Window Gas Struts – Controlled Opening & Safe Closing

Smooth & Controlled Operation

Window gas struts provide effortless lifting and closing, ensuring smooth, stable movement without sudden slamming.

Durable & Reliable Performance

Made with high-quality materials and precision design, window gas struts deliver long-lasting durability and safe, consistent support for residential and automotive windows.

Space & Ventilation Optimization

By allowing windows to fully extend, gas struts for windows maximize opening space and improve ventilation, enhancing comfort and air circulation.

GASTAC is a professional manufacturer of window gas struts and custom gas springs for residential, commercial, marine, and industrial window applications.

Our window gas struts provide smooth opening, controlled closing, and reliable support for different types of windows. With customized force, stroke length, mounting fittings, and materials available, we help global customers develop reliable gas spring solutions for OEM and replacement projects.

​ Window Gas Struts

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Gas Struts Servery Window

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Gas Lift Windows

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Gas Struts Awning Window

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Window Shocks

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Window Struts

​​ Window Gas Struts Specifications

For various types of windows (including top-hung windows, outward-opening top-hung windows, RV service windows, and skylights), gas struts require higher rated support force and sturdier profiles to withstand the window’s own weight and wind loads. The specifications for GASTAC window gas struts are as follows:

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  • Heavy-Duty Sizing (8-18 & 10-22 Series): Driven by premium Rod-to-Tube Ratios, featuring a 8 mm rod / 18 mm cylinder, a 10 mm rod / 22 mm cylinder or a 14 mm rod / 28 mm cylinder for maximum structural rigidity.
  • Extended Length (Center-to-Center): Ranges from 500 mm to 1300 mm (Approx. 20 to 52 inches) to provide wide-angle openings for ventilation.
  • Stroke Travel Range: Offers extended compression travel from 200 mm to 600 mm.
  • Force Range Availability: Configurable from 100N to 1200N (approx. 22 lbs to 270 lbs of force per strut) to handle heavy double-glazed glass or solid wood window frames.
  • End Fitting for Gas Springs: Offers heavy-duty configuration choices including steel metal ball joints (∅10mm/∅13mm), reinforced welded eyelets, or high-tensile M8/M10 threaded ends.

​​ Window Size Specifications

Selecting the correct window gas strut requires balancing the sash weight, center of gravity, and opening angle. GASTAC provides standard pre-configured sizes below, as well as fully customized engineering support for unique window dimensions. Whether your procurement requirements involve hundreds or thousands of units annually, our engineering team ensures precise force calculation.

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Custom Gas Strut Windows

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Gas Strut Awning Window 36″W x 36″H

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Gas Strut Awning Window 42″W x 36″H

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Gas Strut Awning Window 42″W x 42″H

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Gas Strut Awning Window 48″W x 36″H

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Gas Strut Awning Window 48″W x 42″H

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Gas Strut Awning Window 48″W x 48″H

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Gas Strut Awning Window 54″W x 36″H

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Gas Strut Awning Window 54″W x 42″H

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Gas Strut Awning Window 54″W x 48″H

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Gas Strut Awning Window 54″W x 54″H

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Gas Strut Awning Window 60″W x 36″H

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Gas Strut Awning Window 60″W x 42″H

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Gas Strut Awning Window 60″W x 48″H

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Gas Strut Awning Window 60″W x 54″H

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Gas Strut Awning Window 60″W x 60″H

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Gas Strut Awning Window 72″W x 36″H

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Gas Strut Awning Window 72″W x 42″H

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Gas Strut Awning Window 72″W x 48″H

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Gas Strut Awning Window 72″W x 54″H

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Gas Strut Awning Window 72″W x 60″H

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Gas Strut Awning Window 72″W x 72″H

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Gas Strut Awning Window 84″W x 60″H

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Gas Strut Awning Window 96″W x 60″H

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Gas Strut Awning Window 120″W x 60″H

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Gas Strut Awning Window 132″W x 60″H

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Gas Strut Awning Window 144″W x 60″H

Window Gas Struts Application

Residential Commercial Windows

Residential & Commercial Windows

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Automotive RV Windows

Automotive & RV Windows

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Service Servery Windows

Service & Servery Windows

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Perfect for kitchens, balconies, and office windows, ensuring effortless operation and effective ventilation.

Applied in cars, RVs, and yachts to support side or overhead windows, improving convenience and safety with awning window gas struts.

Ideal for restaurants, cafes, or service counters, allowing easy upward opening and efficient use of space.

Why Choose GASTAC as Your Window Gas Strut Supplier?

Choosing the right gas spring supplier is crucial to ensuring the performance, reliability, and durability of your top-hung window system. As a leading Asian gas spring manufacturer, GASTAC provides comprehensive gas spring solutions for top-hung windows to window manufacturers, OEM customers, and distributors worldwide.

Below are the key reasons why GASTAC has become the preferred partner for customers seeking reliable gas strut awning window solutions:

  • With a proven track record of serving over 100+ clients exclusively in the window industry, and establishing long-term partnerships with numerous leading brands.
  • Factory scale with over 10,000 m² production facility and 100+ employees, including engineering, production, and quality control teams
  • Compliance with international quality and safety standards (e.g., ISO certification)
  • Production capacity of 50,000 gas struts for awning window every two weeks.
  • Strict tolerance control for consistent force output across production batches (Error within 0.2%)
  • On-time delivery rate exceeding 98%, as verified by customer feedback.
  • Free samples are available for customer testing and validation (shipping costs apply).、
  • Verified cycle life testing and durability performance reports
  • Reliable after-sales service and technical support for long-term cooperation

Frequently Asked Questions

They help lift, hold, and smoothly close windows or hatches, ensuring effortless and safe operation.

Check the window size, weight, and opening angle to select the right pressure (N) and length.

Yes, they can be used on awning, canopy, caravan, and skylight windows with proper end fittings.

High-quality struts like GASTAC’s are tested for over 100,000 cycles under normal use.

Yes, installation is simple — just follow the instructions and ensure correct mounting points.

GASTAC window gas struts are corrosion-resistant and suitable for outdoor or marine environments.

If the window drops suddenly or fails to stay open, the gas pressure has weakened and replacement is needed.

Yes, GASTAC provides custom force, stroke, and materials to match your window design perfectly.

Why Choose GASTAC

With unmatched quality, competitive pricing, complete pre- and after-sales support, and fast, secure delivery, GASTAC has become one of the world’s leading manufacturers of gas spring–based solutions.

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