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Which Window Material Is Right for Your Colorado Home?

If you’re exploring new windows, you’ve probably noticed there’s no shortage of choices. Fiberglass, vinyl, wood, composite—each material brings something different to the table. But how do they really hold up in Colorado’s unpredictable weather?

Here’s a side-by-side look at the pros and cons of each window material – so you can make the right call for your home and your budget.


Window Material Showdown: Fiberglass vs. Vinyl vs. Wood vs. Composite

Material Durability Cost Energy Efficiency Maintenance Best For
Fiberglass ★★★★★ $$$$ ★★★★★ Low Colorado’s harsh conditions
Vinyl ★★★☆☆ $$ ★★★★☆ Low Budget-friendly upgrades
Wood ★★★★☆ $$$$ ★★★★☆ High Vintage or historic homes
Composite ★★★★☆ $$$ ★★★★☆ Medium Mixed-performance buyers

Why Fiberglass (Especially Infinity®) Is Built for Colorado

Colorado’s climate can be brutal—sunny and warm one day, snowy the next. That’s why fiberglass, particularly Infinity from Marvin®, is our go-to recommendation. It doesn’t warp, swell, or crack. It handles Colorado’s temperature swings like a champ. And thanks to its clean look and high thermal performance, it nails both form and function.

Vinyl: Budget-Friendly, But Don’t Expect Forever

Vinyl windows are popular for their affordability and low maintenance. But here’s the tradeoff: they tend to expand and contract with the heat, which can lead to seal failure over time. In Colorado, that’s not ideal. They’re fine for short-term fixes or rental properties, but aren’t designed to go the distance.

Wood: Beautiful, But High Maintenance

There’s no denying that wood windows look stunning. They’re a great match for historic homes or anyone chasing that classic, natural aesthetic. Just know that they require regular maintenance, especially in Colorado, where moisture and sun exposure can lead to peeling, warping, and rot. And they are usually very expensive.

Composite: A Bit of Everything, But Not Always the Best

Composite windows blend different materials, like vinyl and wood, to offer a balanced alternative. They look similar to fiberglass but don’t always match its performance. Quality varies from brand to brand, so make sure you understand what’s inside before committing.

Colorado’s Weather Demands Tougher Windows

From hailstorms and high winds to intense UV exposure and sudden temperature drops, your windows need to be more than just pretty. Fiberglass delivers where others fall short—with strength, insulation, and longevity that makes sense in our state.