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THE INTERLOCK COLLECTION

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

Swofford 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 Swofford's Heavy Rain, Snow Loads, Windstorms & Lifetime Protection

Interlock Metal Roofing (PNW) Inc. is Swofford, 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. Swofford’s heavy rainfall, winter snow, and seasonal temperature swings demand a roof engineered for superior protection—our heavy-gauge, fire-resistant, and energy-efficient cool roofs are designed to shed snow, resist moss, and withstand wind and hail. Choose from slate, cedar shingles, shake, Mediterranean tile, or standing seam profiles for timeless curb appeal with the proven strength of metal. Every Interlock roof is protected by the advanced Alunar® Coating System and backed by a Lifetime Warranty, ensuring your Swofford home stays safe, beautiful, and energy-efficient for decades. For roof replacement or re-roofing, trust Interlock Metal Roofing (PNW) Inc.—the best choice for lasting protection in Swofford, Washington.

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

Performance you can measure (all climates)

Weather Resistant

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

Durable

Lifetime-Limited, transferable warranty

Snow-Shedding

Built for ~253 cm of snow a year

Rain & Moisture Proof

Repels ~1759 mm of rain a year

Energy Efficient

Reflective cool-roof lowers cooling costs

Impact Resistant

UL 2218 Class 4 — top hail rating

  • Authorized Interlock® installer serving Swofford homeowners and central Lewis County properties
  • Aluminum is Coated with the Alunar® Coating System (no visible aluminum surface) for extended corrosion resistance
  • Precision weatherproof seams (profiles: slate, cedar, shake, tile) and mechanical fastening (profile: standing seam) deliver long-term leak protection during wind-driven rain events
  • Designed for Swofford’s heavy rainfall and atmospheric‑river episodes to maintain watertight performance during prolonged wet periods
  • Tested to 120+ mph (193+ km/h) to resist severe windstorms that pass through Lewis County valleys and ridge gaps
  • Corrosion-resistant finish tailored for the damp, forested environment typical around Swofford and nearby reservoir shorelines
  • While Swofford is inland, the Alunar® coating also offers proven resistance to coastal salt‑air corrosion for Lewis County homes closer to marine exposure
  • Smooth, coated panels reduce moss and organic buildup on shaded, moisture‑prone roofs common in Swofford neighborhoods
  • Snow‑shedding panel geometry reduces accumulation and helps prevent ice dams during Swofford-area freeze–thaw cycles and occasional snowloads
  • Built to tolerate rapid seasonal transitions and persistent rooftop moisture from Lewis County’s cool, damp winters
  • Class A fire-rated available for added protection during elevated ember and wildfire‑risk periods in Lewis County’s forested zones
  • UL 2218 Class 4 impact resistance for defense against hail, falling branches, and storm debris in wooded Swofford settings
  • Energy‑efficient cool‑roof performance reduces summer heat gain and improves attic comfort during inland heat events affecting Swofford homes
  • Solar‑compatible system engineered for modern bracket‑mounted photovoltaic installations on Swofford residential roofs
  • Low‑maintenance, fully recyclable aluminum roofing backed by a transferable Lifetime‑Limited warranty for long‑term protection and resale value in Swofford

Metal roofing built for Swofford's climate

Averages (10-yr): ~1759 mm rain and 253 cm snow per year, ~2794 sunshine hours, mean 10.2°C, typical daily-max winds ~12 km/h with gusts to 108 km/h, and ~46 freeze–thaw days per year.

  • 253 cmavg. snow / year
  • 1759 mmavg. rain / year
  • 46freeze–thaw days / year
  • 108 km/hpeak wind gusts
  • 2794 hrsannual sunshine
  • 10.2°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 Swofford, 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 Swofford, Washington:

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

Completed Interlock® metal roofs near Swofford, WA

Every marker is a real, anonymized Interlock® aluminum roof completed by an Interlock Installer. Explore verified Interlock® installations near Swofford, 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: June 8, 2019Completion: May 16, 2019

So happy with the descision to put an interlock roof on and a tremendous thank you to all the staff and site employeesVery professional and courteous.

★★★★★
Review: November 8, 2017Completion: November 8, 2017

Wish we had the means to install Interlocking rooinf.

★★★★★
Review: November 15, 2024Completion: September 10, 2024

I can't think of anything that they could've improved on.

Read all Washington metal roofing reviews →

Nearby service areas in Lewis County

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

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

Beyond Swofford, our team installs Interlock® metal roofing across:

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