Best ASTM F2090 Compliant Devices for Window Safety

Looking for the best ASTM F2090 compliant devices for window safety? Find the top-rated window safety devices that prevent falls and meet strict safety regulations.

Table of Contents

Introduction

Window safety is a crucial concern, especially for households with young children or elderly individuals. Each year, thousands of accidents occur due to window falls, leading to serious injuries or fatalities. To combat this, ASTM F2090 compliant devices have become a standard requirement for window fall prevention.

These devices ensure restricted window openings, reducing the risk of falls while allowing for natural ventilation. If you’re looking for the best ASTM F2090 compliant devices for window safety, this guide will help you choose the right device for your needs.

What Are ASTM F2090 Compliant Devices?

ASTM F2090 compliant devices are window safety devices designed to prevent accidental falls from open windows. They comply with ASTM F2090-21, a voluntary safety standard that outlines the design, testing, and performance criteria for window fall prevention devices.

Key Features of ASTM F2090 Compliant Devices:

✔ Prevents falls while maintaining window functionality.
✔ Limits window openings to 4 inches or less to prevent accidents.
✔ Operable in emergencies, allowing quick egress during fires.
✔ Durable and tamper-resistant for long-term safety.
✔ Easy to install and works with multiple window types.

Why Are ASTM F2090 Compliant Devices Important?

Window falls are a major safety hazard, especially in homes, schools, and healthcare facilities. The Consumer Product Safety Commission (CPSC) reports that over 3,300 children under the age of five are injured each year due to window falls.

Installing ASTM F2090 compliant devices helps:

Reduce fall risks by limiting window openings.
Ensure compliance with building codes and safety regulations.
Provide peace of mind for parents, caregivers, and building managers.

Now, let’s explore the best ASTM F2090 compliant devices for window safety in 2025.

Best ASTM F2090 Compliant Devices for Window Safety (2025)

1. KidCo Window Stop (S377)

The KidCo Window Stop is a simple yet effective ASTM F2090 compliant device. It’s designed for single-hung, double-hung, and sliding windows and limits window openings to 4 inches.

Pros & Cons of KidCo Window Stop

Pros	Cons
Easy to install	Only suitable for certain window types
Tamper-resistant	May require additional tools for installation
Complies with ASTM F2090	Not compatible with casement windows

👉 Buy from KidCo

2. Guardian Angel Window Guard

The Guardian Angel Window Guard is a heavy-duty safety solution designed for high-rise apartments and homes. It features quick-release buttons for easy emergency escape.

Pros & Cons of Guardian Angel Window Guard

Pros	Cons
High-strength steel construction	More expensive than other options
Quick-release for emergencies	Requires drilling for installation
Adjustable size to fit different windows

👉 Buy from Guardian Angel

3. Prime-Line U 9819 Window Lock

The Prime-Line U 9819 Window Lock is a budget-friendly window safety device that meets ASTM F2090 standards. It’s designed for horizontal and vertical sliding windows and is easy to install.

Pros & Cons of Prime-Line U 9819

Pros	Cons
Affordable	Limited to sliding windows
Easy to install	May not fit all window types
No drilling required	Less durable than metal alternatives

👉 Buy from Prime-Line

4. Defender Security S 4772 Window Lock

The Defender Security S 4772 is a durable window safety lock that prevents windows from opening beyond 4 inches. It’s suitable for wooden and aluminum windows.

Pros & Cons of Defender Security S 4772

Pros	Cons
Sturdy aluminum construction	Not suitable for casement windows
Meets ASTM F2090 safety standards	Requires key for operation
Secure and tamper-resistant

👉 Buy from Defender Security

Comparison Table: Best ASTM F2090 Compliant Devices for Window Safety

Device Name	Best For	Window Compatibility	Installation Method	Emergency Release	Price Range
KidCo Window Stop (S377)	Budget safety	Single-hung, double-hung	No-drill installation	No	$
Guardian Angel Window Guard	High-rise buildings	Various window types	Drilling required	Yes	$$$$
Prime-Line U 9819 Lock	Affordable option	Sliding windows	No-drill installation	No	$
Defender Security S 4772	Heavy-duty locking	Wooden & aluminum	Screw installation	Yes	$$

How to Install ASTM F2090 Compliant Devices

Step 1: Choose the Right Device

Determine your window type (sliding, casement, double-hung, etc.).
Ensure the device meets ASTM F2090 standards.

Step 2: Prepare the Window

Clean the installation area to remove dust and debris.
Measure the window opening to ensure the device fits correctly.

Step 3: Install the Device

For window stops and locks: Attach using adhesive strips or screws.
For window guards: Drill holes into the window frame and secure the guard.

Step 4: Test the Device

Open and close the window to ensure proper function.
Test emergency release features (if applicable).

Frequently Asked Questions (FAQs)

1. Are ASTM F2090 compliant devices required by law?

While ASTM F2090 compliance is not always legally required, many building codes and landlords recommend or mandate these devices for child safety.

2. Can I install window safety devices myself?

Yes, many window locks and stops are DIY-friendly and require no special tools. However, window guards may require professional installation.

3. Do window safety devices block emergency exits?

No, ASTM F2090 compliant devices are designed for safety while still allowing quick emergency exits. Look for models with quick-release mechanisms.

4. How do I maintain window safety devices?

Regularly check for loose screws or adhesive failures.
Test quick-release mechanisms to ensure proper function.
Replace damaged devices immediately.

Final Thoughts: Choosing the Best ASTM F2090 Compliant Devices for Window Safety

Investing in ASTM F2090 compliant devices is a smart choice for protecting children, pets, and elderly individuals from accidental window falls.

If you want a budget-friendly solution, the Prime-Line U 9819 Lock is a great pick. If you need heavy-duty security, go for the Guardian Angel Window Guard.

Would you like personalized recommendations based on your window type and safety concerns? Let me know how I can help! 🚀

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