VDK Ultra Windows

Premium energy-efficient windows engineered for exceptional performance and lasting beauty.

VDK Ultra Brand

VDK Ultra represents our commitment to excellence in window manufacturing. Every window is crafted with precision, using the finest materials and advanced manufacturing techniques to deliver superior performance, durability, and energy efficiency.

Premium Quality

Crafted with precision and attention to detail for lasting performance.

Energy Efficient

Designed to reduce energy costs and improve home comfort year-round.

Custom Crafted

Tailored to fit your home's unique style and requirements.

Build Quality & Manufacturing

Every VDK Ultra window is built to order and inspected at every step—precision, durability, and custom capability from quote to delivery.

Design & Quote

Your specs, our recommendation

Precision Cut & Weld

Fusion-welded frame

Glass & Seal

Glazing and weatherstrip

Inspection

Quality check at every stage

Ship

To your job site

Fusion-Welded Corners

Seamless, airtight joints with a molecular bond between frame components—stronger and better insulated than mechanical joints. Every unit.

Low-Maintenance Profile

uPVC construction that resists fading and warping. No painting, staining, or sealing—minimal upkeep, lasting appearance.

Manufactured in Ontario, Canada

Get a free quote

Frequently Asked Questions

VDK Windows and doors are manufactured at our facilities in Norwich, Ontario (Canada) and Kentwood, Michigan (USA). All products are made with precision craftsmanship and attention to detail.

Yes, we offer free quotes for all our windows and doors. Contact us through our contact form or call us directly to discuss your project and receive a personalized quote.

Installation time varies depending on the scope of your project. A typical residential window installation can take 1-3 days, while larger commercial projects may take longer. We will provide a timeline during your consultation.

Yes, VDK handles both residential and commercial projects. We provide windows and doors for homes, businesses, and large-scale commercial applications.

Yes, VDK windows and doors are designed with energy efficiency in mind. We offer various glazing options including double and triple glazing, Low-E coatings, and argon gas fills to maximize energy performance and reduce heating and cooling costs.

Yes, our installation team will remove and dispose of your old windows and doors as part of our installation service. This is included in our installation process.

VDK offers a wide range of window types including picture windows, casement windows, awning windows, double-hung windows, sliding windows, and custom designs. We can help you choose the best option for your needs.

Double glazing uses two panes of glass with an air or gas-filled space between them, while triple glazing uses three panes. Triple glazing provides superior insulation and energy efficiency but may have a higher initial cost. We can help you determine which option is best for your climate and needs.

Yes, new windows with proper glazing can significantly reduce outside noise. Double and triple glazing, along with proper installation and sealing, create an effective sound barrier for a quieter indoor environment.