Aerial view of a multi-story apartment building with white synthetic roofing underlayment being installed along the roof ridge

Commercial Roof Replacement in Denver, CO

Re-roofs on Denver's older blocks and converted buildings. For Semper Fi Roofing the hard part is rarely the roof. It's getting a tear-off in and out of a building with nowhere to put anything. And it's the city's paperwork, settled before we promise a start date.

A Tear-Off With No Parking Lot

A Tear-Off With No Parking Lot

A tear-off has to land somewhere. A lot of Denver buildings have no parking lot to put it on.

The block is built to the sidewalk. The only way in is the street or the alley behind. That's the difference between a re-roof here and one on a building with its own parking.

Anything sitting in a public street or alley needs the city's own permission first. Alleys count, which catches people out. We put that paperwork in the plan from the beginning, not on the morning the container arrives.

Here's what it changes about your job:

  • The container goes where the city allows, for an agreed stretch of time rather than however long the job runs.
  • A crane or a lift needs the street closed for a window, and that window gets booked.
  • Material comes up in loads that fit the space, which changes how we sequence the days.
  • Deliveries dodge the hours your block is busiest..

None of it is unusual. We just have to work it out before promising a start date. A date built without it is a date that moves.

What a Converted Building Turns Up

What a Converted Building Turns Up

Around RiNo and Five Points a lot of commercial roofs sit on buildings that were something else first. A warehouse turned into offices. A storefront block with apartments over it.

The roof on top may be twenty years old. What holds it up is often the original structure, and nobody has the drawings for it.

So a tear-off here turns up things a newer building doesn't. Old plank decking with gaps in it. Patched areas from a repair somebody made in the eighties. Insulation that stops and starts because the roof was done in pieces over the years.

That's not a reason to be nervous about the job. It's a reason to price it honestly. We put deck repair in the estimate as a set rate against an assumed quantity. Then we tell you what happens if the real quantity comes in higher. A bid that stays silent on it isn't cheaper. It's just quieter about the same risk.

Nearby Service Areas

We take commercial work across the metro.

Our Process

  • We open the roof in a few places before the work starts, which gets most of what's underneath onto paper in advance.
  • We work out how a tear-off gets in and out and book whatever the city has to agree to, before we promise a start date.
  • We put the scope in writing, with deck repair priced as a set rate rather than left silent.
  • We take the roof off in sections, and occupied space directly underneath moves to the front of the planning.

Small commercial roofs move through it quickly. Larger buildings don't get that fast route. The review sits at the front of the schedule, and we build the start date behind it.

There's a second thing worth knowing early. Past a certain building size, Denver expects a re-roof to do more than put a like-for-like surface back on. That decision belongs in the specification, months before anyone orders material. We'll tell you which side of that line your building falls on at the roof walk.

Once the permit is ours, the inspections are ours to call as well. You won't be chasing the city between trades. We are licensed and insured. Everyone who comes to your building has had a background check, on every job.

Other Commercial Roofing Services in Denver

  • Commercial Roof Repair

    When the leak traces to one place and the roof still tests dry.
    Learn more
  • Commercial Roof Maintenance

    A damage report in the spring and another in the fall once the new roof is on.
    Learn more
  • Commercial Roofing

    Everything we do on flat and low slope buildings.

What Building Owners Say

  • Issifu HarunaIssifu Haruna

    He was very honest with me.

    September 2026

  • Adam MaykaAdam Mayka

    Josh with Semper Fi came to look at my roof after the most recent hail storm and couldn’t have been nicer. He was honest, thorough, and explained everything about the inspection process in great detail. His attention to detail and communication made it a very comfortable experience. Albeit we don’t need a new roof, when that time does come I will be using Semper Fi and I will recommend them to all of my friends and neighbors

    August 2026

  • Melissa JonesMelissa Jones

    We had some hail damage to our roof recently. Josh with Semper Fi Restoration came to the house, he was very knowledgeable and trustworthy. During the inspection he showed us our roof with a drone. Pretty cool. Very professional and courteous with very fair pricing.

    August 2026

  • M JonesM Jones

    Josh was great! Very straightforward and amazing! Got down to business and took care of issues we had with roof. I’ll be more than happy to recommend you guys to anyone. Thanks again Josh!

    August 2026

  • Jan ClevelandJan Cleveland

    We had a small job - just adding gutter covers. Semper Fi was the BEST. Arrived on time, cleaned out the gutters, installed the gutter covers in record time. Very professional. This company is a class act!

    August 2026

  • Todd ReynoldsTodd Reynolds

    Was very responsive. I was able to get what was needed in regards to our roof inspections on three houses quickly. And worked with our insurance agent getting the right information needed for our insurance needs. If you’re looking for someone that knows roofs and you need inspections or confirmations regarding your roof. Highly would recommend recommend this company

    August 2026

  • Zilvinas SutkusZilvinas Sutkus

    We had Semper Fi Restoration Inc. complete the roof on our 10,000 sq. ft. commercial building, and we had a great experience from start to finish. We had the opportunity to meet Joshua Bosley and worked mainly with Leo, our project manager. Leo’s communication throughout the entire project was top-notch. As with any large commercial roofing project, we ran into a few unexpected snags along the way, but the Semper Fi team stepped up and took care of every issue with no questions asked. They stood behind their work, kept us informed, and made sure everything was handled properly. It’s refreshing to work with a company that takes responsibility and follows through on what they promise. We are very happy with the finished roof and would definitely recommend Semper Fi Restoration Inc. to anyone looking for a dependable and professional roofing company. Thank you to Joshua, Leo, and the entire Semper Fi team for a job well done!

    August 2026

  • Robert LeiningerRobert Leininger

    Highly recommend Semper Fi. Bosley was great and easy to work with. Had a small project and they were able to get to and finish within a couple of days. The job was done right and professional and I’m vey happy with the price.

    July 2026

  • Marlena AntrimMarlena Antrim

    Josh Slankard with Semper Fi Restoration who orchestrated the entire roofing replacement and Paint Denver who made my 20 year old home look better than it ever did I send my heart felt thanks for you. I would recommend this company with 5 stars!

    July 2026

  • Michael MolinaMichael Molina

    There are a lot of Roofing Contractors out there so when I was referred Josh and his team by a close friend I knew there must be something different about them. From the first meeting with Josh and Daniel I felt comfortable and at ease. I had a lot of questions and they answered them without hesitation and in extreme detail which I appreciated. They helped me through the entire insurance journey and made sure I was covered before any work was done which helped lift that burden off my shoulders. Also, you will not find a Owner as diligent as Josh when it comes to QA/QC of the work done by his crews making sure the roof/gutters you get are up to HIS standards. I appreciate Josh and Daniel for getting the work done and definitely exceeded all my expectations. I don't usually write reviews but their work deserves some praise, I will definitely be referring them anytime I hear anyone I know is even thinking of getting or needing a new roof.

    July 2026

  • Larry WaltersLarry Walters

    We had a great experience working with Joshua Bosley and Semper Fi Restoration after our home suffered large hail damage. They are honest, trustworthy, professional and knowledgeable. They held subcontractors to their high standards. This has been the best experience we have ever had with a roof replacement and other hail damage repairs. Working with Josh, Kat, and the team was a pleasure. We highly recommend Semper Fi to others! Larry and Darlene W.

    July 2026

  • Pat KelleherPat Kelleher

    Josh and his crew provided exceptional service! He provided an estimate for what we needed, which wasn’t a full roof replacement. Professional, polite and knowledgeable - I highly recommend Semper Fi Restoration and will definitely use them in the future!

    June 2026

  • Zachary KochZachary Koch

    I wanted to take a moment to leave a review for Josh and his team at Semper Fi Restoration. Josh came out the same day we called to provide an estimate and inspect our roof, and a member of his team completed the repairs first thing the very next morning. We truly appreciated the quick turnaround, excellent customer service, and quality workmanship in repairing the damage to our roof. The entire process was smooth, professional, and stress-free. I highly recommend Semper Fi Restoration to anyone looking for a reliable and responsive roofing company!

    June 2026

  • Tim BroganTim Brogan

    Fantastic company, worked with the owner to get a hail damage claim on my house for a new roof. I highly recommend them to anyone looking for roofing and exterior services.

    June 2026

  • Lisa SmithLisa Smith

    When my insurance refused to pay for my hail damaged roof, Semper Fi worked with my insurance to successfully get them to pay. They helped me with the entire process and communicated well. They were always available if I had questions. Their crew did a good job. They cleaned up after themselves. I highly recommend this company.

    June 2026

  • Aubrey MoncktonAubrey Monckton

    I had a fantastic experience with Leo at Semper Fi Restoration Inc. He recently completed some roof repairs for me, and I couldn’t be happier with the results. Leo was professional, honest, responsive, and clearly takes pride in his work. He explained everything thoroughly, showed up on time, and made the entire process smooth and stress-free. The quality of the repairs was excellent, and it’s clear he genuinely cares about doing the job right. It’s hard to find contractors you can truly trust, but Leo absolutely earned my confidence. I highly recommend Leo and Semper Fi Restoration Inc. to anyone needing roofing work or repairs. Outstanding service from start to finish!

    May 2026

  • Hegon Henrique MedeirosHegon Henrique Medeiros

    Great company!! Hard to find people with morals nowadays! Highly recommend it

    May 2026

  • Michael KerrMichael Kerr

    Josh Bosley and Semper Fi Restoration recently completed hail damage work on our residence. Josh handled EVERYTHING with our insurance company. The work was completed on time, as promised. Clean-up was great. Josh came back and guaranteed we were happy with everything - including fixing two small areas that we felt needed additional work. He ensured we were 100% happy prior to moving on. He was a great communicator, very patient with us, and made us extremely happy that we chose him and Semper Fi. I rarely leave reviews - but would highly recommend him. Final note, our insurance agent recommended him to us and he was as great as advertised.

    April 2026

  • Chisa MendozaChisa Mendoza

    Willie & Leo were so helpful! They did a wonderful job with our restoration! I would highly recommend their services!

    March 2026

  • Anya CliffordAnya Clifford

    Leo was very helpful with our roof claim!

    March 2026

  • Sharine WebberSharine Webber

    Semper Fi Restoration recently completed installing a new roof and we are so impressed with the service from start to finish. Leo Jett thoroughly explained the whole process and answered all of our questions. He was a huge help with the insurance claims and demonstrated a sincere desire to make sure everything was done professionally and to the highest standards. The crew were hard workers and also demonstrated the same commitment to completing the job right. Leo always followed up with us and made sure we didn't have any concerns or questions. We highly recommend Semper Fi Restoration!!

    February 2026

  • Emilie MitchamEmilie Mitcham

    Leo Jett helped us with a roof repair on a rental. The insurance reimbursement process was a crazy exercise in patience but Leo walked us the whole way through with total mastery and knowledge. He was responsive and super friendly and I cannot recommend him highly enough.

    February 2026

  • Jeff CisnerosJeff Cisneros

    Josh is absolutely amazing, his service and follow-up is thr best I have ever experienced. The thing that really impressed me was his honesty after inspection, he shared that I didn't need a new roof. There are very few companies with that level of honesty. He has earned a customer for life.

    February 2026

  • Eric HollidayEric Holliday

    I've worked with Josh and Semper Fi for years now and he is hands down the best in the industry. Extremely knowledgeable about roofing and insurance. I've seen first hand how he works wit home owners & insurance companies and it's one of his specialties. Def recommend...

    January 2026

  • Judy BJudy B

    Leo Jett was fabulous! He walked me through every step of the process and made this a great experience. His customer service was more than I could have hoped for. After spending 25 years in the HOA business, Semper Fi would be a contractor I would recommend to anyone needing a new roof.

    January 2026

  • Benjamin lairdBenjamin laird

    Semper Fi Roofing does a great job. They know how to work with the insurance company taking care of everything. I would recommend them to all my friends and family

    January 2026

  • JennJenn

    Fantastic company. Owner noticed damage on the roof when he was working on our neighbors house. Gave us visuals of the current roof situation. I recommend this marine owned company and his employees. Awesome team!

    January 2026

  • sukhvir singhsukhvir singh

    Outstanding service from start to finish. Semper Fi Restoration Inc exceeded all expectations with their roofing work. Their professionalism, expertise, and attention to detail were second to none. The team was reliable, efficient, and truly cared about delivering top-quality results. I have nothing but respect for this company and highly recommend them to anyone needing roofing services. Thank you, Semper Fi, for an exceptional experience.

    December 2025

  • MattMatt

    We worked with Josh and his crew to get our badly damaged roof repaired. Josh had no hesitation to get over as soon as he could walk the roof spent hours doing his inspection to make sure everything was covered not one thing was left out. He was very thorough. I am a person that wants to understand everything and he had no hesitation to explain and walk me through every process. I highly recommend Semper Fi Restoration. They are honest and will get the job done right

    December 2025

  • Kristan DeLayKristan DeLay

    They provided great customer service, very responsive and easy to work with. Josh is very knowledgeable and was quick with everything while providing quality service. He assisted with the insurance from beginning to the end. Very smooth process. Roof looks very good!

    December 2025

Commercial Roof Replacement in Denver FAQs

Where does the dumpster go if my building has no lot?

In the street or the alley, and the city has to give permission first. That covers alleys as well as streets. We build the placement and the timing into the plan. On a block like yours it's one of the first things settled.

My building is large. Does the new roof have to include anything extra?

Yes, past a certain size the city asks for more than a matching surface. It's a real budgeting decision with a few routes through it. It belongs at specification stage. You'll hear which side of the line your building sits on at the roof walk. Not after the drawings are done.

The building was a warehouse before. Does that change the job?

It usually does. Older decking, insulation added in patches, equipment that came with the conversion. All of it turns up once the old roof is off. Cuts into the roof get most of it on paper first. We price the rest as a set rate, so a surprise doesn't become an argument.

Can we keep trading while the roof comes off?

Yes. We take the roof off in sections, and occupied space directly underneath moves to the front of the planning. Mixed-use blocks with apartments above a storefront need the sequence handled carefully, and we agree that with you in advance.

What does it cost to have somebody look at the roof?

Nothing. The roof walk and the estimate are free. That holds whether the answer is a full replacement or something smaller. Bring a bid you already have and we'll go through it line by line with you.

Plan Your Denver Re-Roof

Tell us the address and we'll walk the roof. Then work out how a tear-off gets in and out, and price it. Neither the walk nor the estimate costs you anything.