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Find Natural slate roofing installers and replacers in Cobb-island

Avatar for Home Genius Exteriors

Home Genius Exteriors

8201 Corporate Drive, Suite G10
4.94(
355
)
Approved Pro

Home Genius Exteriors

8201 Corporate Drive, Suite G10
4.94(
355
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
21 local quotes requested

Elevate your home with Home Genius Exteriors, setting the standard in Maryland and Washington DC by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It’s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!

"They did a good job and took their time to do it right."

Dominic A on October 2025

Elevate your home with Home Genius Exteriors, setting the standard in Maryland and Washington DC by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It’s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!

"They did a good job and took their time to do it right."

Dominic A on October 2025


Avatar for American Windows & Siding

American Windows & Siding

10516 Detrick Ave
4.72(
127
)
Approved Pro

American Windows & Siding

10516 Detrick Ave
4.72(
127
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
74 local quotes requested

American Windows & Siding of VA, Inc., specializes in custom windows, siding, doors, and roof systems. We use the finest quality products and labor available, and all our work is guaranteed for your peace of mind. Owner operated and employee owned, the company was established in 1991. We have two locations for your convenience - one in Fairfax, Virginia and one in Kensington, Maryland. We’ve been a member of the Better Business Bureau since 1993, and our customer service and proven track record of thousands of satisfied customers have earned us the reputation of an industry leader. All our workers are licensed, bonded, and insured. We have been top rated for the last eleven years in Washington Checkbook Magazine, a leading consumer publication for the DC metro area. In March of 2011 we were recognized as one of the "The Top 200 Remodelers" by Washingtonian Magazine and we have an "A" rating on Angie's List, receiving their Super Service Award for the past two years. With more than 13,000 jobs successfully completed in Northern Virginia, DC and suburban Maryland, we are proud of our reputation. Take a look at what our customers have to say. LICENSE # 49774.

"Had windows and doors installed by this company. The window installation went great. The bad news is that they do not seem competent at installing door hardware. My door has not latched properly since they made some unwanted modifications to the hardware (it worked perfectly before they started modifying it).have had them out three separate times to fix the issue they caused with the door latch and lock. Every “fix” they do seems to make the problem worse. I would steer clear of this company for door installations."

Christian S on April 2025

American Windows & Siding of VA, Inc., specializes in custom windows, siding, doors, and roof systems. We use the finest quality products and labor available, and all our work is guaranteed for your peace of mind. Owner operated and employee owned, the company was established in 1991. We have two locations for your convenience - one in Fairfax, Virginia and one in Kensington, Maryland. We’ve been a member of the Better Business Bureau since 1993, and our customer service and proven track record of thousands of satisfied customers have earned us the reputation of an industry leader. All our workers are licensed, bonded, and insured. We have been top rated for the last eleven years in Washington Checkbook Magazine, a leading consumer publication for the DC metro area. In March of 2011 we were recognized as one of the "The Top 200 Remodelers" by Washingtonian Magazine and we have an "A" rating on Angie's List, receiving their Super Service Award for the past two years. With more than 13,000 jobs successfully completed in Northern Virginia, DC and suburban Maryland, we are proud of our reputation. Take a look at what our customers have to say. LICENSE # 49774.

"Had windows and doors installed by this company. The window installation went great. The bad news is that they do not seem competent at installing door hardware. My door has not latched properly since they made some unwanted modifications to the hardware (it worked perfectly before they started modifying it).have had them out three separate times to fix the issue they caused with the door latch and lock. Every “fix” they do seems to make the problem worse. I would steer clear of this company for door installations."

Christian S on April 2025


Avatar for Unicorp Home Energy Services

Unicorp Home Energy Services

4511 Knox Rd
4.95(
543
)
Approved Pro

Unicorp Home Energy Services

4511 Knox Rd
4.95(
543
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
32 local quotes requested

Since 1987 UNICORP Home Energy Services has made window, siding and roofing projects a worry free experience for over 23,000 homeowners in MD, VA and Washington D.C. We are proud of our flawless record with the Better Business Bureau because customer satisfaction is our number one priority. Our past partnerships with Price Club (Costco) and more recently Pepco Energy Services are a clear indication that we understand the importance of providing substantial savings and value on all our energy saving products. ---- At UNICORP we don't believe in hard-sell tactics, and never make cold calls that interrupt you at meal time. We understand the importance of making the right decision without headache or high pressure. That's why more customers refer us to their friends and family than any other window and siding company. Not surprising when dealing with professionals that care about their customers and love what they do. ---- We thank you for visiting our profile and look forward to improving the quality, enjoyment and energy efficiency of your home. ---- Additional phone - (703) 462-6100. Additional fax - (877) 867-3726. Award winning. Additional DBA - Vinyl Technologies Energy Service. Additional contact name- Brian Weil. Additional email - contact@unicorpmail.com.

"We just had Unicorp install new windows throughout our entire house. The window quality is excellent and the installation went very well. We were replacing 55 years old windows - and were very happy with the entire process, from selection, exterior color choices, and finally installation."

sheila t on May 2025

Since 1987 UNICORP Home Energy Services has made window, siding and roofing projects a worry free experience for over 23,000 homeowners in MD, VA and Washington D.C. We are proud of our flawless record with the Better Business Bureau because customer satisfaction is our number one priority. Our past partnerships with Price Club (Costco) and more recently Pepco Energy Services are a clear indication that we understand the importance of providing substantial savings and value on all our energy saving products. ---- At UNICORP we don't believe in hard-sell tactics, and never make cold calls that interrupt you at meal time. We understand the importance of making the right decision without headache or high pressure. That's why more customers refer us to their friends and family than any other window and siding company. Not surprising when dealing with professionals that care about their customers and love what they do. ---- We thank you for visiting our profile and look forward to improving the quality, enjoyment and energy efficiency of your home. ---- Additional phone - (703) 462-6100. Additional fax - (877) 867-3726. Award winning. Additional DBA - Vinyl Technologies Energy Service. Additional contact name- Brian Weil. Additional email - contact@unicorpmail.com.

"We just had Unicorp install new windows throughout our entire house. The window quality is excellent and the installation went very well. We were replacing 55 years old windows - and were very happy with the entire process, from selection, exterior color choices, and finally installation."

sheila t on May 2025


Avatar for ROI Construction LLC

ROI Construction LLC

8378 Veterans Hwy
4.60(
10
)
Approved Pro

ROI Construction LLC

8378 Veterans Hwy
4.60(
10
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
157 local quotes requested

Why choose ROI Construction? Our Gold Standard guarantee is 100% customer satisfaction, 100% of the time! - It's that simple. No need to keep looking for “Contractor near me,” we are the top local Maryland and DC family owned Exterior company (est. 1974) that delivers the best results and a positive return on investment in the area! ROI also does a final walkthrough of every-single-job to ensure that we deliver a superior finished product for every ROI customer!

"Very pleased with the roofing and siding work performed by ROI Construction. Jose was especially helpful and very knowledgeable in all areas of home repair, including roofing, skylights, trim and siding. Brooke did a great job scheduling and managing the project. Highly recommend ROI for your roofing/remodeling needs."

Rachel S on September 2025

Why choose ROI Construction? Our Gold Standard guarantee is 100% customer satisfaction, 100% of the time! - It's that simple. No need to keep looking for “Contractor near me,” we are the top local Maryland and DC family owned Exterior company (est. 1974) that delivers the best results and a positive return on investment in the area! ROI also does a final walkthrough of every-single-job to ensure that we deliver a superior finished product for every ROI customer!

"Very pleased with the roofing and siding work performed by ROI Construction. Jose was especially helpful and very knowledgeable in all areas of home repair, including roofing, skylights, trim and siding. Brooke did a great job scheduling and managing the project. Highly recommend ROI for your roofing/remodeling needs."

Rachel S on September 2025


SOUTHERN MARYLAND CONTRACTING ROOFING AND SIDING

303 Oak Drive
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

SOUTHERN MARYLAND CONTRACTING ROOFING AND SIDING

303 Oak Drive
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
30 years of experience

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction! I wouldn't do a project I wont do for myself

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction! I wouldn't do a project I wont do for myself


"They did the estimate and negotiate the price and provide the details. They were Very good excellent they communicate and detailed. Flexibility in architecture they were able to have a painter that paints an arch vent."

Patrick M on February 2023

Springfield Roofing is Licensed Bonded and Insured in Virginia, Maryland and Wahsington, DC 50 Employee's

"They did the estimate and negotiate the price and provide the details. They were Very good excellent they communicate and detailed. Flexibility in architecture they were able to have a painter that paints an arch vent."

Patrick M on February 2023


Avatar for Certified Roofing

Certified Roofing

9520 Berger Rd Suite 112
4.87(
839
)
Approved Pro

Certified Roofing

9520 Berger Rd Suite 112
4.87(
839
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
287 local quotes requested

Locally, family, and veteran owned & operated. Award winning. For the past 40 years, Certified has offered the Maryland, Washington DC, Northern Virginia, West Virginia, and Delaware, areas the highest quality workmanship and unmatched level of expertise in specialty metal, shingle, slate, cedar shake, and flat roofing installation. Certified is known for its skilled craftsmen and their attention to detail. All of the professional roofers, estimators, and project managers have completed thousands of hours of training from the largest manufacturers of roofing products. We strive for 100% satisfaction. The training and certifications we earned allow us to live up to this goal. We are confident we will far exceed your expectations on your next roofing, siding, window, deck, bathroom remodel, or gutter project. Licensed in MD, DC, DE, VA, WV.

"Great presentation about service they provide. Excellent service and price!"

Lou F on October 2025

Locally, family, and veteran owned & operated. Award winning. For the past 40 years, Certified has offered the Maryland, Washington DC, Northern Virginia, West Virginia, and Delaware, areas the highest quality workmanship and unmatched level of expertise in specialty metal, shingle, slate, cedar shake, and flat roofing installation. Certified is known for its skilled craftsmen and their attention to detail. All of the professional roofers, estimators, and project managers have completed thousands of hours of training from the largest manufacturers of roofing products. We strive for 100% satisfaction. The training and certifications we earned allow us to live up to this goal. We are confident we will far exceed your expectations on your next roofing, siding, window, deck, bathroom remodel, or gutter project. Licensed in MD, DC, DE, VA, WV.

"Great presentation about service they provide. Excellent service and price!"

Lou F on October 2025


Avatar for CHEVY CHASE REMODELING

CHEVY CHASE REMODELING

6900 Wisconsin Ave
4.77(
170
)
Approved Pro

CHEVY CHASE REMODELING

6900 Wisconsin Ave
4.77(
170
)
Approved Pro
Customers say: Terrific value
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
102 local quotes requested

26 employees. Cost is determined by the job. Travel charges may apply. Service fee applies. Extra charge for after-hours service. License #: 95598. Additional contact: jennifer depollar. Additional phone #: (240)535-6296. Additional service areas: calvert county & district of columbia. Additional services offered: siding, roofing, windows, kitchens, baths, flooring,painting. We work under the rowan group llc's licensing in Virginia and D.C.

"I’m very excited with the outcome. I marvel every time I walk down stairs and look into my new design and functional kitchen, and living room. Updated appliances, modernized upscale look. When anyone sees the home they go from room to room the response is WOW from room to room. Wow says it all. Thank you Steve and crew. WOW"

Yvonne B on February 2021

26 employees. Cost is determined by the job. Travel charges may apply. Service fee applies. Extra charge for after-hours service. License #: 95598. Additional contact: jennifer depollar. Additional phone #: (240)535-6296. Additional service areas: calvert county & district of columbia. Additional services offered: siding, roofing, windows, kitchens, baths, flooring,painting. We work under the rowan group llc's licensing in Virginia and D.C.

"I’m very excited with the outcome. I marvel every time I walk down stairs and look into my new design and functional kitchen, and living room. Updated appliances, modernized upscale look. When anyone sees the home they go from room to room the response is WOW from room to room. Wow says it all. Thank you Steve and crew. WOW"

Yvonne B on February 2021


Avatar for JDH Remodeling

JDH Remodeling

4821 Saint Leonard Rd
5.00(
11
)
Approved Pro

JDH Remodeling

4821 Saint Leonard Rd
5.00(
11
)
Approved Pro
Customers say: Quick response
13 local quotes requested
16 years of experience

At JDH Remodeling, we specialize in enhancing and protecting your home with a comprehensive range of services. As expert roofing contractors, we ensure your roof is robust and reliable. Our gutter services are designed to effectively manage water flow, preventing damage to your home. We also offer siding solutions that not only add aesthetic appeal but also provide essential protection against the elements. Our insulation services improve energy efficiency, enhancing comfort and reducing costs. Additionally, our window installation services bring natural light and style into your home while ensuring durability and performance. Trust JDH Remodeling for quality craftsmanship and exceptional service.

"JDH did an excellent job on rebuilding my deck. They were very detailed and very efficient. I would definitely hire them for work in the future and recommend them to friends or family."

Herman T on May 2020

At JDH Remodeling, we specialize in enhancing and protecting your home with a comprehensive range of services. As expert roofing contractors, we ensure your roof is robust and reliable. Our gutter services are designed to effectively manage water flow, preventing damage to your home. We also offer siding solutions that not only add aesthetic appeal but also provide essential protection against the elements. Our insulation services improve energy efficiency, enhancing comfort and reducing costs. Additionally, our window installation services bring natural light and style into your home while ensuring durability and performance. Trust JDH Remodeling for quality craftsmanship and exceptional service.

"JDH did an excellent job on rebuilding my deck. They were very detailed and very efficient. I would definitely hire them for work in the future and recommend them to friends or family."

Herman T on May 2020


Keith Roofing

611 Pennsylvania Ave SE Suite 248
4.87(
313
)
Approved Pro

Keith Roofing

611 Pennsylvania Ave SE Suite 248
4.87(
313
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
39 local quotes requested

Keith Roofing has been serving residential, commercial, and industrial customers since 1960. We've built our reputation on providing a high-quality finished product that will last for years! Count on our team for honesty and integrity when it comes to serving the needs of home and business owners in the DC area. Because each roof provides different challenges, such as the pitch of the roof, type of shingles, the gutter system, and number of valleys, Keith Roofing offers thorough on-site inspections and true estimates of your roofing repair needs. WE are based in and only service Washington,DC- SO we specialize on working on these Beautiful Historic Homes we have here in the District.

"They couldn't have been more responsive or helpful. Customer satisfaction was clearly their top priority. It was literally some of the best customer service I have ever experienced! I could not recommend them more!"

Brent L on October 2020

Keith Roofing has been serving residential, commercial, and industrial customers since 1960. We've built our reputation on providing a high-quality finished product that will last for years! Count on our team for honesty and integrity when it comes to serving the needs of home and business owners in the DC area. Because each roof provides different challenges, such as the pitch of the roof, type of shingles, the gutter system, and number of valleys, Keith Roofing offers thorough on-site inspections and true estimates of your roofing repair needs. WE are based in and only service Washington,DC- SO we specialize on working on these Beautiful Historic Homes we have here in the District.

"They couldn't have been more responsive or helpful. Customer satisfaction was clearly their top priority. It was literally some of the best customer service I have ever experienced! I could not recommend them more!"

Brent L on October 2020

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FAQs for natural slate roofing installation and replacement projects in Cobb-island, MD

A slate roof features thin tiles of natural stone installed over a solid deck and underlayment. Formed under intense heat and pressure, slate is exceptionally durable and delivers a distinctive, high-end look. Because the material weighs far more than asphalt, most homes need added structural support before installation. 

While upfront costs are higher and routine inspections are a must, many homeowners choose slate for its unmatched longevity and curb appeal.

Slate stands out for its 50- to 200-year life span, low maintenance, and classic aesthetic. It’s fire-resistant, energy-efficient, and often boosts resale value. 

On the flip side, slate runs far more per square foot than asphalt, weighs up to four times as much, and demands a contractor who specializes in the material. Tiles can crack on impact, and repairs cost more because the work is slow and precise. If your budget and structure can handle it, slate delivers top-tier performance for generations.

Natural and synthetic slate aim for a premium, stone-like appearance, whereas asphalt focuses on affordability. Real slate runs $10 to $30 per square foot installed and lasts up to 200 years; synthetic slate costs $10 to $15 and tops out at 50 to 100 years. 

Standard asphalt averages $3 to $8 per square foot and needs replacement every 20 to 30 years. If you want the slate look without the full price tag—or extra roof weight—synthetic is a solid middle ground.

With routine inspections and prompt repairs, a natural slate roof can last well beyond 100 years; some hard-slate installations reach the 200-year mark. Soft slate falls in the 50- to 125-year range, and synthetic products last 50 to 100 years. 

Remember, flashing, fasteners, and the underlying structure may need attention sooner than the stone itself. Severe hail or fallen limbs can also shorten life span, so schedule periodic checkups with a slate-qualified roofer.

If you plan to stay in your home long term—or want a standout selling point—slate delivers strong value. Although installation costs are high, owners often recoup 60% to 70% at resale and enjoy lower replacement cycles than asphalt. The stone’s durability, energy efficiency, and timeless curb appeal also appeal to eco-conscious buyers because fewer roofs end up in landfills. Just be sure your framing can handle the weight and that you budget for occasional specialty repairs.

Skip the DIY climb if you have a slate roof. Slate may be tough against the weather, but a single misplaced step can crack a tile and create a leak path. The surface also turns slick when wet, upping the risk of injury. Professional crews use staging and hook ladders that spread weight across multiple slates, protecting both the roof and the worker. To inspect or repair slate, call a roofer who specializes in the material.

The Cobb-island, MD homeowners’ guide to natural slate roofing installations and replacements

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