Instructions / Assembly

4. Do you have an existing Andersen

insect screen that you are replacing?

(continued from previous page)

If No:

Measure the unobstructed glass dimension of the sash (this is the part of the glass that you can

see and touch). For double-hung windows, measure one of the sash. See examples below.

Double-Hung Casement/Awning

Using the dimensions, find the corresponding unit size in the product size grid for the correct

product type. See example below.

Example:

To quickly find the insect screen on homedepot.com, you may enter the number that follows “TW”

into the search field. In this example, enter “24310.”