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Flat Roofing

We are one of the oldest and best flat roofing companies in Denver. Contact us today for a no obligation Flat Roofing Price Quote!

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Denver Flat Roof Repair & Installation Company

A-Advanced Service Company is a locally owned and operated, and a proud member of the Better Business Bureau. We are the original Denver area “Flat Roof Specialists” for over 30 years. Our professionals can provide you a free estimate on our signature flat roofing repairs or re-roofing, roof installation or preventative maintenance. Experienced in both commercial and residential roofs, we can solve any roofing situation and help to prevent future leaks and problems. We will evaluate your roof and provide the best economical solution for your roof.

Denver’s #1 Flat Roofing Specialists

We are the original Denver area “Flat Roof Specialists” and serve not only Denver, but the surrounding areas like Lakewood, Aurora, Englewood, Centennial, Littleton, Parker and local communities along the Colorado Front Range!

  • Flat Roofing Repairs and Re-Roofing
  • Preventative Maintenance
  • Flat Roof Installation
  • Coatings and Waterproofing
  • Single Ply Membrane Roofs
  • Tar and Gravel Repairs
  • Asphalt Shingle Re-Roofing
  • Storm Damage & Insurance Claims

Flat Roofing Repair & Re-Roofing

Does your flat roof need repair or reroofing? We can help you!

Flat Roofing Installation

When you need new flat roofing installed properly, we are the best company!

Preventative Maintenance

Do you have water damage, leaks, and storm damage? Let us inspect it for you!

Flat Roofing Company Services

Tar and Gravel Repairs

When your build up roof (BUR) or modified bitumen roof needs repairs, our tar and gravel experts can make your roof look good once again

Residential Shingle Re-Roofing

Depending on your roofs condition, a shingle reroofing solution may solve your leaking and storm damage issues for your residential or commercial building.

Coatings and Waterproofing

No one wants leaks, and in Colorado the weather is always changing. Our professional flat roofing contractors will inspect and perform proper maintenance.

Storm Damage and Claims

Did you get hit by a Colorado storm? Hail, rain, wind or snow can damage your roof. We will work with you and your insurance company to get your roof repaired.

Inspections and Certifications

Are you buying or selling a property? Do you need the flat roofing inspected? Call us today to schedule a flat roofing inspection to certify the condition. 

Rubber Membrane

Our rubber membrane installation services are perfect for solutions where you need to keep moisture out, you have strong winds, and need some R value. 

Why Choose Us

A-Advanced Service Company offers the best roofing products in the industry. There are times when you absolutely need a new roof and there are times when options such as our asphalt coatings can help extend the existing serviceability of your roof. Roof Coating is a cold process asphalt-base coating. It preserves and prolongs the life of a roof by creating a seamless, pliable, long-lasting layer of water-repellent protection over existing roof surfaces. Roof Coating can add years of service to a roof investment. When choosing a re roofing material, it is always a good idea to pick one with a proven track record. Modified bitumen roofing materials have been around since the mid-’60s, but it took until the mid-’70s for its use to dominate the industry. Now modified bitumen roofing materials are the most widely used on flat roof commercial and residential flat roof buildings.


Service Areas

We serve Denver, CO and the surrounding areas like Highlands Ranch, Castle Rock, Broomfield, Boulder, Aurora, Golden, Arvada, and all along the Front Range Region.


Friendly Staff

For the last 30 years we have served Colorado and we hope we can earn your business through our hard work, reliability and professionalism. We treat you like family and care about your roofing projects.


Honest Pricing

When your searching for a flat roofing company in Denver or near you, you have many to choose from. Not only are we one of the oldest flat roofing companies in Denver, but we believe in fair and honest pricing. Contact us today and we will provide you with a no obligation quote.

Request A Flat Roofing Quote Today


Reach Us

Location :

12211 W Alameda Pkwy Suite # 106, Lakewood CO 80228

Email :


Phone :

(303) 238-2978

A-Advanced Service Company is a locally owned and operated, and a proud member of the Better Business Bureau. We are the original Denver area “Flat Roof Specialists” for over 30 years.