Most window companies are sales operations that subcontract the actual install. 314 Window & Door is the opposite: we started as the installation crew behind St. Louis roofing companies, and after more than 1,000 completed window and door projects, installation is still what we do best. When you hire us, the people measuring, ordering, and setting your windows are the same certified, W-2 crew — not whoever answered a job posting this week.
We’re Andersen and Pella Certified Contractors and also install ProVia, Simonton, Waudena, and more — so we recommend the window that fits your home and your budget, not the one brand we happen to carry. Every project starts with a free in-home estimate and precise measurement, and ends with a 1-year labor warranty on top of your manufacturer coverage.
An insert replacement (sometimes called a pocket install) keeps your existing frame and trim and sets the new window inside it. It’s faster and more affordable — and a good choice when the original frame is square, solid, and dry.
A full-frame replacement removes everything down to the rough opening: frame, sill, and trim. It costs more, but it’s the right call when there’s rot, water damage, or framing an insert would only hide. We inspect every opening during your estimate and tell you honestly which your home needs — including when the cheaper option is the right one.
Straight answers from the people who actually do the installing. Don’t see your question? Call (314) 816-3636 and ask the crew directly.
It depends on three things: how many windows, insert vs. full-frame installation, and the brand and glass package you choose. Because we install multiple brands — from budget-friendly Simonton to premium Andersen and Pella lines — we can usually build options across a range of budgets rather than quoting one price, take it or leave it. Estimates are free, in-home, and itemized, and financing is available through GreenSky and Synchrony.
If your existing frames are square, dry, and structurally sound, an insert replacement saves money and preserves your trim. If there’s rot, water staining, soft wood, or frames badly out of square, full-frame is the honest answer — setting a new insert into damaged framing only hides the problem. We check every opening during your free estimate and recommend per window, not per house.
We’re certified contractors for both Andersen and Pella, and we also install ProVia, Simonton, and Waudena windows and doors, plus Norman shutters, blinds, and shades. Because no single manufacturer pays our bills, our job is matching the right product to your home, your neighborhood, and your budget — and we’ll tell you plainly when the mid-priced option is the better value.
Once your windows arrive from the manufacturer — typically a few weeks after measurement, depending on brand and season — most full-home installations are finished in one to two days. Our crews install, insulate, seal, finish the trim, and haul away the old windows before we leave, and we walk the job with you before we call it done.
Yes — it’s one of our specialties. We came up through the St. Louis roofing world, so we know how hail and wind claims work. We inspect and document damaged windows and doors, give you an itemized scope for your adjuster, and handle replacement once your claim is approved. Learn about storm damage assessment — we’re available 24 hours for emergencies.
Windows and doors account for the overwhelming majority of water-penetration points on a home. A premium window installed poorly will leak, fog, and rot just as surely as a cheap one — and the product warranty won’t cover the installation mistake that ruined it.
That’s why our crews train continuously, hold certifications from Andersen, Pella, OSI, and Therma-Tru, and follow manufacturer installation specs on flashing, insulation, and sealing at every opening. It’s also why we put a 1-year labor warranty behind our work and service every manufacturer warranty we sell.
Roofing companies, builders, and property managers across the metro hire 314 to handle their window and door work — jobs where a callback costs the contractor their reputation. You get those exact crews, held to that exact standard, on your own home.
Curious what that looks like in practice? Read more about our team, see our three-layer warranty, or request a free estimate — we respond within 24 hours.
