Window & Door Services In The Portland Area

In need of windows or door installation in the Portland Metro Area of Oregon? Sister Siding does both.

Window Replacement & Installation

Whether its a window replacement or new window installation, updating your windows is an important aspect of keeping your home safe from the Pacific Northwest elements. A window upgrade will also keep your home energy efficient by keeping electricity bills down. Sister Siding is a trusted window replacement and installation contractor that is ready to work on your project.

Before Window Installationafter-new-window-and-siding-installation-by-sister-siding

Door replacement & Installation

Protect and enhance your house by upgrading your doors. With many color options and solid materials, your new door will stand the test of time, keep your home safe, and give it an updated look. Sister Siding’s door installation and replacement crew can have your new doors installed in as little as a day so you don’t have to worry about security, weather, insulation, or pests.


Don’t hesitate to ask about our financing options for window and door replacements!

Window & Door Replacement Process

Our estimator will visit your home and guide you through the design process to cultivate a custom plan for your window and/or door replacement. From there, if you choose to have materials ordered by us, our Sister Siding installation expert will measure and order your replacement windows and doors right then and there! We will take extra time to ensure all necessary steps are taken for an installation and sealing using manufacturer guidelines. On the scheduled date, our team of contractors will come in and replace your door or windows in as little as one day! Our team has amassed a large amount of hands-on experience over the years, which makes them stand out against the competition and deliver a level of work you will truly be happy with for years to come.

Our detailed window and door installation process is outlined below:

  • You’ll get to meet with our project manager, Lucas.

  • We’ll give you a quote.

  • We’ll get your project scheduled.

  • In-depth measurements will be taken to order the correct windows or/and doors for your home.

  • If ordered through Sister Siding, the materials will arrive at your home.

  • At the time of installation or repair, our window and door installers will remove the existing windows or doors.

  • Framing will be redone.

  • The framing will be sealed with Fortiflash Tape.

  • New windows and doors will be installed and shimmed to be level.

  • Exterior Flanges will be sealed with Fortiflash tape.

Why Sister Siding?

Sister Siding is committed to providing outstanding customer service and an unmatched window and door installations. As a family owned business, our projects are all managed by a single person from initial bid to finalized product without the runaround that could happen in a larger window or door replacement company. Our window and door professionals are on time and held accountable through every step of the installation process. We value integrity over having an unhappy or unsatisfied customer and would prefer to earn a solid reputation for being a contractor that people can rely on.

Family Owned & Operated

Every project is managed and finalized by our project manager who can assist you in a smooth and stress free door and window installation process while upholding our values for a quality replacement.


Sister Siding only uses quality materials alongside proper window and door installation equipment so you can have the best end result possible.


The employee led crew at Sister Siding knows how to work alongside other contractors and subcontractors on large projects to deliver a job well done on both commercial and residential door and window replacement projects.

We Are Warrantied

You can trust that the work will be completed right the first time with clear communication and attention to detail. However, in the unlikely event of a mishap you can also trust us to make things right.

Reliable Team Members

We rely on our year-round, in-house crew to ensure door and window project needs are met in every season for worry-free installations.


Our professional installers are flexible with schedules and perform the task at hand in a timely manner, while still ensuring that you receive a superior result that protects your home and makes it look like new!


Window & Door Wooden Trim Repair

Sister Siding repairs wooden door and window trims that might have cosmetic damages such as cracking wood, gashes, scratches and more, to bring them back to life.

Door Painting & Staining

Does your current door simply need a change of color? Our painting professionals would be happy to help you change the look of your door to compliment your home and style with a new paint or stain. Contact us to get started.

Energy Efficient Windows & Doors

Sister Siding offers a wide range of options when it comes to updating and protecting your house. Our team of trained professionals can help you save money with new energy-efficient options like double-paned windows and insulated doors. Upgrading to energy-efficient windows and doors will not only help to reduce the cost of your monthly bills, but it will also transform the look of your home for the better. Our home window and door replacement services make changing your windows and doors easy.

Still Need To Find The Right Windows Or Doors?

If you need to order your windows and doors, Sister Siding can help you get the materials you need. We take precise measurements to ensure you purchase and receive the correct sized window and doors for your installation. Some brands of windows that we work with are Milgard, Andersen, PlyGem, and Cascade. Looking for a specific window or door type? We have further recommendations that you can sort through with one of our team members to find the perfect windows and doors for your home.


Window & Door Services

  • Window Replacement
  • Door Replacement
  • Window & Door Wood Trim Repair
  • Energy Efficient Window & Door Installation
  • Door & Window Trim Installation
  • Window & Door Trim Painting
  • Door Painting & Staining

Other Services We Offer

  • Siding Repair, Replacement & Installation

  • Commercial & Residential Interior Painting

  • Commercial & Residential Exterior Painting

  • Certified Lead Based Paint Removal

  • Residential Roof Repair & Replacement

  • Deck Replacement & Installation

Contact Us

Contact us to set up a free consultation, and don’t forget to ask about our financing options. Our team of experts will come out to your property and give you an honest evaluation for your project. Our contractors are flexible to work with your schedule, so you don’t have to worry about setting aside an inconvenient time for us to come out. Call us at 503-979-9819 or reach out via our Contact Page to tell us about your project.