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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon29
    Verified roofing services reviews

Top-Rated Roofers in Ontario - Updated Nov 2026

Avatar for Heritage Home Services, LLC
Heritage Home Services, LLC
5.0(
5
)
Metal Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair+1 more

Serving Ontario, WI and surrounding areas

Approved

In business since 2024

Free estimates

Small jobs welcome

"I reached out to Brad to do a roof inspection and give a quote to a buyer. He was there the next day and was very thorough. My clients and myself were very satisfied - he is able to do everything necessary to do the needed repairs. Amazing work! Highly recommend Brad!"
Before
During
Standing Seam
Standing Seam
After

+2

Response time1 day
Response rate100%
10 neighbors recently requested a quote
Avatar for Jerry's Painting
Jerry's Painting
4.9(
6
)
Sealant for Roof - Apply- For Business

Serving Ontario, WI and surrounding areas

Approved

In business since 2020

Free estimates

Small jobs welcome

"Quality professional work at a fair price. I would recommend him to anyone and hire him again. Our old faded silver/gray roof looks like brand new now."
Painting photos
Painting photos
Painting photos
Painting photos
Painting photos

+21

Response time4 days
9 neighbors recently requested a quote
Recommended by60%of homeowners
Avatar for Driftless Exteriors
Driftless Exteriors
4.5(
17
)
Roof - Clean

Serving Ontario, WI and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Blake is very professional and did a excellent job spray washing the whole exterior (vinyl and brick) of my house and roof. He also flushed the gutters and down spouts. I wouldn't hesitate to call him again."
Cleaning and Staining
Cleaning and Staining
Deck After
Cleaning and Staining
Cleaning and Staining

+2

Response time3 days
9 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for RW Solutions, LLC
RW Solutions, LLC
5.0(
2
)
Flat, Foam or Single Ply Roofing - Repair- For BusinessFlat, Foam, or Single Ply Roofing - Install or Replace- For Business

Serving Ontario, WI and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

RW Solutions LLC is a bonded and fully insured roofing contractor specializing in flat roofing systems, including EPDM and TPO. Flat roofs require experienced installers, and that?s where we focus our expertise. \n \nWe handle new installations, leak repairs, and maintenance, and we also provide repairs on all roofing systems. Our approach is straightforward?honest recommendations, quality workmanship, and clear communication from start to finish. \n \nWhether it?s a small repair or a full roof replacement, RW Solutions delivers reliable, professional roofing you can trust.

TPO
TPO
TPO
EPDM Roofing
EPDM Roofing

+2

Avatar for Affordable Home Remodeling
Affordable Home Remodeling
4.0(
82
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair+3 more

Serving Ontario, WI and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"I was impressed from the very beginning from the presentation and how our questions were answered. Oscar and his crew did a beautiful job of installing our roof and cleared up the site before they left excellently. Extremely polite and efficient. Job was done in one day and were so happy with the results"
Response time1 day
Response rate97%
187 neighbors recently requested a quote
Riverview Builders
New to Angi
Asphalt Shingle Roofing - Install or Replace

Serving Ontario, WI and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

contractor, we treat every project as if we were working on our own family home. \n \nFully licensed and insured in both Minnesota and Wisconsin, we specialize in residential construction, remodeling, and custom building. We pride ourselves on prompt project timelines, transparent communication, and top-tier craftsmanship. Should any detail fall short along the way, we take full accountability and correct it immediately. When you work with Riverview Builders, you're partnering with local builders who stand behind their word and their work.

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Roofing FAQs, answered by experts

Furring strips (also called wood stripping) are not always necessary for a metal roof installation, but they are highly recommended and may be required by local building codes or the roofing manufacturer's specifications. There are several key reasons to use them:

  • Energy Efficiency: Furring strips, made of wood or metal, create an air gap between the metal panels and the roof deck. This acts as a thermal break, reducing heat transfer into your home and improving overall energy efficiency.

  • Moisture and Condensation Control: The air gap allows for better airflow, which helps prevent moisture buildup and condensation under the metal panels.

  • Structural Support: They provide a solid, even frame to which you can attach the metal roofing panels.

It is especially important to use furring strips when installing a metal roof over existing shingles. Without them, the roof surface can be uneven, and you will experience greater solar heat gain.

The level of underlayment’s water resistance will depend on the type of underlayment. The most popular underlayment, felt, is water-resistant, but it can’t withstand long direct exposure to rain or the elements. 

Synthetic underlayment is more waterproof, but asphalt is the only fully waterproof type of underlayment.

While you technically can add a roof over shakes or shingles, it’s not a good idea. Roofing over existing roofing creates a moisture barrier underneath the new roof and since the trapped material is wood, you can expect a moisture problem. While you could get away with installing a new roof over asphalt or steel, wooden roofs should be removed, new underlayment installed, and the new roof installed over that. Also, the extra weight would add strain to your roof structure.

Your chimney needs a structurally sound chimney cap, protective lining, damper, chimney flashing, and brick and mortar to prevent water from goind down your chimney. A pro can help you identify where the issue is so that you can stop water from coming down the smoke shaft, through your damper, and into your home.

Most roof leaks occur where shingles meet or where there are sealants or seams in the materials. This is common around skylights and at any point there is a break in the roof such as corners and edges. Roofing materials are incredibly strong and resistant when overlapping, but any change in that can cause gaps where water can enter.

The Ontario, WI homeowners’ guide to roofing services

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