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Top-Rated Flat, foam, or single ply roofing installers and replacers in Germantown - Updated Nov 2026

Avatar for Weather Pro Exteriors Inc.
Weather Pro Exteriors Inc.
4.1(
33
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Germantown, WI and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"No clean up - the clean up is failing, the communication wasn't good. I never heard of a company that doesn't provide you with an invoice or give you something stating that it was paid in full. They didn't even offer to send a receipt. They told me they don't send invoices when I requested one. You have to babysit their crew. Customer pays the price for the job because you can't communicate since they don't speak English. Communication failed."
Additional Photos
Additional Photos
Unlike other companies in town, we use our own in-house roofing crews to install your roof. Ensuring you get the best install with he best warranties every time.
James Hardie Siding Replacement
Additional Photos

+3

Response time1 day
Response rate100%
20 neighbors recently requested a quote
Avatar for Modern Exterior
Modern Exterior
4.5(
31
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Germantown, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Great, low-pressure experience. Very knowledgeable staff that was able to help resolve all my roofing issues. The project was done in a timely manner. All of my expectations for the project were well exceeded. This is the greatest roofing company in southeast Wisconsin. I cannot recommend this company enough!"
New roof installed
Completed Roof and Skylights Project
Ridge vent replacement completed
New vent being installed
New home with new gutter gguards

+600

Response time5 hrs
Response rate99%
202 neighbors recently requested a quote
Avatar for Bulldog Builders, LLC
Bulldog Builders, LLC
4.8(
69
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Germantown, WI and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"We had contacted Mark from Bulldog Builders for a quote on a roof replacement. Mark came out in a very reasonable amount of time, was very knowledgeable, helpful, professional. Took dimensions of roof and gave us a quote on job. We decided to go with Bulldog builders for this work and a are very pleaded we did. All Materials were ordered and the crew arrived on time and did a outstanding job. Mark then called to make sure we were happy with the work done, I would recommend Bulldog Builders to anyone!!! Great Job to all!!! Keep up the good Work!!! :)"
exterior
Master bath
Kitchen
Shower
Fireplace

+81

Response time2 days
389 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for RNR
RNR
4.8(
31
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Germantown, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Ricardo is an amazing person. Was quick and responsive. Went over and above expectations. I will use him for everything I need! I am a real estate broker and property owner and manager of multiple buildings!"
Decks & Porches Project
Porch and decking project
Decks & Porches Project
Decks & Porches Project
Decks & Porches Project

+37

Response time3 days
Response rate100%
1 neighbors recently requested a quote
Avatar for 123 Exteriors
123 Exteriors
4.7(
14
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Germantown, WI and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

123 Exteriors provides you with detailed information regarding the damage to your house, necessary repairs, and costs thereof, to replace exterior materials damaged by weather events. High winds, ice, hail, and other weather events can damage your home's exterior and our restoration experts are trained to identify these specific types of damage. Our local experts specialize in roofing, siding, gutters, window replacement, insurance claims, and storm restoration. \n

Before and After
Before and After
82 neighbors recently requested a quote
Avatar for Guardian Professional Contracting Services, Inc.
Guardian Professional Contracting Services, Inc.
3.3(
152
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Germantown, WI and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"I cannot say enough positive about Guardian. From the very beginning they treated us like we were family. Or even better, friends. They listened to our needs and answered any questions I had. We will absolutely recommend them."
Siding
Windows & Doors
Siding
Siding
Response time9 hrs
Response rate100%
267 neighbors recently requested a quote
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FAQs for flat, foam, or single ply roofing installation and replacement projects in Germantown, WI

Many roofing pros point to PVC as the top performer on flat roofs thanks to its tough seams and long-term waterproofing. A properly installed PVC membrane can last 30 years or more, resisting ponding water and harsh weather with ease. You will pay more up front than you would for EPDM, but the added durability often translates into fewer repairs and a lower cost per year of service.

Yes, a rubber roof is an environmentally friendly choice. Most rubber membranes contain recycled content and can reflect heat, which helps trim cooling bills in hot weather. Manufacturing has a lighter footprint than many traditional materials, and the long lifespan means fewer tear-offs headed to the landfill. If sustainability is a priority, ask your roofer about brands that carry third-party eco-certifications and confirm they meet local environmental standards.

The Germantown, WI homeowners’ guide to flat, foam, or single ply roofing installations and replacements

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