Brands We Carry / MDL Door Systems

MDL Steel & Fiberglass Entry Doors in Kingston & Surrounding Areas


Custom Steel & Fiberglass Entrance Systems for Your Home

MDL Door Systems specializes in custom pre-hung steel and fiberglass entrance systems for renovation and new construction projects. Homeowners can choose from simple contemporary designs to more traditional configurations, with options including single doors, sidelights, double doors, terrace doors, and transoms.

The Window Centre offers MDL among its exterior door suppliers and can help homeowners throughout Kingston and surrounding Eastern Ontario communities compare materials, configurations, finishes, glass, and hardware for their project.

About MDL Door Systems

MDL Door Systems has been serving the entrance-door market since 1982 and focuses on custom steel and fiberglass exterior door systems. Its doors are assembled as complete pre-hung entrance systems, with products available in a wide range of styles and configurations.

The company is known for custom-door capabilities, attention to fit and assembly, and a broad selection designed for both renovation and new construction projects. MDL also operates a Quick Ship program for qualifying products and distributes its entrance systems through building-supply and window-and-door specialists throughout Ontario.

MDL Door Systems

Explore the MDL Door Systems brochure to learn more about its available door styles, designs, and product options.

Why Kingston-Area Projects Choose MDL Door Systems For Their Home

MDL offers homeowners a practical range of exterior door options that can be configured around the size, style, and layout of the entrance. Its steel and fiberglass systems combine insulated construction with multiple design choices, making them suitable for straightforward replacements as well as larger entrance upgrades.

  • Steel and fiberglass door options

  • Pre-hung entrance systems

  • Single and double-door configurations

  • Sidelight and transom options

  • Contemporary and traditional designs

  • Insulated polyurethane foam cores

  • Paintable and stainable finishes on select products

  • Custom configurations for renovation and new construction

Key Features & Benefits

Insulated Construction

MDL steel and fiberglass doors use premium polyurethane foam cores designed to improve insulation and exterior-door performance.

Steel & Fiberglass Choices

Homeowners can choose between steel for a durable, economical entrance system or fiberglass for increased resistance to dents, cracking, splitting, and rot.

Custom Entrance Configurations

Available layouts include single doors, sidelights, double doors, terrace doors, and transoms.

Thermal Performance Options

Select Optimum systems incorporate thermal breaks that separate interior and exterior frame components to reduce heat transfer.

Durable Exterior Surfaces

Steel door faces are corrosion resistant, while fiberglass options are designed to withstand moisture and seasonal temperature changes.

Weather Sealing

Standard features include compression foam weatherstripping and a Santoprene fixed door-bottom sweep.

Available Door Types

MDL Fiberglass Door

Fiberglass Doors

MDL fiberglass doors offer a durable, dent-resistant alternative to traditional steel doors without compromising on insulation. Designed to combine lasting performance with everyday practicality, they provide an excellent option for homeowners seeking a resilient entry door that complements their home. Available features include textured surfaces, woodgrain-style textures, paintable finishes and compression weatherstripping.

Steel Doors

MDL Steel Door

MDL steel doors combine insulated construction with a smooth, primed white finish that can be painted to match your home’s exterior. Their versatile finish makes it easy to coordinate your entryway with your preferred colour scheme while benefiting from a practical, well-insulated door system. Premium features include high-definition embossing, optional vinyl-clad frames and narrow steel profiles with improved thermal performance.

AREAS WE SERVE

The Window Centre supplies and installs MDL Door Systems products across Kingston and surrounding areas, including the following locations:

Visit our Showroom!

15 Binnington Court, Kingston, Ontario K7M 8M9


Our Installation Process

From your first consultation to final installation, we take care of every step. As a full-service Canadian window and door company, we provide exceptional service and complete customer satisfaction.

Step 1

Free Consultation

We assess your project needs and discuss the best options for your home.

Step 2

In-Home Measurements & Transparent Quote

One of our team members will visit your home, take precise measurements and provide clear pricing.

Step 3

Product Order

An order from our suppliers will be placed and delivered within several weeks.

Step 4

Professional Installation & Final Inspection

Our expert installation team will install the windows or doors and ensure everything meets your standards.


Warranties

At The Window Centre, our installations are completed by our own skilled professionals. This allows us to maintain direct oversight of every project, uphold our workmanship standards, and pay close attention to the details that matter.

We take responsibility for the quality of our work. Our 2 Year Craftsmanship Warranty provides additional coverage for eligible installation-related concerns, separate from the manufacturer’s warranty for your MDL steel door.

What Does Our Craftsmanship Warranty Cover?

For two years following substantial completion of your installation, The Window Centre stands behind the workmanship performed by our installation team, including:

  • Door Alignment & Operation: Proper positioning, levelling, squaring, and initial adjustments to support smooth operation and appropriate clearances.

  • Installation & Secure Fitting: Correct fastening and installation of your steel door in accordance with the scope of the original project.

  • Insulation & Weatherproofing: Installation-related shimming, insulation, perimeter sealing, and weatherproofing completed as part of the original installation.

  • Interior & Exterior Finishing: Workmanship associated with trim, caulking, and related finishing details included in your original installation agreement.

  • Workmanship-Related Corrections: Assessment and correction of deficiencies directly attributable to our original installation work, including necessary adjustments to address those deficiencies.

MDL Steel Door Manufacturer Warranty

The provided steel door warranty is issued by Novatech and outlines coverage periods for residential and commercial applications. The specific term depends on the product series, component, and type of defect.

Manufacturing Defect Coverage

  • Steel door components: Coverage for specified manufacturing defects, including rust, significant discolouration, surface deformation, chalking, and warping beyond the stated limits. Warranty periods vary by product series.

  • Hardware and accessories: Eligible hardware and accessories generally carry a five-year transferable warranty, with certain components subject to different terms.

  • Minor manufacturing imperfections: Certain easily identifiable manufacturing defects, such as stains, scratches, bumps, and deformations, are subject to a limited one-month warranty.

What Does the Manufacturer Warranty Exclude?

Novatech’s warranty covers specified defects in materials and manufacturing, subject to its conditions. Common exclusions include:

  • Damage caused by improper handling, installation, modification, or lack of maintenance.

  • Issues resulting from unsuitable paint, finishes, or harmful cleaning solvents.

  • Warping or deformation that remains within the manufacturer’s stated acceptable limits.

  • Rust or damage caused by drilling or modifying the door to install hardware, glass, or other components.

  • Damage associated with excessive heat, including use behind an unventilated storm door.

  • Problems caused by excessive indoor humidity, building movement, or structural or foundation defects.

  • Discolouration or surface deterioration from normal atmospheric exposure, pollutants, chemicals, or acid rain.

  • Water or air infiltration caused by extreme weather, vandalism, or explosions.

  • Labour, transportation, finishing, and other costs associated with replacing a covered product.


MDL Door Systems Product FAQs

Still can't find what you're looking for?

Build the Right Entrance with MDL Door Systems

Planning a front entrance upgrade? MDL offers steel and fiberglass door systems that can be customized with different glass, sidelights, transoms, finishes, and hardware.

The Window Centre can help you compare MDL options and select a complete entrance system suited to your home, project requirements, and budget.

To discuss your project or request a quote, call us at (613) 546-2221 or email info@thewindowcentre.ca.