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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon140
    Verified roofing services reviews

Top-Rated Roofers in Merrimac - Updated Nov 2026

Avatar for Sun Vault Roofing LLC
Sun Vault Roofing LLC
5.0(
5
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairFlat, Foam or Single Ply Roofing - Repair+1 more

Serving Merrimac, WI and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Sun Vault Roofing is a locally owned roofing contractor based in Verona, WI, serving Madison and southern Wisconsin. We specialize in residential roof replacement, roof repairs, architectural asphalt shingles, storm damage repairs, and Class 4 impact-resistant roofing. \n \nAs a CertainTeed ShingleMaster, we install premium roofing systems using CertainTeed Landmark, Landmark PRO, and NorthGate ClimateFlex shingles. We believe in honest assessments, transparent pricing, detailed estimates, and recommending repairs when a full roof replacement isn't necessary. \n \nOur Sun Vault One Vault Warranty combines 50-year non-prorated CertainTeed coverage for qualifying manufacturing defects, including labor and tear-off costs, with our exceptional 20-year workmanship warranty and 15 years of transferable protection. \n \n

Oconomowoc Solar
Solar Roof Project
Integrated Solar
Resawn Shake Roof
Finished Roof View

+3

Avatar for Larson Home Services
Larson Home Services
5.0(
9
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair

Serving Merrimac, WI and surrounding areas

Approved (Corporate)

In business since 2020

Free estimates

Warranties offered

If you?re in need of help with your gutters, roofing, or insulation you?ve come to the right place. Larson Home Services itself has been in business since 2009, and over the years we have perfected the art of installing GutterShutter seamless gutters, GAF roofing, and much more. \n \nDon?t just take our word for it ? find out for yourself about a lifetime gutter solution and high-quality roofing. We carry the highest possible ratings from Angie?s List and the Better Business Bureau, and we are dedicated to making your home a safer, more valuable space. Give us a call today!

21 neighbors recently requested a quote
Recommended by37%of homeowners
Avatar for Semper Fi Roofing & Exteriors - Madison, WI
Semper Fi Roofing & Exteriors - Madison, WI
4.7(
6
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairInspection - Roofing

Serving Merrimac, WI and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

At Semper Fi Roofing & Exteriors, we don't use high-pressure sales tactics or cut corners with low-grade materials. Instead, we give each home and each homeowner the attention they deserve. When you work with us, you can be sure that your home is in good hands and that your roof will last for decades to come. \n

Roofing Project
Roofing Project
Roofing Project
Roofing Project
Roofing Project

+4

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Roofing FAQs, answered by experts

The best way to check if a roofing company is legit is by asking the roofer for their license number. They should have no issue providing you with this information if they’re legitimate. You can also look to see if they have an online presence, read reviews, and ask contractors you’ve worked with before if they know the roofing company.

You can replace a roof in the winter, though it’s not the most popular time to do so. The biggest drawback of winter roofing work is the weather. Snow and ice make for dangerous, slippery working conditions. Plus, shingles can only be installed in temperatures above 40 to 45 degrees. 

The best time to replace a roof is in the spring or fall when the weather is mild. However, you can likely save some money by booking the job in the winter off-season, when roofers have more availability. 

A roof pitch multiplier is an accurate way to calculate roof square footage, and it’s handy for purchasing the correct amount of materials. To determine your roof pitch multiplier, you'll need to calculate the roof slope, square it, and add it to 144. Next, find the square root of the total and divide it by 12. The answer is your roof pitch multiplier. Once you know the roof pitch multiplier, multiply it by the total square feet of your building to determine the total roof surface area.

Copper roofing works well in all kinds of climates, but it’s ideal in humid climates because it naturally repels fungus, moss, and algae. This makes it one of the best roofing options for Cape Cod homes in the Northeast, as well as homes in the humid southern states and snowy northern states. That said, copper is vulnerable to thermal expansion. If you live in a climate that has extreme temperature changes, your contractor will need to consider this during the installation process.

Technically speaking, yes, verbal agreements and “handshake deals” can be legally binding contracts that will hold up in court, but the suing party will need to be able to prove that the parties entered into the contract. Even though verbal and handshake deals can be binding, it’s risky to rely on these types of agreements for anything, including roofing projects. Always aim to get your contract in writing, and make sure it includes all terms and that you don’t agree to additional terms that don’t appear in the contract.

The Merrimac, WI homeowners’ guide to roofing services

From average costs to expert advice, get all the answers you need to get your job done.