WINDOWS & EXTERIOR DOORS

Whether you're building a new home, hiring a contractor or doing a home renovation project, check out our wide variety of quality window and door systems including:

Entry Door & Sidelights
Patio Doors
Interior Doors
Aluminum Doors
Casement Windows
Single & Double Hung
Single & Double Slider
Garage Doors

Whatever your desired look is – from rustic, to classic or contemporary – you’ll find something that works beautifully with your style! We carry custom solutions including skylights that provide superior energy efficiency and complete design flexibility. We also have a selection of doors that offer authentic detail and quality products to complement any home’s style.

Let us quote on your project! At Knowles Building Centre, we're ready to serve you.

Locks & Hardware Windows & Doors Photo Gallery Browse Catalog

Some of Our Windows & Door Brands

Door Locks & Hardware

Locks & Door Hardware

Locks and hardware are not only necessary, they dramatically enhance first impressions of a space with a handle and lock that suits the design just right. Browse our collection of traditional and modern doorware in many different finishes.

We provide residential locksets, interconnected locks, mortise locks, electronic and smart locks, knobs, deadbolts, levers and more. Planning a new build or home renovation? Let us quote you on your window and doors needs. Request a free estimate.