• Inventors of the patented Rain Jacket Flashing System

Replacement Windows Double Hung




There are few window styles that offer more classic beauty than double hung windows, and 2FL Windows & Siding has been a leading installer of Seattle double hung windows since 2002. As a trusted name in the industry, we’ve revolutionized the window replacement process with our Rain Jacket Flashing System, giving our customers a seamless installation that exceeds industry standards. With countless customizable options and guaranteed performance, our quality windows are the perfect choice for enhancing the value of any home.


High-Quality Tacoma Double Hung Windows Built to Last

For homes in Tacoma, double hung windows are a beautiful way to ramp up energy efficiency and enjoy increased ventilation in any room of the home. With easy-to-operate controls, both the upper and lower sashes of a double hung window open—giving you maximum air flow and ease of access for general cleaning.


At 2FL, we work with only the most trusted brands in the industry to provide you with high-quality double hung windows that offer:


  • Heavy-duty vinyl construction that is durable and extremely low-maintenance
  • Glass glazing to give you crystal-clear views and additional window protection
  • Wide selection of beautiful finishes and color options for a one-of-a-kind look
  • Energy Star products that feature superior weather stripping and Low-E coatings
  • Complete satisfaction guarantee backed by lifetime warranties
  • Flexible financing solutions for a home upgrade that you can afford… and so much more!


Get a Free Double Hung Window Estimate Today for Your Seattle Home


Customer satisfaction is the top priority at 2FL Windows & Siding, and we always go the extra mile to provide you with the highest value for your replacement windows in Washington. With exceptional service through each stage of the window installation process, you can feel confident knowing that you’re working with a company that is:



  • Accredited by the Better Business Bureau
  • Committed to eco-friendly business practices
  • Licensed, bonded, and insured
  • Staffed by highly skilled employees with decades of experience
  • Known as the water proofing specialists in Seattle and beyond


Learn more about why our Integrated—Leakless—Flawless double hung windows are the ideal choice for your home by giving our friendly team a call today! You can also get started right now and request your free estimate by filling out our simple online form.


  • “A great experience … spending money (for me) usually isn’t ….”

    S Diane
  • “We have spent hours just walking through our home saying, ‘Wow!! Unbelievable!!’… it truly is gorgeous!”

    R Wright

We service the I-5 corridor, included but not limited Seattle WA, Tacoma WA, Bellevue WA, Everett WA, Federal Way WA, Kent WA, Renton WA, Auburn WA, Lakewood WA, Shoreline WA, Redmond WA, Kirkland WA, Olympia WA, Edmonds WA, Sammamish WA, Lacey WA, Puyallup WA, Marysville WA, Bremerton WA, Lynnwood WA, Bothell WA, Burien WA, University Place WA, Mount Vernon WA, Des Moines WA, Issaquah WA, SeaTac WA, Bainbridge Island WA, Mercer Island WA, Mountlake Terrace WA, Maple Valley WA, Kenmore WA, Mukilteo WA, Mill Creek WA, Tukwila WA, Covington WA, Arlington WA, Monroe WA, Tumwater WA, Bonney Lake WA, Centralia WA, Lake Stevens WA, Lake Forest Park WA, Enumclaw WA, Woodinville WA, Newcastle WA, Snoqualmie WA, Edgewood WA, Snohomish WA, Sumner WA, Shelton WA, Burlington WA, Poulsbo WA, Port Orchard WA, DuPont WA, Fife WA, Chehalis WA, Gig Harbor WA, Milton WA, Brier WA, Normandy Park WA, Fircrest WA, Pacific WA, Orting WA, Duvall WA, Yelm WA, Stanwood WA, North Bend WA, Buckley WA, Black Diamond WA, Granite Falls WA, Medina WA, Clyde Hill WA, Algona WA, Everson WA, Gold Bar WA, Carnation WA, Tenino WA, Roy WA.

  1. R Wright