
Shoreline, WA · Lifetime Aluminum Roofing
Metal Roofing in Shoreline, Washington
Interlock® installs lifetime aluminum metal roofing in Shoreline, WA — 39 roofs completed since 1998 by installation crews. Explore roofing profiles, local project evidence, and applicable limited warranty terms.
Why Shoreline homeowners choose Interlock
Interlock Metal Roofing (PNW) Inc. is Shoreline, Washington’s trusted local metal roofing contractor, proudly serving homeowners since 1997. As the exclusive authorized installer of Interlock® lifetime aluminum roofing systems, we deliver unmatched performance, beauty, and durability tailored for the Pacific Northwest’s unique climate. Our heavy-gauge, fire-resistant roofs are engineered to withstand Shoreline’s wet winters, frequent rain, and occasional snow, providing superior snow-shedding and long-term protection against moss, leaks, and wind. Choose from slate, cedar shingles, shake, Mediterranean tile, or standing seam styles—all featuring the advanced Alunar® Coating System for maximum energy efficiency and lasting curb appeal. Every installation is backed by our Limited Lifetime Transferable Warranty, making Interlock the best choice for roof replacement and re-roofing in Shoreline, WA.
- 39Roofs installed in Shoreline
- 1998First Shoreline installation
- 2022Most recent installation
- 12Verified local reviews
Roofing styles available in Shoreline
Explore five aluminum roofing profiles with the Alunar® coating system. Coverage and transfer provisions are subject to the applicable limited warranty terms.
SlateThe dimensional look of natural slate at a fraction of the weight.
Cedar ShingleThe appearance of cedar shingles in aluminum.
ShakeA deep, hand-split shake texture in aluminum.
Mediterranean TileClassic barrel-tile lines in lightweight aluminum.
Standing SeamClean vertical lines for modern and contemporary homes.
Explore all Interlock metal roofing systems →
Or browse aluminum roofing, metal shingles, aluminum shingles and copper roofing.
Interlock roofs we've installed in Shoreline
Completed Interlock® metal roofs near Shoreline, WA
Interlock® has installed 39 lifetime aluminum metal roofs in Shoreline, Washington, United States since 1998. Every marker represents an anonymized project from our installation records. Explore verified installations across Shoreline, Washington, United States on the interactive project map and photo grid — filter by roof profile (Slate, Cedar Shingle, Shake, Mediterranean Tile and Standing Seam), colour and year of completion.
Open Shoreline, WA on the interactive project map →Browse the Interlock® project directory for Shoreline, WA →See more Interlock® projects →
What Shoreline homeowners say
- ★★★★★
Shoreline, WA Review
Review: October 21, 2026Completion: October 22, 2026Good crew. Did good work.
- ★★★★★
Metal Tiles Shoreline, WA Review
Review: May 11, 2022Completion: March 24, 2022I think we covered it all.
- ★★★★★
Metal Shingles Shoreline, WA Review
Review: June 26, 2020Overall it was a good experience, it was a little rushed at first, but not due to pressure from them, but pressure from myself that I needed to get things moving. The sales reps I worked with were helpful. I submitted a deposit and then when I realized I needed to cancel the contract, within the timeframe contractually allowed, that is when I realized I needed to send a registered letter. Damon let me know that it wasn't strictly necessary, but given that was in the contract, and the contract… Read more →
- ★★★★★
Metal Shingles Shoreline, WA Review
Review: November 19, 2019Completion: October 23, 2019I have already recommended your company to several people. Nothing . Your company absolutely ROCKS!
- ★★★☆☆
Standing Seam Shoreline, WA Review
Review: August 8, 2018Completion: July 9, 2018Communication was lacking leading up to the start date of the project. We were told a vague estimate for the delivery date and another vague estimate for the start date.
- ★★★★★
Metal Shingles Shoreline, WA Review
Review: May 17, 2018Completion: April 5, 2018I think your pricing is prohibitive. There is a part of me that has buyers remorse. You could certainly make more sales if you decreased your bottom line. There was no flexibility... and that was frustrating.
Interlock Metal Roofing (PNW) Inc.
5608 17th Ave NW suite 1574, Seattle, WA 98107, United States
Sales & Marketing
Customer Service
www.washingtonmetalroofing.com
License: INTERMR75406
In Shoreline, Interlock® roofs are installed by Interlock Metal Roofing (PNW) Inc.
What does a metal roof cost in Shoreline?
Most Interlock® roofs in Washington come in at $16–$24 per square foot installed (USD). A typical home has about 28 squares (2,800 sq ft) of roof.
| Price per square foot, installed | $16–$24 |
|---|---|
| Typical contract | $40,000–$69,000 |
| Typical roof size | About 28 squares |
What moves the price
- Roof size and pitch. Steeper and larger roofs take more material and time.
- Profile. Shake and standing seam cost more per square foot than Slate and Cedar Shingle.
- What comes off. The number of old layers to remove.
- Details. Chimneys, skylights, valleys and dormers.
Based on 88 Interlock® contracts signed in Washington from January 2024 to October 2026 (the middle half of them). Updated October 30, 2026. Your quote is a fixed price in writing.
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Shoreline metal roofing FAQ
Who installs Interlock® metal roofs in Shoreline?
Interlock Metal Roofing (PNW) Inc. (206-589-8423) installs Interlock® roofs in Shoreline, WA. Interlock makes the roofing system; certified installation crews put it on.
How much does a metal roof cost in Shoreline?
Most Interlock® roofs in Washington come in at $16–$24 per square foot installed (USD), based on 88 contracts signed from January 2024 to October 2026. Roof size, pitch, profile and tear-off move the price; your quote is a fixed price in writing.
How many Interlock® roofs are there in Shoreline?
Our job book shows 39 Interlock® roofs installed in Shoreline, the first in 1998.
Which roofing styles can I get in Shoreline?
Interlock® Slate, Cedar Shingle, Shake, Mediterranean Tile and Standing Seam, all in heavy-gauge aluminum with the Alunar® coating system.
What warranty comes with an Interlock® roof?
Every Interlock® roof is covered by the Guardian Lifetime Limited Material Warranty, a Limited Lifetime Transferable Warranty. The full terms are on our warranty page.
Ready for your last roof in Shoreline?
Talk to your local Interlock® team about a lifetime aluminum roof — Never Re-Roof Again®.





