duty balancer.

Standard glass 5mm + 12A + 5mm insulated glass.

Strip arrangement The V2 specification lists interior, center, or exterior strip placement with the 5mm + 12A + 5mm IGU.

Screen Fixed stainless steel mesh or fiberglass mesh.

Installation Nail fin, mounting tabs, or screws.

Available layouts Single-hung, double-hung, and side-by-side fixed combinations.

Estimated Performance References

≥0.52 Estimated U-Factor
BTU/(h·ft²·°F)

300Pa Estimated Water Resistance

0.3 L/s·m² Estimated Air Leakage

≤3000Pa Estimated Wind Pressure Resistance

30dB Estimated Sound Insulation

1.6mm Aluminum Profile

All performance figures are estimated values from the latest AMJ product specification V2 dated July 23, 2026. Final results depend on window size, glass, configuration, installation, and the applicable project test report.

Single-Hung

One sash moves vertically while the other remains fixed.

Double-Hung

Upper and lower sashes can move vertically.

Side-by-Side Combination

Hung windows can be combined with adjacent fixed units.

Our Strength

Production Process Project Services Certificates

1. Checking & Alignment

2. Cutting & Punching

3. Milling Holes

4. Assembly

5. Glass Assembly

6. Packaging

7. Delivery

8. Installation

Drawing & Engineering Review

Sample Support

Quality Inspection

U.S. Showrooms

48-Hour On-Site Support

Warranty Service

NFRC

CSA

ENERGY STAR

ISO

Key Differences Between the Two Hung Window Systems

Only the specifications that differ are shown below, making it easier to choose the right system.

Comparison	Standard Aluminum Double Hung Window CURRENT	Large-Format Aluminum Double Hung Window
Profile Thickness	1.6mm	1.8mm
Sash Width	350–1000mm	350–1200mm
Sash Height	600–2200mm	600–3000mm
Sash Capacity	25kg standard / 40kg heavy-duty balancer	40kg
Estimated U-Factor	≥0.52 BTU/(h·ft²·°F)	≥0.48 BTU/(h·ft²·°F)
Installation	Nail fin / mounting tabs / screws	Nail fin / mounting tabs
Available Layouts	Single-hung / double-hung / side-by-side fixed combination	Top fixed + lower hung / upper hung + lower fixed / double-hung / side-by-side fixed combination
Published System Dimensions	Not listed in the current V2 specification	128mm depth; 55mm vertical frame; 55.1mm top frame; 24mm thermal break; 43.5mm bottom frame; 40.3mm meeting rail

Frequently Asked Questions

What are the main advantages of this double hung window?

It provides familiar vertical sash operation, Caldwell balancing hardware, single-hung or double-hung configurations, fixed screen options, and project-friendly nail fin or tab installation.

Can it be ordered as single hung or double hung?

Yes. Single-hung and double-hung configurations are available. Side-by-side combinations with fixed windows can also be reviewed.

How is the sash capacity selected?

The standard balancing system supports 25kg. A heavy-duty balancer can support up to 40kg. Final hardware selection depends on sash size and glass weight.

What glass and strip arrangements are listed?

The standard glass is 5mm + 12A + 5mm insulated glass. The V2 specification lists interior, center, or exterior strip placement.

What information should I send for a quotation?

Send the project location, rough opening sizes or window schedule, quantity, single-hung or double-hung layout, color, glass, screen, installation detail, and delivery ZIP code to info@amjbm.com.

What is the minimum order quantity?

We offer flexible MOQs. Sample sets can be reviewed before bulk production, and tiered pricing is available for full container load project orders.

Start Your Aluminum Double Hung Window Project

Send your drawings, window schedule, rough opening sizes, or BOQ for sash sizing, balancer selection, screen options, and project pricing.

Request a Project Quote Chat on WhatsApp

01 Why work with AMJ for aluminum window and door projects?

AMJ is a professional aluminum window and door manufacturer with nearly 20 years of industry experience and a 430,000 sq ft production base. Our engineering, production, quality-control and project teams support builders, contractors, developers, dealers and importers from product selection through production and delivery.

02 What aluminum windows and doors can you customize?

We provide custom aluminum casement, tilt & turn, sliding, awning, hung and fixed windows, together with sliding, lift & slide, bifold and hinged doors. Sizes, glass, colors, hardware, screens and opening configurations can be customized for residential and commercial projects.

03 What certifications do AMJ windows and doors have?

Selected AMJ aluminum window and door systems are available with NFRC and CSA certification support, ENERGY STAR options and Intertek testing experience. Certification depends on the specific product system, glass configuration, size and project requirements. Our team will confirm the applicable certified solution before quotation.

04 Can you review our drawings and prepare a project quote?

Yes. Our professional technical team can review architectural drawings, BOQ, window schedules and opening dimensions, then help confirm suitable window and door systems, glass, hardware and configurations. Send your project files to info@amjbm.com for technical review and a project-specific quotation.

05 Can you meet project performance and local code requirements?

Product selection can be reviewed according to the project location and required U-value, SHGC, design pressure, glass safety and other performance requirements. Share the project location and specifications with our team so the appropriate frame and glass configuration can be checked before production.

06 What glass and thermal performance options are available?

AMJ offers thermal-break aluminum systems with options including Low-E, tempered, laminated, insulated, tinted, frosted and argon-filled glass, as well as selected double- and triple-glazing configurations. The final setup is matched to the product system and project performance requirements.

07 How long are production and warranty coverage?

Production can be as fast as 25 days depending on quantity, configuration, glass, finish and project complexity. Warranty coverage is available for up to 15 years, with longer terms available for selected systems and projects. Final terms are confirmed according to the order specification.

08 What happens if we need replacement parts or after-sales support?

AMJ supports replacement hardware and service parts for AMJ project orders. Commonly used service components are kept available so our team can respond quickly when replacement or supplementary items are required. Order records also help us confirm the correct specification before arranging support.

09 How are orders packed and delivered?

Products are inspected before packing and protected according to the product type and shipping method. AMJ can support factory, port and door-to-door delivery options. Shipping terms and freight costs are confirmed according to the destination, quantity and project requirements.

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Tags: Single Hung Window; Double Hung Window; Aluminum Hung Window; Caldwell Hardware; North American Window

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