Seattle, WA Metal Shingle Roof — Efficient Work & Great Team, Beautiful Result (2026)

Seattle, WA

TL;DR: Seattle Review Summary

This roofing installation in Seattle was completed efficiently and well. The homeowner praised the service, people and team and reported a beautiful roof; no original issue was mentioned.
Juan P. and Patricia A.

The work was efficient and well done. The service, the people and team were great. Beautiful roof.

Seattle, WA

Roof Details

Roof Installation Location: Seattle, WA
Roof Installation Year: 2026
Roof Age: n/a
Review Submitted: n/a after completion date
Roof System: Interlock® Slate Metal Roofing
Roof Material: Aluminum
Roof Color: Deep Charcoal
Roof Coating: Alunar® Coating System
Roof Warranty: Lifetime Limited Warranty

Roofing Promotions in Seattle, WA.

Spring Home Protection Event

Save $3,600 on an Interlock® Lifetime Roofing System

Beat the Summer Rush — Financing Available from 9.9%†
*Cannot be combined with any other promotional offers or discounts. Offer valid for this promotion only. Discount cannot be applied to previous purchases. Price discounts depend on the size and location of your home. Minimum 12 Sq. purchase required for discount offered. Must purchase an Interlock Lifetime Roofing System to qualify. Available only at time of purchase. Offer not valid if contract is canceled. Offer does not apply to contract amendments. Offer expires April 30, 2026. Offer only available in Oregon and Washington, United States.

Local Interlock Roofing Company Near Seattle

Interlock Metal Roofing (PNW) Inc.

5608 17th Avenue NW, Suite 1574, Seattle, WA 98107
(206) 202-7814
www.washingtonmetalroofing.com
Interlock Metal Roofing (PNW) Inc. is the official installer of the Interlock® Lifetime Metal Roofing System throughout Washington and the greater Pacific Northwest. Trusted in Western Washington since 1997, we specialize in premium, heavy-gauge aluminum roofing engineered to handle the region’s relentless rain, coastal wind, moss growth, and freeze-thaw cycles — all backed by a Lifetime Limited Warranty and our promise: Never Re-Roof Again.® From Seattle and Tacoma to Bellevue, Bellingham, Stanwood, and Vancouver, WA, our factory-trained crews install five architectural Interlock® profiles — Slate, Cedar Shingle, Shake, Mediterranean Tile, and Standing Seam — each finished with the Alunar® Coating System for long-term color retention, corrosion resistance, and energy efficiency. Every Interlock roof is lightweight, non-combustible, and fully solar compatible, offering homeowners a beautiful, sustainable roof designed to last a lifetime in Washington’s demanding climate.

Top 10 Metal Roofing FAQs for Homeowners in Seattle

Homeowners researching metal roofing in Seattle often have several important questions before replacing their roof. Many people want to understand how metal roofing compares to traditional materials like asphalt shingles in terms of lifespan, durability, cost, and long-term value. Roofing decisions can also be influenced by local weather conditions. Homes in Seattle may experience environmental factors such as rain, wind, snow, heat, fire, or seasonal storms that can impact roof performance over time. The following frequently asked questions help explain what homeowners should know when evaluating metal roofing and why many people choose durable roofing systems designed for long-term protection.

Metal roofs in Seattle commonly last at least 50–75+ years, while asphalt shingles typically have much shorter service lives (often 15–30 years). Seattle’s maritime, mild climate features heavy fall–winter rainfall, persistent coastal moisture and high humidity that promote moss and algae growth and keep roofs damp—conditions that accelerate asphalt wear but are less problematic for metal roofs. Snow loads are generally low, though occasional snow/ice and strong wind events can occur, so homeowners favor durable, low-maintenance systems that resist rot, moss, UV and moisture-driven deterioration. For long‑term protection, many Seattle homeowners choose metal for its corrosion resistance and longevity. Interlock Metal Roofing systems use heavy‑gauge aluminum and include a lifetime limited 50‑year transferable warranty designed for long‑term protection.
In Seattle, a metal roof generally costs more upfront than asphalt shingles. Total price depends on roof size, slope and complexity, the need for tear‑off, flashing, skylights, and labor. Local construction factors — contractor availability, permitting, roof access, and Seattle’s wet, moss‑prone climate — can also influence cost and installation schedule. Many homeowners compare options based on lifetime value rather than initial price: metal roofs typically offer longer service life, lower maintenance, better weather resistance and possible energy savings, which can reduce future repair and replacement costs. When budgeting, consider long‑term expenses (repairs, re‑roofing, disposal) as well as upfront cost. Interlock Metal Roofing focuses on long‑term ownership value — durability, tested details, and reduced lifecycle costs — rather than competing as a lowest‑price roofing option.
Metal vs asphalt in Seattle: metal typically lasts 40–70+ years vs asphalt shingles 15–30 years (depending on quality). Metal needs less routine upkeep—periodic inspections and gutter clearing—while shingles require more frequent replacement, moss removal, and patching. Durability: metal resists rot, moss, and many wind events better; shingles are more vulnerable to moisture-driven decay and granule loss. Long-term value: higher upfront cost for metal often pays off through longer service life and lower replacement frequency. Seattle’s persistent rainfall and high humidity make moisture resistance and moss resistance especially important for roof choice. Homeowners who prioritize durability and long-term protection often choose metal; those on tighter budgets or planning to sell soon may prefer shingles. Interlock Metal Roofing systems appeal in Seattle because they combine long service life, strong moisture and moss resistance, and clean architectural curb appeal.
This is a common myth: metal roofs are noisy in rain. Modern residential metal roofs installed over solid decking and proper underlayment do not sound like barn roofs. Sound depends on insulation, attic space, and the overall roof assembly—insulation, airspace, and underlayment dampen impact noise. Installation quality matters: fastener type, attachment method, and continuous solid decking reduce vibration and rattle. Properly installed residential metal roofs are typically similar in sound to other roofing materials during rain. Interlock Metal Roofing systems are installed as complete roofing systems designed for residential homes, incorporating decking, underlayment, insulation, and fastening details to minimize noise and provide a quieter, durable roof.
In Seattle’s cool, maritime climate a metal roof can be energy efficient because its reflective surfaces reduce solar heat gain on sunny days, lowering attic temperatures and easing cooling demand. Overall performance, however, depends on the whole roof assembly: proper insulation, a ventilated attic, air sealing, and underlayment all influence how much energy you actually save. Because Seattle has mild summers and frequent cloud cover, solar reflectance yields moderate gains most of the year but can be valuable during heat waves. Homeowners researching roof replacement often prioritize energy efficiency to cut utility bills, improve year‑round comfort, extend HVAC life, and increase resale value. Interlock Metal Roofing systems are designed to support long-term home performance.
How does metal roofing perform in Seattle’s severe weather? Seattle’s frequent heavy rain, periodic high winds and occasional hail can loosen roofing materials, displace flashing and cause impact or water intrusion if not addressed. Fall and winter storms with strong gusts and persistent moisture are common, accelerating wear and encouraging moss or granule loss. Properly designed and installed metal roofs—especially standing‑seam or interlocking systems—shed heavy rain, resist wind uplift and offer strong hail impact protection. Performance depends on roofing system design, installation quality and material durability. Homeowners prioritize weather resilience to protect structure and contents, reduce maintenance and insurance claims, and extend roof life. Interlock Metal Roofing systems are engineered for durability, hail protection and wind resistance; achieving those benefits requires correct specification and professional installation.
How does corrosion and rust resistance affect metal roofing in Seattle, WA? Metal roofing performance depends on the type of metal used. Steels can corrode without proper coatings, while aluminum, copper, and stainless steel offer greater natural resistance. Some materials are more resistant to corrosion due to their alloy composition and protective finishes. Aluminum performs particularly well in wet or coastal environments like Seattle because it forms a stable oxide layer that limits rust and pitting. Homeowners should consider corrosion resistance to ensure long-term durability, lower maintenance, and to protect structural components and interior spaces from leaks and staining. Interlock Metal Roofing systems use aluminum construction designed for strong corrosion resistance, making them a practical choice for Seattle’s moist climate.
Metal roofing in Seattle is generally low-maintenance but not maintenance-free. Homeowners should perform periodic inspections—after heavy storms, seasonal debris, or winter melt—to catch issues early. Remove leaves, needles and branches from the roof and gutters to prevent water backup and corrosion. Check flashing, fasteners, sealants and roof-to-penetration areas (vents, chimneys, skylights) for looseness, gaps, or wear. Heavy wind, falling branches, moss/organic buildup, and salt air near Puget Sound can increase wear and should prompt more frequent checks. Overall, metal roofs are durable and resist rot and many common problems, making them a long-lasting, low-maintenance choice for Seattle’s wet, variable climate.
In Seattle’s rainy climate, metal roofing can increase home value because buyers prioritize durable, low‑maintenance roofs that resist moisture and wear. Premium roofing materials often boost curb appeal, helping homes stand out in competitive Seattle neighborhoods. A long lifespan reduces future repair concerns and improves buyer confidence at sale time. Architectural style matters too — a modern standing seam may suit Capitol Hill or South Lake Union, while historically minded neighborhoods may prefer slate or cedar looks. Interlock Metal Roofing systems offer multiple architectural profiles such as slate, cedar shingle, Mediterranean tile, shake, and standing seam, available in heavy gauge aluminum and solid copper, providing design flexibility along with longevity and low maintenance.
Yes — Interlock Metal Roofing Systems are compatible with solar panels when custom solar brackets are installed by Interlock Metal Roofing (PNW) Inc. In Seattle, persistent rain and coastal humidity promote moss/algae and accelerate roof wear, and seasonal wind storms can affect mount stability, so roof lifespan is critical for added solar investments. Long‑lasting materials are often preferred for solar because they reduce the need to remove panels for reroofing; Interlock systems are solar compatible and designed to support solar mounting solutions. Plan for future solar when replacing your roof so mounts can be integrated and roof life aligns with the PV system.

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Interlock Metal Roof Review in Sudbury, ON (Installed 2022)

Review: April 30, 2026

Completion: March 31, 2022

I attended the Sudbury home show on April 25th and had chance to meet Bruce Mehuys with interlock roofing. I purchased a home 2 years ago and had an interlock metal roof. The quality and workmanship was second to none. Bruce was very informative and knowledgeable. I would recommend them to anyone.

Ray L.

Sudbury, ON

Edmonton, AB Interlock Metal Roofing Review (Installed 2014)

Review: April 27, 2026

Completion: July 14, 2014

I’ve had my interlock roof for 14 yrs and have had no issues with it until this last winter. We had heavier than normal snow and a lot of freeze thaw conditions. Several of the snow deflectors were pushed forward and lifted some of the roof. I emailed Dave and Tyler and repairs were made quickly . You can’t tell there was any concerns at all.

Robert B.

Edmonton, AB

Metal Roofing Review in Edmonton, AB — Interlock & Yorman (2026)

Review: April 25, 2026

Completion: April 21, 2026

Yorman and his crew were very pleasant to deal with. There were no issues—just great communication and professional workmanship throughout the project. The crew cleaned up the job site at the end of each workday.

I would recommend Interlock to anyone looking to add value to their property.

Roxy Z.

Edmonton, AB

Metal Shingle Roof Review in Sudbury, ON (Interlock - Installed 2017)

Review: April 25, 2026

Completion: June 7, 2018

We had our roof replaced in 2017 with an aluminum roof by Interlock Metal Roofing. We live on the lake, and prior to the replacement, we were spending thousands of dollars every year because shingles would fly off in the wind.

We haven’t had any issues in the past 7 years. Our experience with Interlock Metal Roofing was excellent — they were very professional and did a beautiful job, even though our roof is quite high and challenging.

Our roof still looks beautiful, and we haven’t had to worry about it at all in the past 9 years.

Beena M.

Sudbury, ON

Corvallis, OR Metal Shingle Roof Review — Interlock (Installed 2017)

Review: April 24, 2026

Completion: November 9, 2017

I love my Interlock roof! No more climbing up to clean it, and no more gritty debris falling into my garden after a few years. It looks fantastic and performs exactly as it should.

The installers were excellent—knowledgeable, detail-oriented, and personable. Ivan is a gem! He handled a small flashing addition efficiently and cleaned the entire roof with a blower in no time.

After almost ten years, it’s still the only roof I would choose.

Sue T.

Corvallis, OR

Interlock Metal Roof Review - Ramara, ON (Installed 2019)

Review: April 23, 2026

Completion: April 23, 2026

We are so happy with our interlock roof from Bruce. We had shopped around because we live on the lake with strong winds and we wanted a quality, long lasting product. Our roof has never changed colour and looks just as good now as the day it was installed. We also love the lifetime transferable warranty. We also love that it is made in Canada so there are no tariffs. Bruce was our sales person. He came right away, explained everything to us. We made the right decision not choosing shingles because of the environment and quality of the product. This was an affordable investment that was worth it. The crew was professional in every aspect. If I move, I will definitely be contacting Bruce again for another interlock roof.

Rhonda S.

Ramara, ON

Portland, OR Metal Shingles Review — Safety Anchors Installed 2019

Review: April 20, 2026

Completion: June 20, 2019

We’ve had our roof for about 7 years and have been very pleased with it. Recently, I scheduled gutter cleaning which was complicated by a run of wet weather which makes the roof very slippery. The gutter contractor asked if we had ever considered installing safety anchors. I didn’t know there was such a thing. I called Interlock and Ivan came by to take a look. He quickly determined appropriate locations for the anchors that the gutter cleaners could clip their safety harnesses to and showed me an example of the anchor itself. He also offered to paint them black to make them more inconspicuous on our dark roof. He returned about a week later for the install and afterwards showed us pictures of the anchors from the roof and pointed them out from the ground. Overall very professional, prompt, excellent service.

Rich K.

Portland, OR

Portland, OR Metal Roofing Review — Interlock Safety Anchors Installed (2019)

Review: April 20, 2026

Completion: June 20, 2019

We’ve had our roof for about 7 years and have been very pleased with it. Recently, I scheduled gutter cleaning which was complicated by a run of wet weather which makes the roof very slippery. The gutter contractor asked if we had ever considered installing safety anchors. I didn’t know there was such a thing. I called Interlock and Ivan came by to take a look. He quickly determined appropriate locations for the anchors that the gutter cleaners could clip their safety harnesses to and showed me an example of the anchor itself. He also offered to paint them black to make them more inconspicuous on our dark roof. He returned about a week later for the install and afterwards showed us pictures of the anchors from the roof and pointed them out from the ground. Overall very professional, prompt, excellent service.

Rich K.

Portland, OR

Interlock Metal Shingle Roof Review in Bay View, WI (Installed 2009)

Review: April 16, 2026

Completion: February 20, 2009

I had Interlock put on a beautiful red slate roof 17 years ago.The roof still looks beautiful. 5 years ago, I had them also re-roof my garage with the same type of slate. The roofs look gorgeous and I have no maintenance whatsoever.I get complements all the time. The guy whom I contracted with was named "Tim' but has since died. He was a really nice guy. Back in 2009, the roof was much cheaper. ( I actually paid more for the garage 5 years ago!) I am extremely happy with the roofs. The guys did a wonderful job, replacing rotted boards where necessary. They also told me about very cheap gutters I could buy at Menards instead of those ridiculously - priced "special" gutter systems. I bought them and they placed them on my buildings.This home will go to my daughter one day; I do not want her to have to lift a finger. Note that I had an asphalt roof previously. It lasted only 12 years. The shingles curled up under the sun and cracked. They looked terrible. I can honestly say that these metals roofs by Interlock are very much worth what you pay for them. They will last a lifetime with almost no maintenance. Instead of replacing a roof every 15 years and paying lots for asphalt or fiberglass, their metal roofs last very long and you will never have to re- roof again.

Vera P.

Bay View, WI

Interlock Metal Roofing Review in Saint Paul, AB — 50-Year Warranty (Installed 2025)

Review: April 15, 2026

Completion: August 31, 2025

We recently installed a new Interlock Roofing System, and we couldn’t be happier with the decision. Knowing it’s backed by a limited lifetime, non-prorated, fully transferable 50-year warranty gives us real peace of mind—it truly feels like a smart long-term investment. Mr. Yorman and his crew were outstanding from start to finish. Their commitment to customer service is second to none. They showed up exactly when they said they would and worked diligently until the job was completed. The finished product looks fantastic, and the cleanup was so thorough that our property actually looked better than before they arrived. A special mention to Tyler, who did an excellent job walking us through the benefits and helping us feel confident in choosing this system. Overall, a great experience and highly recommended!

Denis D.

Saint Paul, AB

Interlock Metal Shingle Roof & Snow Guards Review — Owen Sound, ON (Installed 2017)

Review: April 14, 2026

Completion: August 10, 2018

We installed an Interlock roof in 2017. The roof is still like new. Due to an insulation issue and snow depth of over 4 feet, we had an ice build up problem. Ken, Greg and Cheri provided consultation and prompt service in addressing the addition of snow guards. Their knowledgable and friendly service was greatly appreciated. We highly recommend both the product and the team.

Joan H.

Owen Sound, ON

Interlock Metal Roof Review - Burnaby, BC Metal Roofing (Installed 2024)

Review: April 14, 2026

Completion: June 30, 2025

I recently had my 25 year old asphalt roof replaced with an Interlock Metal roof. I'm so very happy with my decision. In fact, best decision ever to have Interlock Industries install. The metal roof is manufactured in Delta, BC and they have their own installers. It's not panels! It looks very much like a cedar roof! Colour is awesome as well! My home is located in Victoria on Vancouver Island and looks great with my new roof! Interlock is a very professional business from contract signing to installation. Amazing crew that gets the job done in a timely manner. My roof looks fabulous. It's a work of art!!

Karen K.

Burnaby, BC

Aurora, ON Metal Roofing Review — Interlock Installation (2016)

Review: April 13, 2026

Completion: May 3, 2016

We moved into our new house in 1984. Our new house came with new 25 year shingles. In 2004, 20 years later we noticed that our roof shingles needed to be redone. Now, back in 1984 they used asbestos in the roof shingles and although at the time they said they were 25 year shingles, we were still happy to get 20 years out of them. So, in 2004 we got a quote and had the roof re-shingled. We paid extra for the 25 year shingles as we had such a good result with the original shingles. In 2016 (i.e. 12 years later) my neighbour told us that our shingles on the south side of the house were cracked with rolled up edges and needed to be replaced. (We can't see the south roof of our house unless we are visiting the neighbours.) The shingles on the north side were still ok, but since you can't really shingle half a roof we knew that we had to have the whole roof done...after just 12 years. We were a little upset about this and decided to go to the National Home Show in Toronto to look at alternatives. We met Tom Watson at the Interlock Metal Roofing booth and he took a lot of time and explained the complete roofing system to us. We liked what we saw and what was explained to us and we arranged to have a home visit from Interlock and to give us a quote. The metal roof was certainly a lot more expensive than a regular asphalt shingle roof, but we decided to get the metal roof anyways because we did not want the hassle of having to re-shingle every 10 or 11 years...and there are also some other unforeseen benefits detailed below that we did not know about at the time. The metal roof comes with a Lifetime Limited Warranty, 50 year transferable, not prorated so even though more expensive it adds value to lyour home because if in the future you are looking to sell, the buyer knows he won't have any roof problems for the 50 year life of the roof. Your roof becomes an asset instead of a liability. The installation happened over 4-5 days. I paid a lot of attention to what they were doing and how they were doing it. The roof vents were removed. These are the same roof vents that raccoons like to rip off for access to your attic, so that potential problem went away. A ridge vent (google it) was installed on the top of the roof and it is low profile and fits in so you would not know that it is there. Raccoons have been known to chew a hole in asphalt shingles and roofing plywood to get into your attic. With a metal roof, it isn't happening. That mode of access is eliminated. Now, with our previous asphalt shingles we had constant problems with raccoons pooping on our roof (sound familiar?) and for some reason, at least for the last 10 years that we have had the metal roof, that has not happened. I don't know why, but I can speculate that the raccoons find the metal roof very slippery and they are not comfortable being up there and doing their business while trying not to slide off the roof. Also, in the past we have had squirrels occasionally make their way through, under, beside our asphalt shingles and get into our attic. That will never happen with a metal roof because the whole roof is sealed and northing is getting that way. If you are concerned about high winds ripping off your shingles you don't have to worry with a metal roof. Each and every metal shingle is fastened to the roof with aluminum screws (note the metal roof shingles are painted and baked to a tough finish) and they are interlocked with each other, so you may lose your entire roof in a hurricane, but the metal shingles will still be attached to it. We moved into our new house in 1984. After about 2 years of sweating through humid summers, we installed an A/C system. Our new A/C system worked ok in that it removed the humidity and cooled the house, but with the high 37 deg C temperatures it was struggling. The A/C would run continuously and never stopped on those hot days, but once the metal roof was installed it cycled on and off as designed. We highly recommend Interlock Metal Roofing.

Dan S.

Aurora, ON

Willowbrook, IL Metal Roof Review — Interlock Roofing (Installed 2016)

Review: April 12, 2026

Completion: May 30, 2016

We had our roofed replaced by Interlock Roofing in 2016. One of the best decisions we’ve ever made! Our roof looks like slate shingles but is entirely metal. We e received many compliments on it over the years Recently we had a lot of strong wind and hailstorms and our representative, John Mondeshean, checked in with us to see if we sustained any roof damage. He came out and inspected our roof for us within a day or two. Luckily we didn’t have any damage. I’ve been impressed by this company and their product from day one. John is the consummate professional. Our roof is now 10 years old and I still say it was the best investment! Highly recommend!

Margot M.

Willowbrook, IL

Metal Shingle Roof Review in Anchorage, AK (Installed 2013)

Review: April 11, 2026

Completion: August 27, 2013

We have had this roof for about 17 years. We got hurricane strength winds and there has been no problems with the roof. We had 3 conventional shingle roof before and they had delaminated and blown in to other neighbors yards. Worth the money in our opinion.

Michelle W.

Anchorage, AK

Interlock Aluminum Roof Review in Dexter, OR (Installed 2019)

Review: April 9, 2026

Completion: July 19, 2019

I love my Interlock roof. It was installed about 7 years ago. Recently had indication that a little roof leak was occurring and I called Interlock up. Customer service was excellent and they promptly got a technician out to see what the issue was. Ivan was efficient and knowledgeable and identified the issue and fixed it quickly. He checked over the entire roof to make sure there were no other issues. I’m very happy with the product and the service.

Korenza J.

Dexter, OR

Aluminum Roofing Review in Battleground, WA (Installed 2026)

Review: April 7, 2026

My wife and I wanted a long-term roof and I think we found it. The product seems very good and are installer Daniel was terrific and a trooper put a lot of hours and a lot of time and made it look real nice when it was completed. I would recommend the company if you're looking for a metal roof.

Jon M.

Battleground, WA

Interlock Metal Shingle Roof Review — Bruce Peninsula, ON (Installed 2021)

Review: April 5, 2026

Great catching up with Bruce Mehuys at the Spring Cottage Life Show last week in Toronto. We got our new Interlock roof in 2021 and it has seen some extreme weather over the last several seasons. Bruce has stayed in touch ever since we first spoke to him about replacing our roof and we are extremely pleased we the product and performance of our roof.

Peter N.

Bruce Peninsula, ON

Last modified: April 29, 2026 6:59 am
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