
Let's Compare...
FRAME MATERIALS
When it comes to windows, the material you select can be the unsung hero of your home. You want to make a choice that helps deliver long-term performance, stands up to daily life, and keeps your to-do list short.
Every window frame material has its pros and cons. Let’s explore those for some of the popular frame materials to help you choose windows that are both beautiful and beneficial. Want to do dive deeper into the different types of frame materials? Check out our Guide to Window Frame Materials covering the below materials and more in our resource library!
Frame Material
Fibrex® Composite Material
The revolutionary window frames for our Acclaim replacement windows are made Fibrex® composite material, which is made with reclaimed wood fiber and thermoplastic polymer fused together for strength and durability.
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Exclusive to Andersen
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Generally more expensive, but installation costs included in that
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As strong as wood and 2X stronger than vinyl
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Never requires painting and will not crack, pit, corrode, or rot*
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Long lifespan–stays strong, even after 30 years.**
*See Renewal by Andersen® Products and Installation Transferable Limited Warranty for details.
**Ultimate Tensile Strength. Six window units were tested in a Minnesota home 30 years after installation. Visit renewalbyandersen.com for warranty information.
Let's Compare Fibrex Composite to:

Material Comparison
Vinyl
- Affordable
- Low-maintenance
- Can have a shorter lifespan
- Can be susceptible to warping and sagging

Material Comparison
Wood
- Generally more expensive
- High maintenance
- Strong and durable
- Long lifespan, but can rot over time
- Resists fading, flaking, blistering, or peeling

Material Comparison
Fiberglass
- Generally more expensive
- Low maintenance
- Long lifespan, outlasts wood
- Resists warping, bowing, and rotting
- Susceptible to fading or chalkiness from sun exposure
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