Skip to main content
Signs & symptoms

Leaking or Foggy Egress Windows

If you’re seeing moisture near your basement egress window, it’s worth a closer look.

Condensation or Water Around Your Egress Window? Here’s Why You Shouldn’t Ignore It

If you’re seeing moisture near your basement egress window, it’s worth a closer look. Fog between the panes, water streaks on the wall, or soft spots near the sill aren’t just window problems; they are signs that something deeper may be going wrong.

In many Iowa homes, egress windows were added years ago without proper sealing or drainage. Over time, soil pressure shifts, seals fail, and water finds a way in. This often happens during freeze-thaw cycles or after periods of heavy spring rain. What starts as a little condensation can turn into mold, rot, or even foundation damage if it’s left alone.

At Anchored Walls, we don’t patch the surface. If your egress window is failing, we’ll replace it with one that’s code-compliant, properly supported, and built to keep your basement dry for the long haul.

Signs Your Egress Window May Be Failing

Most homeowners notice something is wrong with their egress window only after moisture becomes visible. But the earliest signs often show up in more subtle ways. Here's what to watch for:

  • Fog or condensation between window panes
    This usually means the seal between the glass layers has failed. Moisture is getting in, and insulation is breaking down.
  • Water stains on the wall or sill
    Discoloration, bubbling paint, or soft spots around the window frame may indicate that water is leaking through the opening or behind the trim.
  • Rust or corrosion on metal window parts
    Hinges, latches, or framing components that show rust may have been exposed to moisture over time. This weakens the hardware and can affect the window operation.
  • Musty odors near the window
    Dampness behind walls or under flooring often leads to mold growth, especially if the leak has been active for a while.
  • Loose or shifting soil around the window well
    If the window well isn't draining properly, water can pool against the egress opening. This puts pressure on the structure and increases the risk of seepage.

If you’re seeing one or more of these signs, the problem may not be limited to the window itself. It could point to larger issues with foundation drainage, soil movement, or failing waterproofing.

Why Egress Window Replacement Matters

Replacing a failing egress window isn’t just about stopping a leak. It’s about protecting the integrity of your foundation. When water seeps in through gaps around the frame, or pressure from shifting soil pushes against a weakened opening, the damage rarely stays isolated. Over time, it can spread to the surrounding wall, framing, and support structure.

That’s why Anchored Walls treats egress window replacement as part of a broader commitment to structural protection. We don’t just install a new window and walk away. We make sure the opening is sealed, supported, and ready to stand up to Iowa’s soil conditions and seasonal stress.

If your egress window is leaking, damaged, or no longer keeping water out, replacement is the most reliable way to prevent long-term damage.

Your Egress Window Is Also a Safety Exit

Egress windows exist for one reason: to provide a safe way out during an emergency. If there's a fire or a sudden need to evacuate, your basement egress window must open easily and fully. It also needs to provide a clear, accessible path to the outside.

But when water seeps into the frame, wood can swell. Metal parts can rust. Latches can stick. A window that’s already difficult to open on a normal day may be completely jammed when you need it most.

Moisture isn't just a maintenance concern; it’s a warning sign. A compromised egress window puts your safety at risk and may also fail to meet local code requirements. If the window can’t function the way it’s meant to, it’s time to consider full replacement.

Schedule a Free Egress Window Evaluation

If you’re seeing signs of moisture around your egress window, or if it no longer opens the way it should, don’t wait for the damage to spread. Anchored Walls can evaluate your window, inspect the surrounding structure, and let you know if it’s time for a replacement.

We’ve helped Iowa homeowners protect their homes and their families for over 40 years. If your egress window is failing, we’ll make sure it’s replaced the right way.

Contact us today to schedule a free inspection.

Google reviews

What homeowners say.

4.9 / 5 from 286 Google reviews.

Experienced hands. A clear plan.

Helping Iowa homeowners since 1978.

A repair plan built around your home.
Start with a free inspection. We explain what we find and put the recommended work in writing, so you can make an informed decision.

Schedule free inspection
★★★★★Google review
“Kaden and Dustin did an egress window for me and it was amazing work. They helped me stay within my budget and did the work fast even with the horrible heat we had. They were amazing and super nice”
luqmaan J.Verified Google review · Winterset, IA · Jul 2026
Lifetime transferable warranty

Lifetime transferable warranty

Protection that stays with the home, including when ownership changes. See the written warranty for covered work.

Money-back guarantee

Money-back guarantee

Your money is never at risk. We stand behind our work with a written money-back guarantee.

Five-star service guarantee

Five-star service guarantee

A clear plan, respectful crews, and a commitment to the experience as well as the repair.

Frequently Asked Questions

What are common signs I need foundation repair?

Some of the most common warning signs include cracks in your walls or floors, doors or windows that stick, uneven flooring, or gaps forming around baseboards and trim. These may seem minor at first, but they’re often caused by foundation movement and the longer they go untreated, the more costly the repairs can become.

Why does my basement only leak when it rains?

Water intrusion during rain is usually due to hydrostatic pressure—rainwater accumulating in the soil pushes through foundation cracks, joints, or window wells. It might seem harmless at first, but repeated leaks signal worsening conditions. A drainage system or professional waterproofing can stop this for good.

What Are The Egress Window Requirements In Iowa?

To meet code in Iowa, an egress window must: - Open at least 5.7 sq. ft. (or 5 sq. ft. if at ground level) - Have an opening at least 24" high and 20" wide - Have the bottom of the opening no more than 44" from the floor If your window is below ground level: - A window well is required, at least 9 sq. ft. in area (36" x 36" minimum) - If the well is deeper than 44", it must include a ladder or steps - If it’s under a deck or porch, you need 36" of vertical clearance to the yard

Does an egress window add value to my home?

Yes. It allows for safe basement bedrooms, meets resale requirements, and makes your home more appealing to buyers. A legal, finished basement adds livable space—often increasing market value significantly.

What Window Style Is Best For Egress?

It depends on your preferences and layout. Common choices include casement, sliding, single hung, and double hung windows. Our team can help you choose the best option for function and style.

A local team for your Iowa home.

From our Winterset location, we serve Des Moines, Ankeny, Waukee, Johnston, Urbandale, Clive, Ames, and surrounding communities. Check your ZIP for service at your address.

Black Hawk County — contains service ZIP codesHancock CountyWapello County — contains service ZIP codesCedar County — contains service ZIP codesHoward CountyWarren County — contains service ZIP codesWayne County — contains service ZIP codesMarshall County — contains service ZIP codesFranklin County — contains service ZIP codesDelaware CountyBuchanan CountyWebster County — contains service ZIP codesBoone County — contains service ZIP codesRinggold County — contains service ZIP codesShelby County — contains service ZIP codesUnion County — contains service ZIP codesAdams County — contains service ZIP codesMahaska County — contains service ZIP codesAdair County — contains service ZIP codesHamilton County — contains service ZIP codesHardin County — contains service ZIP codesIda CountyMarion County — contains service ZIP codesPoweshiek County — contains service ZIP codesPolk County — contains service ZIP codesMadison County — contains service ZIP codesVan Buren CountyHenry CountyCerro Gordo CountyWright CountyJones CountyCarroll County — contains service ZIP codesGreene County — contains service ZIP codesEmmet CountyMitchell CountyMontgomery CountyBremer CountyWashington County — contains service ZIP codesO'Brien CountyPocahontas County — contains service ZIP codesDavis County — contains service ZIP codesCrawford CountyGrundy County — contains service ZIP codesAudubon County — contains service ZIP codesLinn County — contains service ZIP codesKeokuk County — contains service ZIP codesSac County — contains service ZIP codesWoodbury CountyPottawattamie CountyMuscatine CountyMills CountyOsceola CountyFayette CountyJasper County — contains service ZIP codesDes Moines CountyStory County — contains service ZIP codesPlymouth CountyAppanoose County — contains service ZIP codesDubuque CountyFremont CountyDecatur County — contains service ZIP codesWinneshiek CountyClay CountyJohnson County — contains service ZIP codesLucas County — contains service ZIP codesMonroe County — contains service ZIP codesIowa County — contains service ZIP codesBenton County — contains service ZIP codesKossuth CountyScott CountyHarrison CountyLouisa CountyPage CountyClayton CountyHumboldt County — contains service ZIP codesJefferson County — contains service ZIP codesSioux CountyDallas County — contains service ZIP codesCass County — contains service ZIP codesClarke County — contains service ZIP codesMonona CountyCalhoun County — contains service ZIP codesJackson CountyChickasaw CountyGuthrie County — contains service ZIP codesWinnebago CountyDickinson CountyLee CountyTaylor County — contains service ZIP codesButler CountyFloyd CountyWorth CountyCherokee CountyPalo Alto CountyTama County — contains service ZIP codesBuena Vista CountyLyon CountyAllamakee CountyClinton County IOWA
Our service ZIPs fall within these countiesHover or focus a highlighted county for its name.

Highlighted counties contain service ZIP codes. Coverage varies within each county; check your ZIP and confirm your address when scheduling.