Interlock Industries Metal Roofing Review — Southwest Harbor, ME Barn (Installed 2018)

Southwest Harbor, ME

TL;DR: Southwest Harbor Review Summary

Roofing installation in Southwest Harbor: the homeowner contracted Interlock Industries to install an Interlock roof on their barn and appreciated the in‑person consultation to understand options and product quality. Jennifer provided diligent updates on materials and scheduling, the install team efficiently removed the old roof, installed the new materials and cleaned up (finishing in under 24 hours), and the homeowner received a refund for plywood not needed and reported being delighted with the customer service.
Charles S.

Dear Mike,

I want to thank you and the Interlock Industries team for your attentive collaboration on installing an Interlock roof on my barn. I appreciate your investment in driving to my home to discuss the roof in person. It was critical to my understanding of the options and the quality of your product.

After the contract was agreed to, Jennifer was diligent in keeping me informed of the progress of securing the materials, scheduling the installation, and arranging for the delivery and removal of the dumpster.

The Install team worked efficiently to remove the existing roof materials and install the new ones. They were conscientious in removing waste materials and also cleaning up the materials that fell inside the barn during the nailing of the new roof material. I believe they accomplished their tasks in less than twenty-four hours.

I know now from my own experience why my friends strongly recommended Interlock because they, too, had previously had such a positive experience.

Needless to say, I am delighted today to receive the refund check for the cost of plywood that didn’t need to be installed.

Thank you again for your customer service. Please share my positive comments with Jennifer and the install team.

Southwest Harbor, ME

Roof Details

Roof Installation Location: Southwest Harbor, ME
Roof Installation Year: 2018
Roof Age: 8 years, 1 months, 24 days
Review Submitted: 8 years, 1 months, 24 days after completion date
Roof Material: Aluminum
Roof Color: Deep Charcoal
Roof Warranty: Lifetime Limited Warranty

Roofing Promotions in Southwest Harbor, ME.

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 Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont, United States.

Local Interlock Roofing Company Near Southwest Harbor

Interlock Metal Roofing (New England) Inc.

7- 25 Walpole Park S, Walpole, MA 02081, United States
(207) 605-8290
Interlock Metal Roofing (New England) Inc. is the official and exclusive installer of the Interlock® Lifetime Roofing System across the Northeast. Headquartered in Walpole, Massachusetts, our team has been trusted by New England homeowners since 1999 to deliver premium, worry-free metal roofs built for coastal salt air, heavy snow loads, ice dams, and rapid freeze-thaw cycles. We specialize in heavy-gauge aluminum (and solid copper) Interlock® roofing profiles that replicate the beauty of Slate, Cedar Shingle, Shake, Mediterranean Tile, and Standing Seam — all engineered to last a lifetime with low maintenance and exceptional energy efficiency. Every system is solar-compatible and backed by a Lifetime Limited Warranty, giving homeowners the last roof they’ll ever need. Serving Massachusetts, Connecticut, New Hampshire, Maine, Rhode Island, and Vermont, Interlock Metal Roofing – New England combines factory-trained installation with decades of local experience to protect and elevate homes throughout the region. Our promise is simple: Never Re-Roof Again.®

Top 10 Metal Roofing FAQs for Homeowners in Southwest Harbor

Homeowners researching metal roofing in Southwest Harbor 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 Southwest Harbor 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.

A quality metal roof in Southwest Harbor commonly lasts at least 50–75+ years, while asphalt roofs typically last 15–30 years and need more frequent replacement. Southwest Harbor experiences substantial year‑round precipitation and coastal exposure—roughly 47 inches of rain and about 67 inches of snow per year—which means frequent moisture, heavy snow loads and freeze‑thaw cycles that stress roofing materials and can cause ice dams and accelerated wear. Metal roofs resist corrosion, shed snow, withstand wind and tolerate freeze‑thaw better than asphalt, so homeowners often choose durable systems to reduce maintenance and replacement frequency. Interlock Metal Roofing systems use heavy‑gauge aluminum and carry a lifetime limited 50‑year transferable warranty designed for long‑term protection in coastal Maine conditions.
Metal roofs typically cost more upfront than asphalt shingles, but many Southwest Harbor homeowners evaluate total lifetime value. Installed price varies with roof size, slope, complexity (valleys, skylights), tear‑off, flashing and labor. Local factors matter: coastal salt spray and persistent marine moisture on Mount Desert Island accelerate corrosion and affect material/fastener choices, raising costs for corrosion‑resistant finishes and flashings. Heavy winter snow loads, frequent freeze–thaw cycles and coastal wind gusts also influence panel profile, attachment methods and underlayment—factors that can increase installation labor and materials costs. Durable metal systems reduce future repair and replacement expenses, and Interlock Metal Roofing focuses on long‑term ownership value rather than competing as a low‑cost option.
Southwest Harbor’s coastal setting brings persistent moisture, salt spray and heavy winter precipitation (December is one of the wettest months), and sea-side gusts and storms are common—conditions that drive freeze–thaw cycles and encourage moss in shaded areas. Lifespan: Metal roofs typically last 40–70+ years versus 15–30 years for asphalt. Maintenance: metal needs less routine upkeep and resists moss and salt-related decay; asphalt requires more repairs, shingle replacement and moss control. Durability: metal tolerates wind, snow loads and freeze–thaw better; asphalt is more prone to granule loss, curling and ice-dam issues. Long-term value: higher upfront cost for metal but lower lifecycle costs and longer protection. Homeowners prioritizing durability, low maintenance and long-term protection in a salty, windy coastal town often choose metal. Interlock Metal Roofing systems appeal because their interlocking panels, concealed fasteners and architectural finishes deliver lasting performance and curb appeal.
Are metal roofs noisy when it rains in Southwest Harbor, ME? It’s a common myth. Modern residential metal roofs installed over solid decking do not sound like barn roofs. Sound depends on the roof assembly: insulation, attic space, underlayment, and roof deck all absorb and dampen noise. A well-ventilated attic and proper underlayment reduce rainfall sound to levels comparable with asphalt shingle or tile. Installation quality matters—secure fastenings, continuous decking, and manufacturer-recommended accessories prevent vibration and rattling. Properly installed residential metal roofs are typically similar in sound to other roofing materials. Interlock Metal Roofing systems are installed as complete roofing systems designed for residential homes, with components to control weather, thermal performance, and sound.
In Southwest Harbor, ME, a metal roof can improve energy efficiency because its reflective surface reduces solar heat gain in summer. That benefit depends on the roof assembly—underlayment, insulation levels, and ventilation—which together control heat flow and moisture. In colder months a metal roof’s thermal performance ties to insulation and air-sealing; without proper assembly, gains are limited. Local climate (cool, maritime with seasonal sun, wind, and salt air) affects how much energy is saved and whether reflective coatings or added insulation pay off. Homeowners replacing roofs often weigh energy efficiency to lower heating and cooling costs, enhance comfort, and boost resale value. Interlock Metal Roofing systems are designed to support long-term home performance through durable materials and compatible installation details.
Southwest Harbor is a coastal Maine community exposed to Nor’easters, severe winter storms with heavy snow and ice, strong gusty winds and salt spray, and occasional tropical-storm remnants—hazards that stress roofs. Metal roofing can perform very well: it sheds snow, resists water infiltration, and — when properly specified — offers strong wind uplift and good impact resistance. Actual performance depends on roofing system design (panel style, underlayment, attachment), installation quality (fasteners, flashing, seam work) and material durability (gauge, coating, warranty). Homeowners weigh weather resilience because it reduces leaks, repair costs, insurance risk and improves safety and resale value. Interlock Metal Roofing systems are engineered for durability, hail protection and wind resistance when installed to manufacturer specifications.
Corrosion and rust resistance are crucial for metal roofing in Southwest Harbor, ME because marine air and high humidity accelerate metal deterioration. Performance depends on metal type: steel, galvanized, and copper behave differently—some are more corrosion-resistant than others. Aluminum performs especially well in wet or coastal environments because it naturally forms a protective oxide layer and resists saltwater corrosion. Homeowners should consider corrosion resistance to maximize roof lifespan, reduce maintenance, prevent leaks, and protect property value in coastal climates. Interlock Metal Roofing systems use aluminum construction engineered for strong corrosion resistance and are further protected by the Alunar Coating System for extra defense against moisture and salt spray, offering a durable, low-maintenance choice for Maine’s coastal conditions.
Metal roofing in Southwest Harbor, Maine, is generally a low-maintenance choice thanks to long lifespan and resistance to rot and insects. However, no roof is completely maintenance-free. Homeowners should perform periodic inspections—especially after storms—and check for accumulated debris, clear gutters, and ensure flashing and all roof penetrations (vents, chimneys, skylights) are secure and sealed. Seasonal leaves, salt spray, ice, and wind-driven branches can cause localized damage or block drainage. Promptly removing debris and addressing loose fasteners or damaged seals helps prevent leaks and corrosion. Overall, metal roofs offer durable, low-maintenance protection well suited to Maine’s coastal climate when routine checks and occasional upkeep are performed.
In Southwest Harbor, ME, metal roofing can increase home value because buyers prioritize durable, low‑maintenance roofs that withstand coastal weather. Premium metal materials also enhance curb appeal and can elevate perceived quality, especially in markets where well‑kept exteriors matter. A long service life and strong warranty often improve buyer confidence and can translate to higher offers or faster sales. That said, architectural style and neighborhood character matter—historic or cottage districts may favor certain looks, so choose a profile that fits the street. Interlock Metal Roofing systems offer multiple architectural profiles — slate, cedar shingle, Mediterranean tile, shake, and standing seam — available in heavy‑gauge aluminum and solid copper, letting homeowners match local style while delivering the durability buyers want.
Yes—Interlock Metal Roofing Systems can support solar in Southwest Harbor, ME. Interlock Metal Roofing – New England provides custom solar brackets to mount panels to their interlock profiles. Because Southwest Harbor’s coastal salt spray and high humidity, plus winter snow loads and freeze‑thaw cycles, place extra stress on roofs, choose a durable, long‑life roof before mounting panels. Roof lifespan matters: replacing a short‑lived roof after solar is costly. When comparing materials, favor long‑lasting options (like Interlock’s metal) designed to accept solar mounts; Interlock systems are solar‑compatible and engineered to carry mounting solutions and resist coastal corrosion. Plan for solar during roof replacement so flashing, attachment points, and warranties align with future arrays.

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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.

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Review: April 27, 2026

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Review: April 25, 2026

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Review: April 25, 2026

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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.

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

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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.

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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.

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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.

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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.

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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!!

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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.

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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!

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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.

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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.

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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.

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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 6:58 am
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