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Honolulu Roof Sealers

Browse these roof sealers with great ratings from Thumbtack customers in Honolulu.

  • 27 years in business
  • 20 hires on Thumbtack
Mary F.
Verified review

Dave and his crew were amazing! We were selling our home, and the buyer had hired an inspector who was “concerned” about some granules that had flaked from our roof into the gutter. (We had installed 48 PV panels on our roof, so the workers walking along to do the installation had loosened the granules.) We had another roofer come out to do a repair estimate, and he wanted $8500. Our realtor contacted Dave; he checked out the roof, and did the repairs for 1/10 of what the other guy wanted. You will not find a more honest guy on Oahu! A true professional and a pleasure to work with!

Top Pro
  • 4 years in business
  • 16 hires on Thumbtack
  • Top Pro on Thumbtack
Pamela L.
Verified review

David was very professional, and easy to work with. It was a difficult job, moving our hot tub down a hill and onto the deck. Along with cutting down part of a tree and removing some bamboo. He didn’t quit and kept at it until the job was done. I will be calling again if we need something to be done.

Lansden Construction
from 12 reviews
  • 2 years in business
  • 8 hires on Thumbtack
Malcolm R.
Verified review

This husband and wife duo is the truth!!! Between the both of them, I haven't found anything they can't get done!! From vehicles, to interior paint jobs, landscaping, carpeting, laying tile, roofing, you name it!!!! The best part is, it's all authentic unlike many companies you run acrosss that break this to fix that (y'all know what I mean)..Justin and Cortney are amazing at everything they put their hands to!

CJ's Toolbox
from 8 reviews
  • 4 years in business
  • 14 hires on Thumbtack
Dana H.
Verified review

I hired CJ's Toolbox to powerwash my exterior walls and roof as it was getting covered in moss and mold. They did an amazing job. The whole house looked almost like new! They showed up on time and finished in about 7 hours. They even powerwashed my driveway for free. Only thing I wasn't sure about is they used bleach to kill the mold. But, they assured me that it was diluted with water so it was safe and even moved my plants and things out the way so they weren't damaged. After they were done they put everything back as it had been. Overall great service. Very happy customer here.

  • 2 years in business
  • 1 hire on Thumbtack
Jerry G.
Verified review

We had a storm with high winds and rain and lost quite a few shingles. We called around but everyone was busy. So I called 6k's and although we didn't know the company and he was on a rooftop when I called, Ahtoo came that evening to take a look. He did his assessment and told me he would be in touch. That very night I got the quote in an email from them, the price was not only affordable it was detailed and they were able to fit us in quickly. Needless to say I have had no issues since and we have been through high winds and big rain storms. Roof repair looks great and is still in place. If there was a better rating I would give it, as 6k's, Ahtoo was there at our time of need.

David F.
Verified review

Andrew has been outstanding to work with over the years. He's painted my house twice. Done a number of construction projects (built a beautiful wood fence, tile, stairs, concrete work, storage shed...). And, I have Andrew help me out at my work (Hale Ku'ike). He's about to install a new silicone roof system and a fairly large tile project. Andrew is honest, fair, hard working and skilled. For these reasons I'm happy to give a honest review with my name and company listed. David Fitzgerald

  • 26 years in business
  • 3 hires on Thumbtack
Maryellen M.
Verified review

Reasonable price, and got the job done quickly.

MRC Roofing, LLC
from 3 reviews
  • 31 years in business
  • 8 hires on Thumbtack

MRC Roofing, LLC has been in business since February 1987. We are a locally owned and operated, fully licensed, bonded and insured. We have successfully completed thousands of government, commercial and residential projects. Our reputation here in Hawaii is impeccable; not only do we consistently have an A+ rating with the Better Business Bureau, but we also remain true to the homes and community here in Hawaii. MRC treats each and every customer with respect and professionalism. We take pride in our workmanship, the quality of materials that we use and our expertise. This all adds up to a job that is done right the first time and is backed up with a qualified, written guarantee. We offer the following: * Locally Owned * Locally Sourced Employees * Licensed and Bonded * Insured with General Liability and Workers' Compensation * Excellent Safety Record -- HIOSH and OSHA Compliant * Memeber of the Hawaii Contractor Roofers' Association, National Roofing Contractors Association and the Better Business Bureau

Action Roofing Hawaii LLC
from 2 reviews
  • 13 years in business
Kimmie P.
Verified review

great company great owners great workers

  • 3 hires on Thumbtack

I do construction remodel and repairs of interior and exterior kitchen, baths, doors and windows. I also do painting and drywall.


We've been serving the islands of Hawaii with quality roofs for 20 years. We are a licensed and insured roofing contractor with many references. Call today for your free estimate. All types of roofing done at reasonable rates. License #BC-13813


BEN'S has more than a decade of experience providing high quality residential and commercial renovations remodeling and repair services. We offer state of the art technology, eco-friendly products and equipment, competitive prices, and excellent customer service.


We are a full-service roofing contractor located on Oahu. We also offer decking, coating, and waterproofing. Twenty-four-hour emergency roof repair is available. We service island wide. We have great references available. We are fully licensed, insured, and bonded.


We offer the best in all types roofing and roof framing. We are test installers. We are reasonably priced with the best warranties.


We can do everything when it comes to your home, including roof and wood rot repair, flooring, drywall, kitchen and bathroom remodeling, and cabinets.


M & R Roofing Honolulu, HI 96813 1002 Alakea St M & R Roofing offers professional and affordable roofing services. We provide commercial roofing, residential roofing, cedar shake, metal roofing, and roofing contractor.


Im a young determined roofer that has quite the experience and knowledge of basic of roofing. Accompanied by others like me and more. Honest towards anyone who seems interested in my service.

  • 4 years in business

Hawaii Metal Roofing Supply is the exclusive dealer for Hawaii for Interlock Roofing. We have trained contractors on every island to install our Interlocking Roof panels. These roofs have been tested to withstand even category 3 hurricanes. Best part is they are an Energy Star Partner roof that will help keep your home cooler than most traditional roofing materials.


2nd generation 17 years in business SBA certified 8(a) WOSB


Our mission is to provide Hawaii with roofing services, specializing in advocating on our clients' behalf pertaining to insurance restoration. We offer premier customer service and only the highest quality materials, integrated with unparalleled craftsmanship and abiding by the highest standard building codes in the nation. Simply put, we strive to be the best in our industry.


Specialty completed projects. New products well trained personal.

Q & A

Answers to commonly asked questions from the experts on Thumbtack.

Why do I need to clean my roof?

Over time, algae, moss, lichen, dirt and even salt (if you’re near the ocean) can build up on your roof. These buildups can affect the look and function of your roof unless removed. The buildup of organic materials such as moss on a shingle roof can prevent water from sloughing off as it normally would. Trapped water can rot the roof or cause early deterioration of your shingles. Even if you don’t have a shingle roof, moss and lichen absorb water, and that wet material adds weight and stress to your roof — as well as providing a home for insects and other pests, and collecting dirt. For reflective, cool roofs that redirect heat away from the home, algae and moss growths can hamper their ability to deflect the sun, which can affect utility bills. Visually, moss, dirt and algae growths on a roof can have a negative effect on perceived home value and curb appeal. For example, black algae streaks on your roof may cause a potential homebuyer to assume that the roof might need repair or replacement, when it only needs to be cleaned.

Can a roof be cleaned?

Yes roofs can be cleaned, and yes, it’s a real thing. Roof cleaning may actually be a wise investment to prolong the life of your roof. Overgrowth of moss, grime, lichen or algae can all shorten the life of your roof. If you have black streaks growing on your roof, they are likely caused by gloeocapsa magma algae spores that have landed on your roof and taken up residence. Once the algae has grown into streaks, the organism has usually been growing for several months and it’s high time to have it removed. If you live in a rainy part of the country, such as the Pacific Northwest, there’s a good chance you’ll find moss growing on your roof at some point. The northern part of your roof, as well as any parts that remain shaded all day, will provide a wet, cool haven for moss to flourish. Unfortunately this water-absorbing moss can damage your shingle roof, leading to rot if not removed. Beyond roof health and function, a clean roof can boost your curb appeal and potentially boost your home’s resale value. The national average for roof cleaning costs ranges between $270 and $350, although prices can be higher depending on how large your roof is, how steep your roof is, and what type of cleaning is necessary. Typically pros use either a pressure wash or chemical wash (made with a concentrated bleach solution) to remove algae, lichen, moss and dirt.

What chemicals are used to clean roofs?

Roof cleaning is done to remove moss, lichen, algae, and buildup of other grime and dirt. There are several methods for roof cleaning, which can include a chemical soft wash, pressure washing, low-pressure washing and hand washing. When a chemical soft wash is used, a bleach mixture is sprayed onto the roof. The bleach-based solution is absorbed by the algae or moss, which dies from exposure to the chemical. The roof is then sprayed with a low-pressure rinse of water, which loosens the now-dead material, allowing it to slide off the roof.

For homeowners, the Asphalt Roofing Manufacturers Association recommends a mixture of 50 percent laundry-strength liquid chlorine bleach and 50 percent water. Professional roof cleaning companies will use an industrial mixture that is still safe but may be more effective in eliminating algae and moss growths. Asphalt shingle roofs are the most common type of roof, but each roofing material will have its own cleaning needs, so it’s best to consult with your roofing pro before diving in. Don’t do it yourself unless you can safely navigate your roof, the chemicals and a sprayer system. When in doubt, leave it to the pros.

What is a standing seam metal roof?

A standing seam metal roof may be a strong, durable, safe choice when you’re considering metal roofing installation options. A standing seam refers to the raised seam where the sheet metal roofing panels join. Traditionally, shingles and roof panels lie flush to the roof, making them more prone to rust or penetration by water at their seams. In a standing seam metal roof, the raised (or standing) seams run vertically from the roof ridge to the eaves, with no horizontal seams. In addition, the fasteners joining the metal panels together are concealed, providing even fewer opportunities for water or moisture to build up. The cost to install a standing seam metal roof will depend on the type of metal you select, the size of your roof, and the cost of roofing labor in your region. Materials will play a major role in your metal roofing installation costs. If you select standard galvanized steel, the cost per square (100 square feet) might be in the $150-$300 range, while a high-end choice such as copper or zinc could be between $1,000 and $1,500 per square. Here is one example of cost:   

  • Standing seam metal roof: $300 per square to start, including materials and labor.
    • A 30-square roof could cost $9,000 or more.

Can a metal roof be installed over shingles?

Metal roofs are durable, environmentally friendly, safe and budget-friendly. If you’re considering an update, metal roofing installation doesn’t have to mean completely removing your old roof. In many cases, metal roofing can be installed over your existing shingles. Research building codes in your state, as many require that after two roofs have been installed, all roofing materials must be completely removed before a third roof can be put on. This protects your home’s structural integrity and your family’s safety. Carefully read contractor reviews and choose someone with extensive experience with metal roofing installation. One concern when installing metal over shingles is that over time, condensation can build on the shingles and cause the metal to rust. This will lead to rust around the panels, making them more likely to come loose in a storm. Nationally, the average cost for metal roofing installation ranges from $6,000 to $20,000. The wide price range represents different roof sizes, different types of metal, and the cost of labor in different parts of the country — and can also include the cost of removing an old shingle roof prior to installing the metal. As a line item, the average cost of removing an old roof to prepare for installing a new roof, plus adding new roof decking, costs on average about $45-$75 per square (the pro roofer’s term for 100 square feet), depending on the pitch of the roof. Always make sure you have a clearly written contract and a warranty on both the labor and the metal.


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