Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
IKO Windows & Doors: The Irvine Owner’s Guide
We stock and install IKO-compatible windows and doors across Irvine, with most replacement projects running $4,500-$15,000 for full window replacement and $8,000-$25,000 for impact-rated installations depending on the series and opening count. Many IKO parts are available same-day through our supply chain, and we carry common hardware, sash balances, and weatherstripping profiles on our trucks. Homeowners usually notice the problem first as a draft they can’t trace, a window that won’t stay open, or condensation between panes that won’t wipe away.
Which IKO Models This Applies To
IKO’s window and door lines have shifted over the past two decades, and the part you need depends on the vintage. Pre-2015 units often carry the IKO Gold Series or Silver Series labels, found on a sticker in the top track of sliding windows or the hinge side of casements. Newer production uses the ProSeries and UltraView designations, with a 10-digit model code stamped into the spacer bar between glass panes. The critical compatibility gotcha: IKO changed its sash balance width from 5/8-inch to 3/4-inch in 2018, and the wrong size will bind in the jamb. We source OEM IKO hardware where it’s still manufactured, and where IKO has discontinued a part, we specify equivalents from AmesburyTruth or Caldwell that match the original operating force and cycle rating. For Irvine’s coastal-influenced climate, we generally recommend staying with OEM weatherstripping formulations rather than generic replacements, since the salt air degrades standard EPDM faster than the IKO-specified Santoprene blend.
Signs Your IKO Windows & Doors Is Failing

- The window drifts closed or won’t stay open. This points to a failed sash balance, the spring-loaded counterweight inside the jamb track. In Irvine’s dry summers, the lubricant dries and the coil fatigues; we see this most often in south-facing units that bake from 10 a.m. to 4 p.m.
- Visible moisture or fog between the glass panes. The insulated glass unit (IGU) seal has failed, releasing the argon fill and allowing condensation. Once the desiccant saturates, the fog becomes permanent and the thermal performance drops to that of a single pane.
- Air leaks around the frame or sash, even when closed and locked. Compression weatherstripping loses its memory after 8-12 years in California UV, and the pile seal on sliding tracks flattens out. The leak is usually worst on the prevailing-wind side of the house.
- Difficulty locking or unlocking, or a misaligned sash. Hinge arms on casement windows wear at the pivot pin, and the keep (the strike plate) shifts as the frame settles. Forced closure bends the mechanism further.
- Cracking, warping, or delamination of the frame material. IKO’s vinyl compounds hold up well, but dark-colored frames in direct sun can exceed 140°F surface temperature, accelerating thermal expansion stress. We see this in Orchard Hills and Shady Canyon installations with minimal overhang.
Before
AfterReplacement Cost & What’s Included
For IKO window and door work in Irvine, our installed pricing breaks down as follows:
| Service | Price Range |
|---|---|
| Single window replacement (standard vinyl) | $450-$1,200 |
| Single window replacement (impact-rated) | $800-$2,400 |
| Full home window replacement (10-15 openings) | $4,500-$15,000 |
| Impact window full-home installation | $8,000-$25,000 |
| Sash balance / hardware repair (per window) | $180-$340 |
| IGU (glass-only) replacement | $280-$650 |
The range reflects unit size, floor level (second-story carries ladder and scaffolding time), and whether the existing frame is square and sound. Every quote is a flat written price with a written scope, delivered before work starts, under Clause 1 of The Haven Standard. Our 365-Day Done Right Promise covers the installation and hardware; IKO’s own glass warranty runs 20 years on most IGUs. We pull permits where Irvine requires them, typically on new-construction-grade replacements or any structural modification to the opening.
DIY or Call Us?

There’s a clear line here. An owner can safely check the model label, measure the visible glass dimensions, and verify that the lock engages fully - that’s useful information to have when you call. What we don’t recommend: removing a sash balance under tension, cutting out an IGU without understanding the glazing stops, or adjusting hinges on a casement while the sash is unsupported. The balance spring stores significant energy, and an uncontrolled release can damage the jamb or worse. We’ve also seen homeowners break the thermal break in an aluminum frame by forcing a misaligned sash. If you’re holding a part number and want confirmation it matches your series, call us. If the window is stuck, leaking, or the glass is compromised, the repair needs a trained technician with the right tools and the liability coverage. Under The Haven Standard, every visit includes a documented photo record of what we found and what we did, so you have evidence of the condition, not just our word.
FAQs
Vinyl IKO windows typically perform well for 20-25 years in Orange County, though coastal exposure within two miles of the Pacific can shorten weatherstripping life to 8-10 years. The IGU seal is usually the first failure point, not the frame. Call (657) 227-2502 for an exact quote on your units - estimates are free.
An IGU can be replaced independently of the frame if the sash is in good condition and the part is still manufactured for that series. For discontinued profiles, a full sash or window replacement is the only viable path. We stock common IKO IGU sizes and can measure for custom builds when needed. Call (657) 227-2502 to schedule a free evaluation.
A single window takes 2-4 hours installed; a full home of 12-15 windows spreads across 2-3 days with drying time for sealants. We don’t promise same-day completion on full replacements because proper flashing and sealant cure time matters more than speed. Call (657) 227-2502 for a written timeline with your quote.
We carry common sash balances, locks, keepers, and weatherstripping profiles for IKO’s active series, plus universal-fit equivalents for discontinued lines. Specialized IGUs and complete sashes are ordered to spec with a 5-10 day lead time. Call (657) 227-2502 to confirm availability for your model - estimates are free.
Rowan Construction Group Irvine is an independent service provider and is not affiliated with IKO. We also stock parts for KraftMaid, Cambria, and Silestone products.
Ready to get a written price before anyone picks up a tool? Call (657) 227-2502 to schedule your free estimate. We’ll confirm the part match, scope the work, and leave you with a flat number you can screenshot and compare. Measure twice, build it once, write it down.
Written by Grant Rowan, Owner, Rowan Construction Group Irvine at Rowan Construction Group Irvine, serving Irvine and nearby areas.







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