Trade Professionals

Windows & Doors By Brownell is here as your trusted design partner.

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You create the spaces. We help with the details.

Windows & Doors By Brownell works closely with architects, designers, contractors, builders and remodelers and offers professional services and resources for Marvin window and door products. We value our relationships. Whether your new construction or remodel project is residential, commercial, historic, or contemporary, we have the professional services and resources to help you get the job done right.

We recognize that the architectural and design community have specific needs from their design partners. We also realize that those ways have changed throughout the years. Windows & Doors By Brownell is here to provide you with whatever you might need to ensure your project vision becomes a reality. Throughout the year we offer learning courses.

Projects move fast, you need your design partner to do so as well. Windows & Doors By Brownell is here to help support builders and contractors, from a one man crew to multiple job sites. Our resources like expert product knowledge, job site consultations, and installation support are a few ways we can help you get the job done right. 

Here to support architects and contractors with their upcoming commercial projects. 

Here to support institutions and municipalities.

Technical Resources in One Easy Place

Find technical specifications for window, door, and all Marvin products, including installation instructions, sizes and elevations, 3D drawings, architectural detail manuals and more.

Services we offer our trade professionals

Windows & Doors By Brownell is dedicated to helping our customers. We stand out in the industry because of the services and resources that we can offer. You can count on us for:

Job Site Consultation + Measuring

To assist in ensuring your Marvin windows and doors fit perfectly and answer any installation questions that may arise.

Shop Services

Complex requests including mulling, structural mulls, custom SDLs, custom jamb extensions, custom casing application and lock mortise.

Custom Design Capabilities

Capture the style your client is looking for through the use of Marvin’s wide variety of products. CAD and Photoshop drawings available.

Finishing Services

An environmentally friendly, state-of-the-art spray booth and paint shop for custom finishing and stain matching of windows, doors, metalwork, and more.

Men working to put new floor to ceiling windows with black frames in the structure of a new house with mountains in the distance


Installation Support & Services

With increasing demand for complex products (like knocked down doors, large mulls and large format doors and windows) more builders are seeking to outsource and expedite installation.  Let us help! Our services allow your team to continue moving forward on other parts of the build. We offer on-site installation support, training and service with technical expertise.

  • Efficient installation on all Marvin products
  • We know tips and tricks of how products go together
  • We use today’s best practices for air and water management

Big Deliveries

There’s no size that we can’t ship and deliver. If our in-house shop services can mull it, we can deliver it.

Helpful Resources

Design samples for Marvin products options

Expert Sales Team

To assist in ensuring your Marvin windows and doors fit perfectly and answer any installation questions that may arise.


Our friendly knowledgeable staff is here to help you and your client through our constantly updated Marvin Design Gallery showrooms.

Service & Parts

Here to service our Marvin product now and in the future. Fewer callbacks and peace of mind are key for architects, builders and homeowners alike.

Warehouse & Delivery

Our 17,000 sq. ft. warehouse has the ability to store windows and doors until the project is ready. Once ready, our delivery trucks run on a full-time basis.

Experience Our Visualization Wall

A unique and innovative showroom experience, see your plans and projects brought to life with our visualization tool. Windows & Doors By Brownell will be here to assist and help you visualize Marvin windows and doors to scale.

Explore Our Product Lines

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Infinity from Marvin Replacement Windows
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Exciting New Products

Marvin Ultimate Sliding French G2 + Sliding Narrow Profile The newly redesigned Marvin Ultimate Sliding French Door G2 and Marvin Sliding Narrow Profile Door perfectly…

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Inswing + Outswing Features Inswing or Outswing Wood interiors with extruded aluminum exteriors  Available in heights up to 10′ 3″ stiles and rails for more…

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Additional products offered by Windows & Doors By Brownell

3M Flashing Tape

We recommend 3M All Weather Flashing Tape 8067 for your next window and door installation. Available in 4″, 6″, 9″ and 12″ rolls.


Superior exterior and interior from quality manufacturers provides the right finishing touch to complete your project.

VELUX Skylights

Solar powered to fixed units skylights can bring light into a living space, while adding an architectural element.

Interior Doors

TruStile offers the industry-leading selection of interior panel doors, available in both paint-grade MDF or stain-grade wood.

Man with new window in a construction lift

We have always found them to be committed to providing excellent pricing coupled with the highest level of customer service.

Housewright, Builder

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