A better option for window replacement
You don't have to settle for vinyl replacement windows anymore. 100 Series windows perform far better thanks to our unique Fibrex® material. They come in dark colors that won’t fade,1 have precision welded corners for a clean design, and have a flush fin frame option in select market areas that make them great windows for stucco homes. Andersen is the #1 brand for window replacement.2
New! 100 Series flush fin windows available to order today.
Right product. Right material. Built right here.
100 Series flush fin windows
The only retrofit window made of Fibrex® material, and part of our 100 Series product line which is the smart alternative to vinyl.
Fibrex® composite material
This is Southwest material, through and through. 2X stronger than vinyl with exteriors that won't fade, flake, blister, or peel.1
Assembled in the Southwest
We proudly produce our 100 Series flush fin windows in our state-of-the-art Goodyear, Arizona manufacturing facility.4
Learn more about Flush Fin Windows
See the difference
100 Series replacement solutions info sheet
Learn more about our flush fin and insert windows for replacement applications.
100 Series product guide for pros
Find flush fin size information, detail drawings and performance information.
Installation overview video
Measure video
Installation guide
Overview of installation into a stucco home.
Frequently asked questions about Flush Fin
Do you make vinyl Flush Fin Windows
No. We use Fibrex® material in our 100 Series flush fin windows instead of vinyl because Fibrex material is 2X stronger than vinyl with 12X thicker finishes than painted vinyl.3 It has similar benefits to vinyl, but can withstand temperatures up to 150 degrees, and comes in dark colors that won’t fade, flake, blister, or peel.1
Want to know more? Here's everything you need to know about how vinyl and Fibrex® material compare.
Where can I buy Andersen® Flush Fin Windows
Andersen® 100 Series flush fin windows are available to order in Arizona, California, Colorado, Nevada, New Mexico, Texas and Utah. Contact your local Andersen dealer for details.
Do you make different types of Flush Fin retrofit windows?
We currently make flush fin (retrofit) windows only in our 100 Series product line. We also offer insert windows for replacement in our 100 Series, 400 Series, and E-Series product lines.
Who else makes Flush Fin Windows with Fibrex® material
Flush fin windows made with Fibrex® materials is exclusive to Andersen.
Become an Andersen Certified Contractor
With sales and support teams throughout the Southwest, you’ll be able to work with us locally on all your projects. And if you become an Andersen Certified Contractor, you’ll get the best support possible, with pre-qualified leads, marketing templates, in-home selling tools, and product and installation training.
1See individual product warranties for more information.
22022 Andersen brand survey of U.S. contractors
3When 100 Series products were tested against five leading competitors' painted vinyl window products
4Using U.S. and imported parts