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Shape Windows
Shape windows are custom fixed windows built to fit openings a standard rectangle cannot. Arches, circles, half-rounds, triangles, trapezoids, whatever your wall calls for. They do not open. They are there for the light, the view, and the look of the house.
These are the windows that finish a home. A half-round over a front entry, a triangle following a gable roofline, a circle in a stairwell. Every one is made to order to the exact opening, so the fit is clean and the lines follow the architecture instead of fighting it.

Key Features and Benefits
- Made to order to almost any geometric shape
- Fixed design for maximum glass and clean sightlines
- Same energy-efficient sealed glass and Low-E options as my operating windows
- Metal-free warm-edge spacer and argon fill
- Industry leading warranty
- Energy Star certified product
- Colours and grills to match the rest of your windows
Clear, increased UV protection and tinted privacy glass options are available.
Available in two frames, Slim and Classic

Slim Profile
A deeper 4-9/16 inch frame with a narrow 2-7/8 inch face and a hidden gasket, so you get more glass and a cleaner, modern sightline. Built for new construction and larger openings where you want maximum light and the slimmest look.

Classic Profile
A proven 3-1/4 inch frame that drops into your existing opening without tearing up your interior or exterior trim. This is the workhorse for replacing old windows in a home you already live in. Familiar look, strong performance, clean fit.

The Installer Who Became the Owner
Before I started Perla, I spent years physically installing windows and doors for large companies across the GTA. I was the one on the ladder. I was the one cutting the frame, sealing the edges, making sure it was level and tight. And I saw things that bothered me. Rushed jobs. Gaps left unsealed. Installers told to finish faster so the company could book the next sale. Homeowners paying premium prices for work that would fail in 3 years — and nobody would be accountable. That’s why I started Perla. When you hire me, you’re not getting a salesperson who hands your job to a stranger. You’re getting the owner — someone who has done this with his own hands, who knows every mistake that gets made, and who won’t let it happen on your home. Every window I install, I ask myself one question: would I accept this in my own house? If the answer is no — we fix it before we leave. — Denys Diachenko, Founder & Installer