Roof Flashing Repair in SeaTac, Burien, WA
Flashing is the thin metal that keeps water out at every roof joint — and it's the #1 source of leaks we repair. Roof Leak Repair Specialists is the local licensed expert for roof flashing repair in SeaTac, Burien, WA. SeaTac is the adjacent airport city of hotels, commercial buildings, and mid-century residential streets.
Roof flashing repair restores the metal transitions where your roof meets walls, chimneys, vents, and valleys. We remove the failed flashing, inspect the underlayment beneath, install new corrosion-resistant flashing, and seal it to manufacturer spec — then water-test the detail. Commercial flat roofs around the airport face constant HVAC traffic and puncture risks.
What Flashing Repair Costs in SeaTac
Simple flashing repairs — a chimney counter-flashing reseal, a section of step flashing — are among the most affordable professional roof repairs. Full chimney or wall re-flashing costs more but still far less than a re-roof.
Every quote is upfront and itemized: labor, materials, and any decking repair we find underneath. Residential streets under the flight path have 1950s–70s homes with aging roof systems. No surprises after the work starts.
- Itemized upfront pricing
- Most repairs completed in half a day
- Decking repairs quoted before proceeding
- Free estimates — call (888) 974-0663
Where Flashing Fails on SeaTac Homes
On SeaTac homes we most often find step flashing that has pulled away from sidewalls, apron flashing corroded at the base of walls, and counter flashing with failed sealant joints. SeaTac is the adjacent airport city of hotels, commercial buildings, and mid-century residential streets. Each failure lets water run behind the shingles instead of over them.
Because flashing sits at transitions, its failure often shows up as leaks far from the actual gap — a wall flashing leak can stain a ceiling two rooms away.
- Valley flashing worn through
- Drip edge missing or misinstalled
- Step flashing pulled from sidewalls
- Corroded apron flashing at walls
Flashing Repair vs. Full Replacement in Burien
If your shingles still have life and the failures are isolated to the flashing details, targeted flashing repair is the smart money — a fraction of re-roof cost with most of the leak protection.
When flashing is failing everywhere and the roof is near end of life, we'll tell you honestly that a re-roof makes more sense. Residential streets under the flight path have 1950s–70s homes with aging roof systems. We sell repairs, not replacements you don't need.
- Repair cost vs. re-roof comparison in writing
- Warranty on every flashing repair
- Targeted repair when shingles have life left
- Honest assessment, not upselling
Related Services
Helpful Roofing Guides
- Flashing Failure: The #1 Cause of Roof Leaks
- Why Roofs Leak in Heavy Rain (But Stay Dry in Light Showers)
Roof Flashing Repair in SeaTac FAQs
Do you repair flashing on tile and metal roofs too?
Yes. Tile, metal, and shingle roofs all rely on flashing at transitions — the details differ, but the principle and our process are the same.
How long does new flashing last?
Properly installed aluminum or galvanized flashing lasts 20+ years; copper can last 50+. The sealant joints need inspection every few years, which we include in our maintenance guidance.
How long does the repair take?
Most flashing repairs are completed in half a day. Full chimney re-flashing or multiple wall details can take a full day. We give you a firm timeline with the quote.