Rotten Window Repair in Darien

We were recently called out to a property in Darien where the homeowner was facing advanced rot damage on several wood windows. The lower sills and sash joints were visibly soft, crumbling, and saturated from years of exposure. The client originally thought full window replacement was necessary, but our team at Prestige Window and Door Repair showed how rotten window repair can restore structural integrity and extend the lifespan of original wooden windows — without the cost of full replacement.

The process began with a detailed inspection. We identified extensive moisture damage at the sill ends, bottom rails, and portions of the interior frame. In the Darien home, the rot had spread through older pine wood, weakening not just the surface but deeper structural elements. We carefully removed the decayed material, using chisels and rotary tools to cut back to solid, dry wood. Once exposed, we applied a two-part wood hardener to consolidate the remaining fibers and prepare the area for rebuilding.

Next, we fabricated custom wood patches to match the window’s original design. Our crew cut and shaped new sills and rail sections from rot-resistant hardwood, bonding them in place with marine-grade epoxy. These patches weren’t generic — they were profile-matched using the original window curves and moldings for a seamless finish. After sanding everything flush, we primed the area with oil-based primer and sealed it with high-performance caulking to prevent future moisture intrusion.

The before-and-after visuals on this project are a testament to detailed craftsmanship. Before repair, the windows in Darien were stained, split, and crumbling at the corners — especially where water had pooled. After our repair process, the rebuilt sections were solid, sharp-edged, and fully integrated with the rest of the window frame. The entire assembly was repainted to match, making the repaired areas indistinguishable from the original design.

While onsite, we inspected several other units and completed minor sash repair and re-caulking to prevent similar damage. The homeowner also inquired about our glass replacement, window frame repair, and historic sash restoration services, which we frequently provide throughout New Rochelle, Connecticut, and surrounding areas. At Prestige Window and Door Repair, we believe in preserving original window craftsmanship through expert repair rather than premature replacement.

If you notice soft sills, flaking paint, or sagging corners on your wooden windows, contact Prestige Window and Door Repair today. We proudly offer expert rotten window repair in Darien and nearby communities — restoring frames, sills, and sashes with proven techniques that deliver long-lasting results.