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

Corvallis, OR

TL;DR: Corvallis Review Summary

Roofing installation in Corvallis: the homeowner wanted to stop climbing to clean the roof and to prevent gritty debris from falling into their garden. They report the Interlock Metal Roofing looks fabulous, does what it’s supposed to, and installers—especially Ivan—were knowledgeable, attentive to detail, added a small flashing efficiently and quickly cleaned the roof; after almost ten years it’s still the only one they would choose.
Sue T.

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.

Corvallis, OR

Roof Details

Roof Installation Location: Corvallis, OR
Roof Installation Year: 2017
Roof Age: 8 years, 5 months, 19 days
Review Submitted: 8 years, 5 months, 15 days after completion date
Roof System: Interlock® Slate Metal Roofing
Roof Material: Aluminum
Roof Color: Black
Roof Coating: Alunar® Coating System
Roof Warranty: Lifetime Limited Warranty

Roofing Promotions in Corvallis, OR.

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 Corvallis

Interlock Metal Roofing (PNW) Inc.

1355 NW Everett Street, Portland, OR 97209
(503) 966-2948
www.oregonmetalroofing.com
Interlock Metal Roofing (PNW) Inc. is the official installer of the Interlock® Lifetime Roofing System in Oregon and the Pacific Northwest. Based in Portland and serving communities across the Portland Metro, Willamette Valley, Columbia River Gorge, Oregon Coast, and neighboring Washington markets, our team has protected thousands of homes with premium, rust-proof aluminum and solid copper roofing since 1997. We specialize exclusively in Interlock® Lifetime Metal Roofing profiles — Slate, Cedar Shingle, Shake, Mediterranean Tile, and Standing Seam — engineered for the Northwest’s heavy rain, wind, moss growth, and freeze-thaw cycles. Every roof is finished with the Alunar® Coating System for long-term color retention and energy efficiency, and is fully solar compatible. Homeowners choose Interlock Metal Roofing (PNW) Inc. for one reason: worry-free performance that lasts a lifetime. With award-recognized service and fully licensed installation in Oregon and Washington, we deliver the last roof you’ll ever need — backed by a lifetime limited warranty and the promise: Never Re-Roof Again.®

Top 10 Metal Roofing FAQs for Homeowners in Corvallis

Homeowners researching metal roofing in Corvallis 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 Corvallis 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.

Q: How long does a metal roof last in Corvallis? A metal roof in Corvallis commonly lasts at least 50–75+ years; asphalt shingles generally last 15–30 years. Corvallis has a warm‑summer Mediterranean climate with about 42–43 inches of annual rain and cool, wet winters—conditions that encourage persistent humidity and moss/lichen growth on shaded roofs. Snow loads are usually low and freeze–thaw is limited, but the winter moisture and shade can accelerate rot and biological growth that shorten asphalt life. Homeowners choose metal for its resistance to moisture, mold/moss, wind performance, and long service life. Interlock Metal Roofing systems use heavy‑gauge aluminum and include a lifetime limited 50‑year transferable warranty designed for long‑term protection.
Metal roofing in Corvallis typically costs more upfront than asphalt shingles, but total price varies with roof size, pitch, complexity (multiple valleys, skylights), tear‑off, flashing, and labor/permit factors. Corvallis has wet, mild winters with substantial annual precipitation and only light snow, plus fairly high humidity—conditions that promote moss and accelerated wear on some materials, which can make durable metal systems more attractive locally. Many homeowners therefore compare lifetime value (longer service life, fewer repairs, better resistance to moss and rot) rather than initial price alone. Durable metal roofs often reduce future repair and replacement costs, offsetting higher installation expense over time. Interlock Metal Roofing positions its systems for long‑term ownership value and reliability instead of trying to be the lowest‑cost option on the market.
Yes — metal roofing can be worth it in Corvallis, depending on priorities. Corvallis has a warm‑summer Mediterranean climate with mild, wet winters and dry summers, and about 43 in. of rain annually, which promotes long periods of roof wetness and occasional moss growth in shaded areas. Lifespan: metal often exceeds 50 years; architectural asphalt shingles typically last ~20–30 years. Maintenance: metal needs less routine replacement but requires checking fasteners and flashings; shingles need more frequent inspections and eventual full replacement. Durability: metal resists rot, moss, and wind better; shingles are more vulnerable in prolonged wet/high‑humidity conditions. Long‑term value: higher upfront cost for metal but lower lifecycle cost for homeowners prioritizing durability and protection. Homeowners wanting long-term performance, lower maintenance, and architectural curb appeal often choose metal—Interlock Metal Roofing systems are attractive for that market because they combine 50+ year longevity with a finished look.
Noise from rain is a common myth. In Corvallis, with about 43 inches of annual rainfall and high winter humidity that encourages moss growth and persistent dampness. Modern residential metal roofs installed over solid decking don’t sound like barn roofs—decking, underlayment, attic airspace and insulation greatly reduce rain noise. Roof assembly and installation quality matter more than the material. Properly installed metal roofs typically sound similar to asphalt shingle, tile or composite roofs during rain. Interlock Metal Roofing systems are installed as complete residential roofing systems, so when done correctly they offer comparable acoustic performance and strong durability for Corvallis’s wet, humid climate.
Yes — a metal roof can be energy efficient in Corvallis. Metal roofing reflects sunlight, lowering summer heat gain, and cool‑roof coatings can boost that effect. Overall energy performance depends heavily on the roof assembly: continuous insulation, attic ventilation, and air‑sealing determine winter heat loss and summer comfort. Corvallis has wet, overcast winters and warm, dry summers, so reflective roofs offer modest cooling savings while proper insulation and ventilation are more important for reducing winter heat loss in this rainy climate. Annual precipitation is roughly 42–43 inches, which also favors durable, low‑maintenance materials that resist moss and moisture damage. Homeowners consider energy efficiency to lower bills, increase comfort, and boost resale value. Interlock Metal Roofing systems are designed to support long‑term home performance.
Q: How does metal roofing perform in Corvallis severe weather? Metal roofs perform very well here because they shed the region’s heavy, wet winter rains (about 43 in./yr, concentrated Nov–Mar) and dry quickly, reducing rot and leaks—though persistent moisture encourages moss and algae if debris accumulates and gutters are neglected. Corvallis also sees cool winters with occasional freezes and light snow, so freeze–thaw stress can occur on flashings and sealants. Performance in wind, hail or storms depends on system design (profile, fasteners, underlayment), installation quality, and material durability/finish. Homeowners weigh weather resilience to avoid leaks, reduced maintenance, higher insurance or resale issues. Interlock Metal Roofing systems are engineered for durability, hail protection and wind resistance, but benefits only materialize with proper design and installation.
Q: How corrosion‑resistant are metal roofs in Corvallis, OR? A: Metal roofing performance depends on the metal used—some alloys resist corrosion far better than others. Corvallis sees heavy, seasonal rainfall (about 43 in. annually, concentrated in winter), which keeps roofs damp for long periods and encourages moss growth; persistent humidity and shade can aggravate surface corrosion and biological growth. Aluminum performs very well in wet, humid environments because it forms a protective oxide layer; untreated steel can corrode without proper coatings. Homeowners should consider corrosion resistance when comparing materials to avoid staining, leaks, and shortened service life. Interlock Metal Roofing systems use aluminum construction for strong corrosion resistance and are protected by the Alunar Coating System for extra protection.
Metal roofing is a durable, low‑maintenance choice for Corvallis homeowners comparing materials. Corvallis gets wet winters and roughly 40–43 inches of rain annually, so drainage and corrosion resistance matter for roof longevity. High humidity and shaded areas promote moss and algae growth, which can trap moisture against roofing if not managed. No roof is maintenance‑free: inspect your metal roof 1–2 times yearly and after storms, clear debris, keep gutters clean, check flashing, fasteners and penetrations, and remove moss gently. Metal resists rot and is lower upkeep than shingles, but seasonal debris and storm events still affect performance.
If you’re comparing roofing materials in Corvallis, metal roofing can boost home value because buyers prize durable, low‑maintenance roofs that withstand the city’s wet winters—Corvallis averages about 43 inches of rain a year, mostly November–March. Premium metals improve curb appeal and signal quality; their long lifespans lower perceived future costs and increase buyer confidence. Local conditions—persistent moisture and shade that encourage moss growth—make non‑porous, easy‑clean surfaces especially attractive to buyers here. Architectural style matters by neighborhood, so choose a profile that fits your street. Interlock Metal Roofing systems offer multiple architectural profiles (slate, cedar shingle, Mediterranean tile, shake, and standing seam) in heavy‑gauge aluminum and solid copper, giving you both performance and style when comparing options.
Corvallis has a warm‑summer Mediterranean climate with wet, mild winters and roughly 40–50 in. of annual rain—conditions that encourage high roof humidity and moss growth but minimal snow loads. Yes—Interlock Metal Roofing Systems are compatible with solar when fitted with custom solar brackets installed by Interlock Metal Roofing (PNW) Inc. When comparing materials, prioritize roof lifespan: long‑lasting metal roofs reduce future rework under solar arrays and are often preferred for mounting solar. Plan for solar when replacing a roof so mounts and flashing details are integrated. Interlock systems are designed to support solar mounting solutions and, in Corvallis’s damp climate, offer durability and resistance to moss and moisture-related issues.

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Edmonton, AB Interlock Metal Roofing Review (Installed 2014)

April 26, 2026

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)

April 24, 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)

April 24, 2026

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)

April 23, 2026

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)

April 22, 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

April 19, 2026

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)

April 19, 2026

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)

April 15, 2026

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)

April 14, 2026

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)

April 13, 2026

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)

April 13, 2026

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)

April 12, 2026

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)

April 11, 2026

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)

April 10, 2026

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)

April 8, 2026

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)

April 6, 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)

April 4, 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

Interlock Metal Shingle Review - Corbett, OR (Installed 2019)

April 2, 2026

Ivan and I have had many visits over the last 10 years we have had our Interlock roof. He is a rare find. Both knowledgeable and conscientious. My interactions with Ivan and call taker May have been top notch as is Interlock's warranty.

Rex E.

Corbett, OR

Aluminum Shingle Roof Review - Jerseyville, ON (Installed 2010, Warranty Repair)

March 30, 2026

We had a leak in our roof (the interlock roof was installed in 2010. We reported it to Cheri in the office. Ken arrived at the time , and the day that Cheri specified, he repaired the roof within a few hours - no charge due to the lifetime warranty….done. Perfect! We are totally happy

Irene P.

Jerseyville, ON

Last modified: April 27, 2026 12:06 pm
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