Metal Roofing in Blakeslee Junction, Washington — Lifetime Interlock® Aluminum Shingles Installed Locally
Blakeslee Junction Metal Roofing Experts Installing Lifetime Interlock® Aluminum Shingles Since 1997
Metal Roofing Built for Blakeslee Junction'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 in Blakeslee Junction, Washington. Since 1997, we have provided homeowners with premium roof replacement and re-roofing services engineered for the unique weather challenges of the Pacific Northwest. Our heavy-gauge, fire-resistant, and energy-efficient cool roofs are specifically designed to shed snow, withstand heavy rain, and protect against moss and algae—common issues in Blakeslee Junction’s climate. Choose from the timeless beauty of slate, cedar shingles, shake, Mediterranean tile, or standing seam, 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 home stays safe, beautiful, and energy-efficient for decades to come.

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 ~1348 mm of rain a year
Freeze–Thaw Durable
Endures ~45 freeze–thaw days a year
- Authorized Interlock® installer serving homeowners in Blakeslee Junction and throughout Lewis County.
- Precision weatherproof seams (profiles: slate, cedar, shake, tile) and mechanical fastening (profile: standing seam) deliver long-term leak protection during wind-driven rain events.
- Aluminum is Coated with the Alunar® Coating System (no visible aluminum surface) for extended finish life and reduced maintenance in damp local conditions.
- Tested to 193+ km/h (120+ mph) to withstand severe windstorms and gust events that can impact Blakeslee Junction properties.
- Snow‑shedding panel geometry reduces buildup and lowers structural snow‑load stress during inland winter storms around Lewis County.
- Joint details and material selection tolerate repeated freeze–thaw cycles and thermal movement common to Blakeslee Junction roofs.
- Class A fire-rated available to address ember exposure and wildfire‑season risk during dry summer periods in interior western Washington.
- UL 2218 Class 4 impact resistance provides protection from hail, falling branches and storm debris near Blakeslee Junction.
- Energy‑efficient cool‑roof properties reduce heat gain during summer heat events and improve attic comfort for Lewis County homes.
- Solar‑compatible roof surface and attachment strategy simplify installation of bracket‑mounted photovoltaic systems on Blakeslee Junction houses.
- Fully recyclable aluminum reduces lifecycle environmental impact compared with repeated asphalt shingle replacements in the region.
- Wide selection of architectural profiles replicates slate, cedar shake and tile, plus standing‑seam options to match local curb appeal.
- Designed to shed extreme precipitation from atmospheric‑river events that regularly deliver intense rainfall to Blakeslee Junction and surrounding Lewis County.
- Coating and alloy choices resist corrosive marine aerosols carried inland during strong onshore storms, helping mitigate salt‑air effects on low‑lying Blakeslee Junction roofs.
- Finish and panel geometry limit moss retention and simplify routine moss control on the damp, shaded roof surfaces common in Blakeslee Junction.
- Backed by a Lifetime‑Limited transferable warranty to protect long‑term performance and resale value for homeowners in Blakeslee Junction.
Metal roofing built for Blakeslee Junction's climate
Averages (10-yr): ~1348 mm rain and 42 cm snow per year, ~2811 sunshine hours, mean 10.2°C, typical daily-max winds ~14 km/h with gusts to 102 km/h, and ~45 freeze–thaw days per year.
- 42 cmavg. snow / year
- 1348 mmavg. rain / year
- 45freeze–thaw days / year
- 102 km/hpeak wind gusts
- 2811 hrsannual sunshine
- 10.2°Cmean temperature
Interlock® aluminum roofing is engineered for these conditions — wind-rated to 193+ km/h (120 mph), UL 2218 Class 4 impact-rated, Class A fire-rated, and built to shed snow and resist ice dams and freeze–thaw cracking, backed by a lifetime limited warranty.
Interlock Metal Roofing (PNW) Inc.
- 5608 17th Ave NW suite 1574, Seattle, WA 98107, United States
- Phone 206-589-8423
- Local lines Bellevue 425-225-4805 · Bellingham 360-502-4018 · Tacoma 253-352-2725 · Stanwood 206-202-7814 · Vancouver 360-873-5878
- Sales & Marketing [email protected]
- Toll-Free 1-866-733-5811
- Customer Service [email protected]
- www.WashingtonMetalRoofing.com
- License WA #INTERMR75406
- Serving Washington since 1997 — 28 years
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+
Get a Free Metal Roof Estimate in Blakeslee Junction, Washington
Interlock® Aluminum Roofing — all-climates performance specs for Blakeslee Junction, Washington
| Spec / Rating | Climate / 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 4 | Hail and impact debris: highest impact classification; resists cracking, splitting, and surface loss common with asphalt under hail strikes. |
| Snow & ice performance: interlocking, shedding profile | Heavy 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 system | High heat, intense sun, thermal cycling: coatings resist UV breakdown and temperature-swing fatigue, slowing fading and surface degradation. |
| Moss / algae resistance: smooth coated surface | Wet 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+ years | Long-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 transferable | Lifetime protection + resale value: guarantees long-term material confidence and transfers to future owners. |
Available Profiles in Blakeslee Junction, Washington:
Explore all Interlock® metal roofing systems, or see the Guardian lifetime warranty and independent testing reports.
Recent Interlock® roofs across Washington
Completed Interlock® metal roofs near Blakeslee Junction, WA
Every marker is a real, anonymized Interlock® aluminum roof completed by a Certified Interlock Installer. Explore verified Interlock® installations near Blakeslee Junction, 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.
Open Blakeslee Junction on the interactive project map →Browse all Interlock® projects in Washington →See more Interlock® projects →
What our customers are saying:
Wish we had the means to install Interlocking rooinf.
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.
Nearby service areas in Lewis County
Interlock® metal roofing is also installed in these communities near Blakeslee Junction:
Interlock Metal Roofing (PNW) Inc. also services nearby States
Beyond Blakeslee Junction, our team installs Interlock® metal roofing across:
Metal Roofing FAQs for Homeowners in Blakeslee Junction
The following metal roofing FAQs are designed specifically for homeowners in Blakeslee Junction, Washington. Whether you are building a new home or replacing an existing roof, understanding how roofing materials perform in local weather conditions is essential. From wind and storm protection to fire resistance, hail impact, snow loads, and coastal moisture exposure, Interlock’s Lifetime Aluminum Roofing System is engineered to provide long-term durability, energy efficiency, and peace of mind in Blakeslee Junction.
Does metal roofing handle Blakeslee Junction's snow and ice buildup?
Yes. Interlock's four-way interlocking panels shed snow reliably even in your region's 42 cm annual snowfall and 45 freeze-thaw cycles. The smooth aluminum surface prevents ice adhesion better than asphalt, and optional snow guards hold accumulation safely if your roof pitch is very low. Unlike wood shakes that cup and crack from freeze-thaw stress, aluminum's 3105-H24 alloy expands and contracts uniformly without damage. The profile you choose—Slate, Shake, or Standing Seam—all perform identically in winter; aesthetics don't compromise durability here.
Will heavy rain cause leaks in a metal roof in this area?
No. Blakeslee Junction receives about 1,348 mm of rain annually, and Interlock's interlocking design with sealed fasteners is engineered to shed water faster than it falls. The four-way lock prevents water from traveling horizontally across panel edges. Installation over solid deck and underlayment—standard practice by Interlock Metal Roofing (PNW) Inc.—blocks water penetration entirely. Metal roofs actually outperform asphalt in sustained wet weather because they don't absorb moisture or degrade under constant dampness the way organic materials do.
How does a metal roof survive freeze-thaw cycles?
Aluminum panels handle Blakeslee Junction's 45 annual freeze-thaw days without damage because aluminum oxide—the protective layer that forms naturally on the surface—is both waterproof and flexible. When moisture enters microscopic scratches, the oxide self-heals rather than allowing rust to propagate as iron-based metals do. The 3105-H24 alloy maintains its strength through repeated expansion and contraction; it doesn't split, curl, or check like slate, wood shake, or concrete tile. The Alunar 70% PVDF coating adds a second shield against the wet, cold conditions typical of Lewis County.
Can a metal roof rust in Washington's wet climate?
No. Interlock panels are made from 3105-H24 and 3003-H24 roofing-grade aluminum alloy, which contains zero iron—the element required for rust to occur. Instead of rusting, aluminum develops an invisible oxide layer that actively prevents corrosion and self-repairs when scratched. The Alunar fluorocarbon finish is applied to both sides of each panel, offering redundant protection especially valuable in Washington's high-moisture environment with 1,348 mm annual rainfall. Steel roofs require constant maintenance; aluminum never does.
Will my metal roof blow off in Blakeslee Junction's wind gusts?
No. Interlock panels are warranted to resist wind speeds up to 120 mph when installed to specification, well above Lewis County's typical gust patterns averaging 102 km/h (63 mph). The four-way interlocking mechanical connection—not fasteners alone—distributes wind load across adjacent panels so no single attachment point bears the full force. This is why the design carries UL 2218 Class 4 impact rating and passes ICC-ES ESR-1790 evaluation for high-wind regions. Proper installation by your local contractor ensures clips and fasteners work in concert with the locking geometry.
Do I need to reinforce my house to support a metal roof?
No. The Interlock Tile profile—which replicates concrete or clay tile—weighs only 0.59 lb/sq ft, about 96% lighter than the real materials it copies. The Shingle runs 0.41 lb/sq ft and Shake 0.58 lb/sq ft. Existing asphalt roofs typically weigh 1.5 to 3 lb/sq ft, so an Interlock metal roof actually removes dead load from your framing. Most homes install directly over the existing roof with no structural changes. This is especially valuable in older Blakeslee Junction homes where adding weight would require expensive reinforcement, yet Interlock delivers the authentic visual of slate, shake, or tile without structural cost.
How does the total cost of a metal roof compare to asphalt shingles over time?
Metal roofs cost more upfront but end the cycle of replacement and repair. Asphalt typically needs replacement every 15-25 years and frequent maintenance; Interlock is warranted lifetime limited (non-prorated material) for the original owner with a 50-year transferable term for the next owner. In Blakeslee Junction's 1,348 mm rain, 42 cm snow, and 45 freeze-thaw days annually, asphalt degrades faster. Over 50 years, you'll replace asphalt twice or thrice and pay for removal; Interlock stays on one time. Current promotion: no interest until Spring 2027 or 10% off installation. Run the math with your installer—aluminum ends the tear-off-to-landfill expense.
Does a metal roof help lower cooling costs in summer?
Yes. energy-efficient Interlock colors have thermal emissivity of 0.84 and initial solar reflectance up to 0.55—meaning they bounce heat away rather than absorbing it like dark asphalt. Blakeslee Junction averages 2,811 sunshine hours per year; even in a temperate climate, reducing roof surface temperature by 30-50°F translates to lower air-conditioning load in warm months. Metal roofs are Cool Roof Rating Council rated, so heat reflected rather than absorbed reduces your cooling load. The benefit compounds if you install energy-efficiency colors; check your utility's cool-roof rebate program to offset part of the installation cost.
Who installs Interlock metal roofing in Blakeslee Junction?
Interlock Metal Roofing (PNW) Inc. has served the region since 1997 and specializes in Interlock systems across Lewis County and surrounding areas. They understand local snow loads, wind patterns, and the specific freeze-thaw stress typical of Blakeslee Junction's 45 annual cycles. Your installer handles everything from site assessment through final inspection, ensuring the ICC-ES ESR-1790 installation meets code. Current promotion runs through Spring 2027: choose no payments and no interest, or take 10% off installation. Contact them directly for a site visit and warranty details specific to your home.
Is aluminum roofing better for the environment than asphalt?
Yes. Interlock panels are approximately 95% recyclable at end of life, whereas asphalt shingles—tens of thousands of tons yearly—end up in landfills because the asphalt-fiberglass matrix resists decomposition. Blakeslee Junction's asphalt roofs are typically replaced every 15-25 years, generating repeated waste. Interlock's lifetime warranty eliminates the tear-off cycle entirely. Even the aluminum scrap from manufacturing is recycled. Choosing metal stops the asphalt disposal burden and closes the loop: old panels can return to the aluminum supply chain. CALGreen verification confirms Interlock qualifies as reduced-maintenance roofing, lowering long-term environmental cost.
Is a metal roof a good choice for Blakeslee Junction’s climate?
Yes. Blakeslee Junction averages about 42 cm of snow, 1348 mm of rain, roughly 45 freeze–thaw days a year, with peak wind gusts near 102 km/h. Interlock® aluminum roofing is wind-rated to 193+ km/h (120 mph), UL 2218 Class 4 impact-rated and Class A fire-rated, and its four-way interlocking panels shed snow and resist ice dams and freeze–thaw cracking — all backed by a lifetime limited, transferable warranty.













