Get in touch with us

262-894-2057

Get a free quote
Demarks logo

Get in touch with us

262-894-2057

Get a free quote
Menu
Get a free quote
Menu

Bring Your Roof Back to Life

Roof Cleaning For A 'Like New' Look

Call: 262-894-2057 Or
Get A Free Quote
youtube

We used Demark's for a roof cleaning recently. We worked with Brandon who was great; professional, prompt, and sure-footed on my roof. Highly recommend their services based on the professionalism but also the affordable rate. Thanks, Brandon!

Zach E.

Is Your Roof Dirty?

Eliminate Black Streaks and Algae Growth
Roof stains caused by algae and organic buildup can make even newer homes look aged. Professional roof washing removes these stains safely, restoring uniform color and dramatically improving the overall appearance of your property.
Many homeowners are surprised how much newer their home looks once dark streaks are removed and the original tone of the shingles is visible again.

Testimonials

What Our Clients Say About Us

Rated 5 out of 5

With over 600+ 5 Star Google reviews.

Quality. Value. Peace of Mind.

Call: 262-894-2057 Or
Get A Free Quote

Restore & Protect Your Roof

Safe Cleaning for Shingles and Roofing Materials

Proper roof cleaning uses low-pressure, soft wash methods designed specifically for asphalt shingles, cedar shake, and other common roofing materials. This approach eliminates algae and organic growth at the source without the damage associated with high-pressure washing.
Cedar shake roofs require specialized care to remove moss, mildew, and buildup while preserving the natural integrity of the wood. Using the correct cleaning solution and application method protects the surface and supports long-term durability.
When performed correctly, professional roof washing helps extend the lifespan of your roofing system and maintain manufacturer recommendations.
roof washing shingles (1)
cedar shake roof cleaning (1)

Protect Your Investment from the Top Down
Your roof is one of the most valuable components of your home. Allowing algae and organic growth to remain can contribute to premature shingle deterioration and reduced curb appeal.
In some cases, excessive roof staining or visible algae growth may also raise concerns during home inspections or insurance evaluations. Maintaining a clean roof supports long-term property value, improves appearance, and helps prevent avoidable issues.
Professional roof washing is a proactive way to protect both the look and longevity of your home.
youtube

Professional. Affordable. Reliable.

Make Your Neighbor Jealous Because Your Home Looks So Good

Call: 262-894-2057 Or
Get A Free Quote

No More Excuses

Let Go of the Objections

Your roof doesn’t need another objection to getting cleaned. 

If you have been making excuses as to why your roof is not cleaned, it is time to let them go. These excuses are becoming more of a problem and less of a solution. Roof cleaning is more important than you think and more affordable too! Those black streaks aren’t just an eyesore, they’re actually damaging your roof. 

Don’t wait and call DeMark’s today! You will no longer have to push off keeping your home maintained with excuses of doing it later. We will restore your roof with superior roof washing service.

Effortless Experience

We handle every step with clear communication, professional service and reliable scheduling so you never have to worry about the details.

Professional Standards

Our trained technicians arrive prepared and treat your property with the respect and care it deserves.

Noticeable Results

Our cleaning delivers a visible difference, restoring your exterior and enhancing its overall appearance.

FAQs for Roof Washing

Yes. Low-pressure soft washing methods recommended by the Asphalt Roofing Manufacturers Association (ARMA) are used to safely clean asphalt shingles and cedar shake roofing materials without dislodging protective granules.
Black streaks are typically caused by airborne algae known as Gloeocapsa magma. Professional roof washing eliminates this growth, restoring uniform color and improving curb appeal.
Yes. Algae, moss, and lichen feed on the limestone filler in shingles. Removing this organic growth helps prevent premature deterioration and supports long-term roof integrity.
Insurance providers may conduct exterior inspections. Excessive roof staining, moss, or visible algae growth can raise concerns during these reviews. Maintaining a clean roof supports both property value and long-term coverage stability.

Our Service Areas

Get Ready For Amazing Results

Waukesha County

Washington County

  • Colgate
  • Hubertus
  • Germantown
  • Hartford
  • Richfield

Ozaukee County

  • Cedarburg
  • Grafton
  • Mequon

Milwaukee County

Madison

  • McFarland
  • Madison
  • Middleton
  • Stoughton
  • Sun Prairie
  • Verona

What's Next?
1

GET YOUR QUOTE

One quick call to our world-class customer service team will answer your questions and help you solve your problems.

2

GET SCHEDULED

With scheduling made easy, you’ll be able to pick a time that works for you. Your time is valuable. We get it!

3

RELAX

Sit back and relax knowing that experts will be doing the work and you won't have to lift a finger.
Call: 262-894-2057 Or
Get A Free Quote