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Impact Windows

If you own a home anywhere near the Cape Fear coast, you already know why impact windows come up so often in renovation conversations. New Hanover County sits in a wind borne debris region, and homes here are commonly built to withstand design wind speeds of 130 to 150 mph.

 That’s not a marketing number. It’s the standard set by North Carolina’s coastal building code, and it’s the reason so many homeowners are replacing single pane and even older double pane windows before the next storm season rolls around.

Impact windows use laminated glass bonded to a plastic interlayer, so the glass can crack under debris impact without opening a hole in your wall. Reinforced frames handle higher pressure loads than standard vinyl or aluminum units. 

The result is a window built to stay in the opening and stay intact, even when a 2×4 comes flying across your yard at 60 mph during a hurricane.

Why This Matters for Local Homeowners

Hurricane Florence made this personal for a lot of people in 2018. Homes with storm shutters or impact glass came through with far less window and water damage than homes without either protection. 

Since then, insurance carriers along the coast have gotten more particular about wind mitigation, and impact windows are one of the two code approved options for meeting wind borne debris requirements (storm shutters being the other).

Here’s a quick side-by-side of what changes when you upgrade:

FeatureStandard WindowImpact Window
Glass typeSingle or dual-pane annealedLaminated safety glass, dual-pane
Debris resistanceShatters on impactStays intact when cracked
Storm prep neededShutters or plywoodNone, no install/removal cycle
Noise reductionModerateNoticeably better, thicker laminate
Typical wind ratingNot rated for debris impactRated for 130-150 mph zones

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What It Costs, and What You’re Actually Buying

Impact window pricing runs higher than standard replacement windows, usually in the range of $700 to $1,500 or more per window installed, depending on size, frame material, and glass configuration. That’s a real number to plan around. But it’s worth breaking down what you’re paying for: a laminated glass package, a reinforced frame system, and installation that meets the anchoring requirements for high wind zones. Skipping any of the three defeats the point.

Brands matter here too. PGT Impact windows are manufactured in Florida and are common on Carolina coast installs because of their large missile test ratings. CGI Windows offers aluminum framed impact units that hold up well on waterfront and sound side homes exposed to salt air. 

Simonton makes a vinyl framed impact line that tends to be a more budget friendly entry point for inland New Hanover County properties that still fall inside the wind borne debris boundary. None of these are the only options, but they’re the names you’ll see most often on local permits.

The Housing Market Angle

The median sale price in Wilmington sat around $479,000 in mid 2026, with homes taking roughly 54 to 57 days to sell on average. Buyers moving here from out of state, and there are a lot of them, tend to ask about storm protection early in the process. 

A home with documented impact windows is an easier sell, and in some cases an easier insure, than a comparable home without them. Agents in this market have started listing impact glass right alongside square footage and school zones because it answers a question buyers are already asking before they walk through the door.

Financing options, manufacturer rebates, and utility incentives shift throughout the year, so the numbers above are a starting point, not a quote. A measurement and consultation will tell you what your specific home needs, how many openings qualify for wind-borne debris coverage, and which frame material makes sense for your exposure. 

Coastal properties near the water and inland properties a few miles up the Cape Fear River aren’t dealing with identical conditions, and the right window package reflects that difference.