Welcome to KP Building Products Ltd.

For over 45 years, KP Building Products Ltd. Ltd. has been providing leadership and excellence to the exterior building products market.  We are the only, privately-held, Canadian owned, family-owned company with continuity of ownership since its founding in 1974, thus allowing us to reinvest in our plants, people and R&D.


About Us


Builders, Remodelers, and Architects know that a home should be as beautiful and unique as the family that lives inside. That’s why we have a large selection of colors and styles to suit every homeowner.

Our mission at KP Building Products Ltd. Ltd. is to offer you the most energy efficient products on the market to help you save on energy costs now and for years to come. Our dedicated team is continually looking for new technologies to make our windows and doors even more energy efficient and environmentally friendly.

By choosing our products, you are making a decision that will have a positive impact on the environment by reducing your carbon footprint and supporting a company that is dedicated to being environmentally responsible.

Farley Windows

State of the art technology for superior windows


High Performance Glass Technology


Extending natural beauty into your home

Patio Doors

Enhance your home’s beauty with natural light

Building professionals everywhere turn to ABTCO Vinyl Siding® for outstanding quality, selection and service. Designed to outperform wood, our products last for decades and raise the value of the house with a combination of traditional beauty and cutting-edge efficiency.

Another reason for the popularity of the ABTCO brand is the broad range of our product line . Our set of distinctive collections offers a comforting freedom of choice. ABTCO vinyl siding can please any personal taste, or fit almost any remodeling budget. Whether you’re going for the high end or the low end of our portfolio, KP Building Products Ltd. has siding solutions that rival any other competitor.


The Professionals Choice


Vinyl Siding

Because you deserve to live in your dream home today

Perfection Shingles

The warmth of cedar without the hassle.

Trims and Accessories

Singular style and selection


A system designed for durability and ease of installation

KP Building Products Ltd. - Careers

Explore exciting career opportunities at KP Building Products Ltd.. Bring your confidence, innovative thinking and enthusiasm to our Team.
Learn more