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THE INTERLOCK COLLECTION

Metal Roofing in Saint Clair, Washington — Lifetime Interlock® Aluminum Shingles Installed Locally

Saint Clair Metal Roofing Experts Installing Lifetime Interlock® Aluminum Shingles Since 1997

What do Interlock customers in Washington say?

Interlock has 734 published customer reviews from Washington, covering installations reviewed between 1999 and 2026. They average 4.7 out of 5, with 669 collected through independent GuildQuality surveys. Interlock® Slate is the most frequently installed system in the region, appearing in 287 of these projects. Across the surveys that scored individual categories, quality of materials rates highest at 4.9 out of 5.

Metal Roofing Built for Saint Clair's Heavy Rain, Snow Loads, Windstorms & Lifetime Protection

Interlock Metal Roofing (PNW) Inc. is the trusted local metal roofing contractor and exclusive authorized installer of Interlock® Lifetime Aluminum Roofing Systems for homeowners in Saint Clair, Washington. Since 1997, we have specialized in roof replacement and re-roofing services designed to withstand the unique Pacific Northwest climate. Our heavy-gauge, fire-resistant, and energy-efficient cool roofs are engineered to shed snow efficiently during harsh Saint Clair winters and provide long-term protection against rain, wind, and moss common in the region. Choose from the timeless beauty of slate, cedar shingles, shake, Mediterranean tile, or standing seam profiles—all with the unmatched strength and durability of metal. Every Interlock roof is protected by the advanced Alunar® Coating System and backed by a Lifetime Warranty, ensuring your Saint Clair home stays safe, beautiful, and energy-efficient for decades.

Interlock metal roofing styles including slate, cedar, shake, tile, and standing seam in Saint Clair, Washington

Performance you can measure (all climates)

Weather Resistant

Tested to 193+ km/h (120 mph) winds

Durable

Lifetime-Limited, transferable warranty

Energy Efficient

Reflective cool-roof lowers cooling costs

Rain & Moisture Proof

Repels ~1195 mm of rain a year

Impact Resistant

UL 2218 Class 4 — top hail rating

Freeze–Thaw Durable

Endures ~46 freeze–thaw days a year

  • Aluminum is Coated with the Alunar® Coating System (no visible aluminum surface) for uniform finish and corrosion resistance on Saint Clair roofs
  • Precision weatherproof seams (profiles: slate, cedar, shake, tile) and mechanical fastening (profile: standing seam) deliver long-term leak protection during wind-driven rain events
  • Tested to 193+ km/h (120+ mph) to resist uplift and seam failure during strong windstorms that can affect Saint Clair and surrounding Thurston County
  • Reinforced underlayment and sealed seams reduce infiltration during atmospheric river events that bring prolonged heavy rain to Saint Clair
  • Coating and substrate resist corrosion from occasional salt aerosol picked up during regional storm surge events along southern Puget Sound
  • Snow‑shedding panel geometry and robust attachments reduce snow buildup and help prevent ice dams through Saint Clair’s freeze–thaw cycles
  • Surface finish and profile design inhibit moss and algal adhesion, lowering cleaning frequency on damp, shaded Saint Clair roofs
  • Class A fire-rated available for homeowners prioritizing ember resistance and defensible‑space compliance in Thurston County
  • UL 2218 Class 4 impact resistance increases protection from hail, falling branches, and storm debris during seasonal storms
  • Reflective Alunar® coatings provide cool‑roof benefits that reduce heat gain and improve attic comfort during summer warm spells in Saint Clair
  • Engineered panel tolerances control thermal expansion/contraction across repeated freeze‑thaw temperature swings
  • Low‑maintenance finish resists peeling and blistering in the prolonged wet conditions typical of the Nisqually Basin area
  • Designed for rooftop solar: standing‑seam and mechanically fastened layouts accept bracket‑mounted PV without compromising panel integrity
  • Architectural slate, cedar‑shake and tile profiles reproduce traditional curb appeal while maintaining moisture‑tolerant performance in Saint Clair’s climate
  • Durable, fully recyclable aluminum minimizes life‑cycle replacement needs for environmentally conscious Thurston County homeowners
  • Backed by transferable Lifetime‑Limited warranty and certified installation protocols to protect long‑term value for Saint Clair properties

Metal roofing built for Saint Clair's climate

Averages (10-yr): ~1195 mm rain and 30 cm snow per year, ~2943 sunshine hours, mean 10.9°C, typical daily-max winds ~14 km/h with gusts to 98 km/h, and ~46 freeze–thaw days per year.

  • 30 cmavg. snow / year
  • 1195 mmavg. rain / year
  • 46freeze–thaw days / year
  • 98 km/hpeak wind gusts
  • 2943 hrsannual sunshine
  • 10.9°Cmean temperature

Roof performance depends on the selected profile, tested assembly, roof structure and installation details. Class A fire-rated assemblies are available. Confirm applicable ratings in the testing reports and review the limited warranty before selecting a system.

Interlock Metal Roofing (PNW) Inc.

Hours

  • Monday9:00 AM – 5:00 PM
  • Tuesday9:00 AM – 5:00 PM
  • Wednesday9:00 AM – 5:00 PM
  • Thursday9:00 AM – 5:00 PM
  • Friday9:00 AM – 5:00 PM
  • SaturdayBy appointment
  • SundayBy appointment

Interlock Metal Roofing (PNW) Inc. – Washington is a trusted metal roofing contractor proudly serving homeowners and businesses throughout Washington State. With decades of experience in the roofing industry, Interlock has built a reputation for unmatched quality, reliability, and customer satisfaction. As a specialized installer of premium aluminum and standing seam metal roofs, Interlock is an exclusive authorized installer of top-tier roofing systems designed for performance, longevity, and weather resilience — specifically engineered for the Pacific Northwest climate. Founded on principles of craftsmanship and integrity, Interlock Metal Roofing (PNW) Inc. has completed thousands of roofing projects with precision and professionalism, earning the loyalty of customers from Seattle to Spokane. Our team is known for timely project delivery, transparent communication, and exceptional workmanship, backed by robust warranties and industry-leading materials. Interlock’s commitment to excellence has been recognized through local and regional industry awards for safety, quality, and customer service. We stand out for our rigorous training standards, OSHA-certified crews, and adherence to best practices in roofing performance and installation safety. Whether it’s a residential metal re-roof, commercial roof installation, or custom architectural metal roofing, Interlock Metal Roofing (PNW) Inc. brings trusted expertise, lasting product solutions, and an unwavering focus on client satisfaction. Homes and businesses throughout Washington choose Interlock as their go-to metal roofing specialist because we deliver durable, high-performance roofs that stand the test of time.

Recognition GuildQuality Guildmaster Award — verified customer satisfaction (GuildQuality)

Accredited BBB Accredited A+

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Interlock® Aluminum Roofing — all-climates performance specs for Saint Clair, Washington

Spec / RatingClimate / Risk Factor + What It Solves
Wind resistance: 120+ mph (193+ kph)Extreme wind, hurricanes, storm uplift: full interlocking attachment helps prevent blow-offs, edge lifting, and panel loss in high-gust events.
Fire rating: Class A (with proper assembly)Wildfire, embers, radiant heat, chimney sparks: non-combustible roof assembly provides the highest residential fire protection rating.
Hail resistance: UL 2218 Class 4Hail and impact debris: highest impact classification; resists cracking, splitting, and surface loss common with asphalt under hail strikes.
Snow & ice performance: interlocking, shedding profileHeavy snow, freeze-thaw, ice dams: smooth aluminum sheds snow efficiently and the interlocking design helps block water intrusion when melt-refreeze cycles occur. (Final snow-load capacity depends on roof structure and local code.)
Corrosion resistance: aluminum (won’t rust)Salt air, coastal humidity, wet climates: aluminum naturally resists rust and corrosion, reducing long-term failure risk in marine or high-moisture environments.
Heat / UV durability: baked-on coating systemHigh heat, intense sun, thermal cycling: coatings resist UV breakdown and temperature-swing fatigue, slowing fading and surface degradation.
Moss / algae resistance: smooth coated surfaceWet shade, organic growth: low-porosity metal surface gives moss/algae less to grip, reducing staining and maintenance.
Material: heavy-gauge aluminum roof profiles (Slate / Shake / Shingle / Tile / Standing Seam)All-season structural stability: lightweight, dent-resistant metal system stays stable through large hot-cold swings and severe weather.
Expected lifespan: 50+ yearsLong-term durability across climates: avoids re-roof cycles typical of shorter-life materials, even in high-stress environments.
Warranty: Lifetime-Limited, non-prorated + 50-year transferableLifetime protection + resale value: guarantees long-term material confidence and transfers to future owners.

Available Profiles in Saint Clair, Washington:

Explore all Interlock® metal roofing systems, or see the Guardian lifetime warranty and independent testing reports.

Completed Interlock® metal roofs near Saint Clair, WA

Every marker is a real, anonymized Interlock® aluminum roof completed by an Interlock Installer. Explore verified Interlock® installations near Saint Clair, Washington, United States on the interactive project map and photo grid — filter by roof profile (Slate, Cedar Shingle, Shake, Mediterranean Tile, Standing Seam, Solid Copper), colour and year of completion.

4.7 / 5 — from 734 verified customer reviews in Washington

What our customers are saying:

★★★★★
Review: March 23, 2017Completion: April 30, 2013

HELLO! I am Gerry from Olympia, Washington. A few years ago, I had my re-roofing done by INTERLOCK ROOFING SYSTEM for my house here in Olympia. I would like to thank the INTERLOCK ROOFING SYSTEM for the best, beautiful metal roof I ever had; the color choice never changed in spite of the weather condition here in Washington. So, if you want your home to deserving a thorough, keen, professional touch, quality, and professionalism, I would highly recommend INTERLOCK LIFETIME ROOFING SYSTEMS for your COMPLETE METAL ROOFING.

★★★★★
Review: October 21, 2021Completion: October 21, 2021

Their workers are very good and very capable. Fewer supply problems. Joe, the scheduler. He does an exceptional job keeping his customers happy and meeting schedules considering supply and covid issues. Always nice and courteous.

★★★★★
Review: June 26, 2024Completion: May 23, 2024

Dear Interlock Roofing, Thank you for coming by and installing a new roof on our house. After we first talked at the Tacoma Home Show in January, both Paul and Ross were fantastic in walking us through the process and explaining the roofing system when we met in February. They answered all our questions, and we were eager to get started. Patrick and Drew took the lead with the installation planning and paperwork, and once the materials were ready in May, Patrick dropped them off at our house. The three-man crew installed everything in three days and ensured any installation questions were answered and done properly. In the end, we love the look and expected longevity of our new roof.

★★★★★
Review: May 10, 2018Completion: May 10, 2018

Everyone I talked with was punctual and professional just way too expensive for me to get ready to sell this place

★★★★★
Review: March 19, 2026Completion: March 19, 2026

The Interlock associate Ivan,came did an awesome service in correcting the part needed to be corrected, he left us with instructions of what we needed to check and to get in touch with, if needed 😀 Ms. May the associate answering the phone was helpful for us to get prompt service. They are dependable. We received roof service.

★★★★★
Review: October 16, 2016

I'm still looking at the extremely high cost of the tile looking roofs.

★★★★★
Review: January 21, 2015Completion: December 2, 2014

Factory to installers communication, shipping, and their materials breakdown was the only problem we really had. The roof was pretty much wide open for about two weeks exposed to the elements. Loan company used, a pain to work with

★★★★★
Review: December 8, 2021Completion: October 14, 2021

They did a very good job! They did a good job. We have had a wind storm and rain, and no leaks.

★★★★★
Review: November 21, 2023Completion: October 23, 2023

By far the best purchase we've made for our home. Patrick and Greg were amazing! Installation was quick and there wasn't any mess left behind. If you have ever thought about getting a metal roof Interlock Roofing is hands down the best!

★★★★☆
Review: October 26, 2022Completion: September 30, 2022

The cost of the roofing was too high. It looks very nice and glad I had it installed. I have one leak, but I haven't called them about it yet.

★★★★☆
Review: February 24, 2015Completion: February 24, 2015

Interlok Reps came across as high-pressured and as if trying to 'pull fast ones'.

Read all Washington metal roofing reviews →

Nearby service areas in Thurston County

Interlock® metal roofing is also installed in these communities near Saint Clair:

Interlock Metal Roofing (PNW) Inc. also services nearby States

Beyond Saint Clair, our team installs Interlock® metal roofing across:

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