Custom vinyl windows and doors for Markham homes

Bring the design and performance details of your Markham window project into one plan. Panes manufactures custom vinyl windows with choices of size, opening style, glass and finish. Compare the configurations you want, coordinate your doors, and request a quote based on the actual openings and work required.

Design & price windows · Send sizes & photos

Supply-only orders available. Installation availability is confirmed by project address.

Define the details of your window design

For a design-focused renovation, make an elevation-by-elevation opening list. Note the frame colour, grille pattern, fixed and operating sections, and how the divisions line up across the front of the home. Include inspiration images alongside photos of the existing openings so the team can review which available vinyl window configurations suit your plans.

Explore custom vinyl window styles

Compare performance with specifications

Ask for the ratings of the complete window configuration you are comparing. U-factor describes heat transfer; solar heat gain coefficient describes how much solar heat passes through. The Canadian Energy Rating combines heat loss, solar gain and air leakage. Compare these measures alongside daylight, glass options and product price when considering double or triple glazing.

Read the window performance guide

Coordinate the entrance and patio doors

Review window finishes alongside the entry door, sidelites, transom and patio door. Keep a separate opening number for each system and specify the desired swing or sliding direction. Include privacy preferences and photos showing the surrounding finishes. Check samples and the options available for each product before assuming the same colour name gives an exact match across materials.

Explore complete entry door designs

Build an itemized Markham project quote

Send your measurements, photos and preferred configurations with your property address. List installation, removal and finishing work you want included, or request supply only for your own installer. For an addition or custom home, include the window schedule and specifications from your project professional. The team confirms product suitability, installation availability and delivery arrangements for the scope.

Request a quote for your Markham project

What to send for your Markham quote

  • Opening numbers matched to photos, drawings or elevations
  • Window styles, grille layouts, glass and interior and exterior finishes
  • Door layouts, privacy needs and opening directions
  • Your Markham address, project schedule and installation or supply-only requirements
Request a project quote

Window replacement questions in Markham

What should I compare when looking for high-end windows in Markham?

Compare specific features: frame material, sightlines, opening style, finishes, glass, operating hardware and the rated performance of the complete window. Panes’ window offering here is custom vinyl. Send the requirements that matter to your project so the team can confirm available options and provide comparable pricing.

Can I get a quote for a custom home or major renovation?

Yes. Send your window schedule, elevations, quantities and required specifications, and identify the person responsible for final measurements and installation. The team reviews whether the requested products and sizes suit the project before the order is finalized.

What should I check for a heritage property in Markham?

Contact the City’s Heritage Section before selecting replacements. Markham lists window and door replacement among alterations covered by its heritage permit process for protected properties. Confirm the materials, appearance and approvals required for your address before assuming a vinyl window is suitable. The City’s heritage permit guidance is linked below.

Are installation and supply-only quotes available?

Send your Markham address with the opening list to confirm installation availability and scope. If your own contractor will do the work, request supply only and have that installer confirm dimensions, frame details and delivery requirements before purchasing.