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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

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  • Milgard Replacement Product Lifetime Limited Warranty

    Milgard Manufacturing LLC warranty document for windows and doors manufactured after January 1, 2026 for installation into existing structures. Provides lifetime coverage for original purchasers while they own and occupy their residential dwelling, and 10-year limited warranty for all other owners.
    TagsNoise Mitigation, WindowsFolderNoise
  • Orwall, Lee, and Keiser — Port Package Window

    TagsNoise Mitigation, Port Packages, WindowsFolderNoise Mitigation
  • 2025-02-26

    StART SIRRPP Update — Field Assessment: Window Installation and Maintenance Issues (Slide 11, February 26, 2025)

    A presentation slide (page 11) summarizing field assessment findings related to window installation and maintenance issues, including screws at sill bottoms promoting water damage, caulked-over weepholes, and design factors affecting longevity and repairability. Specific concerns noted include non-removeable storm panels on fixed picture windows and inability to clean windows with moving sashes.
    TagsPresentation, SIRRPP, Sound Insulation, StART, WindowsFolderSIRRPP 20250226
  • 2025-02-26

    StART SIRRPP Update — Field Assessment Findings: Windows, Doors, and Ventilation — Slide 10 (February 26, 2025)

    A presentation slide summarizing field assessment findings for a noise insulation or mitigation program. Key findings include operational and appearance issues with windows (locking, condensation, seal failures, mold), absence of entry doors in port-sponsored installations, and ventilation via non-mechanical vents or fresh air intakes.
    TagsNoise Mitigation, SIRRPP, Sound Insulation, StART, WindowsFolderSIRRPP 20250226
  • 2024-05-02

    Port Of Seattle Sound Insulation Repair, Replacement, and Preventive Program (SIRRPP) Homeowner Condition Survey

    The Port of Seattle developed this Qualtrics survey to assess the condition of sound insulation treatments — such as windows and doors — previously installed in homes near Seattle-Tacoma International Airport. Residents are asked to verify their address, confirm property ownership and length of residency, and answer detailed questions about their windows, including how many exist and whether they were installed by the Port. The survey aims to identify items that may need repair, replacement, or maintenance.
    TagsPort Of Seattle, Port Package Program Updates, Port Packages, SIRRPP, Sound Insulation, Survey, WindowsFolderPort Packages
  • 2024-02-26

    Five Typical Examples of Port Package Damage

    These images document window condition issues including fogging between glass panes, condensation buildup, mold growth, and deteriorating frames and seals. The photos show evidence of moisture intrusion and seal failure in residential windows, with visible mold, rust stains, and dirt accumulation along window tracks and sills. Such conditions are commonly associated with prolonged exposure to noise-related vibration and humidity in properties near high-traffic areas like airports.
    TagsNoise Mitigation, Port Of Seattle, Port Packages, Sound Insulation, WindowsFolderPort Packages
  • 2024-02-04

    Some typical examples of Port Package problems

    This document illustrates common defects found in Port Package window and door installations in homes near Sea-Tac Airport, showing problems that go beyond normal wear and tear. Issues documented include exterior mold growth that impairs visibility, active water leakage between window panes, and serious structural damage caused by water infiltrating wall framing — in one case requiring a full wall replacement costing $100,000. These problems are reported across the geographic area where Port Packages have been installed and are not attributed to homeowner misuse.
    TagsMold, Noise Mitigation, Port Packages, Sound Insulation, WindowsFolderPort Packages
  • Port Package Documentation – Rotted Window Sill

    Karen Hynes, Des Moines, outer wall replacement Port Package 09-29-2020
    TagsPort Packages, Sea-Tac Airport, Sound Insulation, WindowsFolderPort Packages
  • 2020-02-25

    Failed windows

    A presentation slide titled 'Failed Windows' states that Alpine Windows installed in the 1990s had a higher than average failure rate, that Alpine went bankrupt in 2000 and stopped honoring warranties, and that approximately 5,000 homes received Alpine window products. The slide also notes that other products from the late 1980s and early 1990s may be failing due to end-of-lifespan issues, and that state legislation is being proposed to allow replacement of failed products.
    CategoriesMeetings TagsAccelerated Sound Insulation Program, Noise Mitigation, Port Of Seattle Commission, Port Packages, Presentation, Washington State Legislature, WindowsFolderNoise Mitigation
  • Milgard: Understanding Noise

    Milgard understands the importance of peace and quiet in your home and engineers windows to help reduce unwanted noise. Unwanted outside noise can occur in homes by a highway, airport or in a loud urban setting. This can have a significant impact on the enjoyment of your home, particularly if it disrupts your sleep. Windows are
    CategoriesFrom The Web TagsMilgard, Noise Mitigation, Port Packages, Windows

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

[See all...]


Help study childhood asthma. Get free HEPA filter!

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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.
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