How to Measure Double Hung Windows

How to Measure Your Windows

Double hung windows consist of two separate window panels, both of which slide up and down. Typically, the window is opened by sliding the bottom panel upwards.

Follow the Step by Step Instructions Below to Properly Guard Your Double Hung Windows
For technical assistance, contact safe-tots.com at (508)757-0820

1) Measure the width inside of the window frame. (Figure 1-1)

2) Measure the height of the opening with the bottom window panel fully opened.

If the height of the opening is greater than 21-3/8", window stops must be used to prevent the window from opening above this point. There is also an arrow on the side post indicating the maximum opening height.
If window stops are not used, the opening between the top bar of the guard and the bottom of the window panel will exceed 4-inches and create a possible fall hazard.
Window stops are available from safe-tots.com under our "Window Safety" link or by clicking here.

3) Measure the depth of the window frame where the posts will be mounted (inside right and left sides of window frame).

If the depth of the window frame measures less than 3/4 inches, the guard will need to be mounted on the outside of the window frame (on the window trim or wall). Add at least 1-1/2 inches to the inside window frame measurement. (The extra 1-1/2 inches is the width of both side posts)

4) Once you have determined the above measurements, you can order your guards online by clicking here.

5) Once you receive your window guard, install it following the included instructions.

Installation instructions can also be obtained by clicking here.

Cautionary Note
There should be no more than a 4-inch opening anywhere in the guarded area. This includes the area between the top bar on the window guard and the bottom of the opened window panel (Figure 1-2). If this opening is more than 4-inches, window stops must be used to prevent the window from opening above this point.

Figure 1-2

Large bar (5/8" diameter)
Small bar (1/2" diameter)
Grid assembly, horizontal bars (large and small) telescope to fit various window widths
End post, window openings should not exceed 4 inches above the top horizontal bar (indicated by an arrow on end post)
Emergency release button, each guard has 4
Each end post is 3/4" wide x 3/4" deep
End posts screw into window frame or molding from sides or front (4 screws per guard)

Important Safety Notes

     ·Before installing, verify building and fire codes are not being violated. Contact local
      building code or fire department for specific codes.
     ·Screws should be anchored firmly into a solid stud or frame material to achieve
      maximum safety.
     ·This window guard is intended to protect against potential window falls by children
      age 5 & under.
     ·Parents, child-care custodians and older children must understand the proper
      operation of this guard in case of emergency.
     ·Window guards are designed to be a deterrent against accidental window falls. This
      product is not intended as a substitute for proper adult supervision.
     ·Guardian Angel Window Guards are not meant to protect against intruders.

Possible Fall Hazard

Young children may fall out of the window if the window guard is not installed correctly.
     ·Check to make sure there are no openings in the guarded area more than 4 inches.
Young children may fall out of the window if installation instructions are not followed.
     ·Use recommended materials and techniques.
     ·Make sure window guard is securely attached to the window frame.
     ·Make sure the window frame is in good condition.

Download Measuring Instructions

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Did You Know...??
Accidents are the number one health hazard faced by children.
To help parents become aware of some common safety hazards around the home, we have put together a Safety Tips and Information Guide. You can view and download this guide by clicking the link below.

Safety Tips & Information Guide