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Arched tops, circle windows, trapezoids, custom shapes—specialty windows require more care in sourcing and installation.
Arched tops, circle windows, trapezoids, and custom geometric shapes require precision sourcing and installation that standard window crews aren't set up to handle. We measure each opening precisely, source custom-fabricated units from manufacturers with reliable lead times, and install with the same flashing and air sealing standards we apply to every window project. You get a written quote, a confirmed lead time, and a workmanship warranty — specialty shapes, standard process.
Custom sourcing
Energy-efficient glass
13+ years experience
The most common specialty window projects in Pittsburgh involve replacing original arched or round-top windows in older homes. Many of these were single-pane and are now significant sources of heat loss. Modern arched and round-top windows are available with Low-E glass and warm-edge spacers—the same energy performance as standard rectangular units. Replacing them correctly preserves the home’s architectural character while eliminating the energy penalty of the originals.
Circle and elliptical windows are popular in gable ends, above entries, and in stairwells. Fixed configurations are most common—these locations rarely need ventilation—but some sizes are available as operable units. The framing around circular windows requires careful layout and cutting. Getting the rough opening right is the first step; everything else follows from that.
Large fixed picture windows and floor-to-ceiling units are another specialty area. These involve structural considerations—large openings need properly sized headers—and handling challenges, since large glass units are heavy and fragile. We assess the structural situation, plan the installation sequence, and handle large units with the care they require.
Have an arched, circular, or custom window that needs replacing? Get a free estimate from Picture Perfect Exteriors.
Custom sourcing. We work with manufacturers that produce arched, circular, geometric, and non-standard specialty windows.
Energy-efficient glass. Low-E and argon fill on specialty shapes—same performance standard as rectangular windows.
13+ years experience. Specialty installs require more precision. We’ve handled them across Pittsburgh’s older home stock.
Written estimate. Full scope, lead time, and pricing in writing before anything is ordered.
Free estimate. We assess the opening, discuss options, and give you a real number.
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Step 1 — Assessment & Measurement
We measure the existing opening or planned location with the precision custom shapes require.
Step 2 — Sourcing & Lead Time
We identify the right manufacturer for your window type and get accurate pricing and lead times. Custom shapes typically take three to six weeks from order.
Step 3 — Rough Opening Prep
For new openings, we frame precisely to the manufacturer’s specified rough opening size. For replacement of existing specialty windows, we assess the existing frame and repair or modify as needed.
Step 4 — Installation
Custom windows are handled carefully—larger and heavier units are staged and set with multiple hands. Shimming, leveling, and air sealing follow the same standards as any other installation.
Step 5 — Trim, Finish & Walkthrough
Interior and exterior trim is fitted and finished. We walk through the installation with you before leaving.
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Clear answers before you book. If you don't see your question — contact us and we'll help.
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Leak prevention & weather resistance.
Yes. Modern manufacturers produce arched and round-top windows in a wide range of sizes with the same energy-efficient glass packages as standard rectangular units. We measure the existing opening, source the correct unit, and install it to preserve the architectural character of your home.
Custom specialty windows typically take three to six weeks from order depending on complexity and manufacturer. We give you an accurate lead time during the estimate so you can plan accordingly.
Custom shapes carry a premium over standard rectangular units—manufacturing a unique shape costs more. The premium varies by complexity. We give you exact pricing in writing after assessing the specific window so you can evaluate the investment accurately.
Yes. Quality manufacturers produce specialty shapes with Low-E glass, warm-edge spacer systems, and insulated frames that deliver comparable energy performance to standard rectangular windows. The shape doesn't compromise the glass specification.
Yes. Large fixed windows and floor-to-ceiling units require structural assessment of the header above and careful handling during installation. We assess the structural situation during the estimate and plan the installation process to handle large glass safely.
We install radius and arched windows, trapezoid and geometric shapes, transoms, sidelites, and custom fixed picture windows. For historic Pittsburgh homes, we also work with reproduction windows that match original profiles in vinyl, fiberglass, and wood-clad options.
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Call 412-743-8208 or fill out our form for a free, no-obligation estimate. We serve Pittsburgh and all surrounding areas including Allegheny, Beaver, Butler, Washington, and Westmoreland counties.
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