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Roof sealant application pros in Germantown

Avatar for James McMillan Contracting
James McMillan Contracting
10100 Twin Rivers Road Unit 415
4.73(
54
)
Approved Pro
James McMillan Contracting
10100 Twin Rivers Road Unit 415
4.73(
54
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
25 years of experience

James McMillan Contracting is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"James and his crew are amazing! They are honest, trustworthy, and fair. I got ripped off by another company that had extremely poor workmanship. I called Jim and explained the issue and he sent his crew to fix it the next day. I want to thank him from the bottom of my heart for his help with this issue. I feel so much better now that the hole in my roof has been repaired the right way."

Patrice G on July 2024

James McMillan Contracting is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"James and his crew are amazing! They are honest, trustworthy, and fair. I got ripped off by another company that had extremely poor workmanship. I called Jim and explained the issue and he sent his crew to fix it the next day. I want to thank him from the bottom of my heart for his help with this issue. I feel so much better now that the hole in my roof has been repaired the right way."

Patrice G on July 2024


Daniel Parks
672 Old Mill Rd., Ste. 240
4.65(
143
)
Approved Pro
Daniel Parks
672 Old Mill Rd., Ste. 240
4.65(
143
)
Approved Pro
Customers say: Quick response
59 years of experience
Free onsite estimate

Family owned and operated, 40 years experiece in roofing and gutters. We only use premium quality materials, highly qualified and BBB member.

"Reasonably priced and responsive. His team provided next day service to complete roof repairs."

David G on May 2025

Family owned and operated, 40 years experiece in roofing and gutters. We only use premium quality materials, highly qualified and BBB member.

"Reasonably priced and responsive. His team provided next day service to complete roof repairs."

David G on May 2025


Avatar for New Castle Constructs, LLC
New Castle Constructs, LLC
27 E Randall St
5.00(
27
)
Approved Pro
New Castle Constructs, LLC
27 E Randall St
5.00(
27
)
Approved Pro
Super Service Award
Customers say: True professional
110 local quotes requested
2 years of experience

New Castle Constructs is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Yes, New Castle Construction did excellent work today 3/14/25. Joseph was my rep. and was very consistent until I committed. Nadir actually came and did the roof job, and satisfied my expectations fully. I hope the best for this business and it continues to thrive and flourish. Kudos you guys! Satisfied Customer Hana B. Sxxxx"

Hana B on March 2025

New Castle Constructs is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Yes, New Castle Construction did excellent work today 3/14/25. Joseph was my rep. and was very consistent until I committed. Nadir actually came and did the roof job, and satisfied my expectations fully. I hope the best for this business and it continues to thrive and flourish. Kudos you guys! Satisfied Customer Hana B. Sxxxx"

Hana B on March 2025


Avatar for D. Fuentes Painting
D. Fuentes Painting
4601 North Fairfax Drive, Suite 1200
4.79(
98
)
Approved Pro
D. Fuentes Painting
4601 North Fairfax Drive, Suite 1200
4.79(
98
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
60 local quotes requested

D. Fuentes painting is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Very professional and very high quality."

Teryal T on May 2025

D. Fuentes painting is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Very professional and very high quality."

Teryal T on May 2025


Avatar for Champion Home Improvements, LLC
Champion Home Improvements, LLC
4920 Niagara Road
4.26(
201
)
Approved Pro
Champion Home Improvements, LLC
4920 Niagara Road
4.26(
201
)
Approved Pro
Customers say: Quick response
59 local quotes requested
31 years of experience

Our continuing goal is to provide professional services to our customers on an ongoing basis. Integrity, honesty, quality workmanship, and customer service are our priorities. We always go the extra mile to ensure customer satisfaction. Day or Evening Free Estimates Available* Virtual Estimates available. Take a photo - Measure - Call - We Install - Its that simple. *All homeowners must be present and other conditions apply

"Amazing and quick service and amazing customer service"

Katie D on June 2024

Our continuing goal is to provide professional services to our customers on an ongoing basis. Integrity, honesty, quality workmanship, and customer service are our priorities. We always go the extra mile to ensure customer satisfaction. Day or Evening Free Estimates Available* Virtual Estimates available. Take a photo - Measure - Call - We Install - Its that simple. *All homeowners must be present and other conditions apply

"Amazing and quick service and amazing customer service"

Katie D on June 2024


Avatar for  GoodGood Roofing & Siding
GoodGood Roofing & Siding
615 S FREDERICK AVE 301
4.89(
9
)
Approved Pro
GoodGood Roofing & Siding
615 S FREDERICK AVE 301
4.89(
9
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
94 local quotes requested

GoodGood Roofing & Siding is your trusted roofing expert in Washington D.C. With our top-notch craftsmanship and attention to detail, we deliver exceptional results that stand the test of time. Whether you need a new roof installation or repairs, our team is here to exceed your expectations. Contact us today for a reliable and professional roofing service you can count on.

"We started working with Jorden to re-slope some gutters to divert storm water. As our low slope shingle roof needed to be replaced, we asked him to provide a proposal to replace the existing roof with a modified bitumen roof system with an additional 3" rigid foam insulation. Kevin helped to provide me with the standard roof flashing and edge details for this type of residential roof system, which they were not familiar with. Kevin and Jorden discussed it with the roof installers and the product manufacturer, and provided whatever was needed, responding promptly throughout the process. They let us know when the material prices were expected to go up so that we could order the materials. During the time that I was not available, they worked with us to revise the schedule, which was much appreciated! The work was planned and executed without any issues, and we are very happy with our new roof. Thank you Kevin and Jorden!"

Suzanne H on September 2022

GoodGood Roofing & Siding is your trusted roofing expert in Washington D.C. With our top-notch craftsmanship and attention to detail, we deliver exceptional results that stand the test of time. Whether you need a new roof installation or repairs, our team is here to exceed your expectations. Contact us today for a reliable and professional roofing service you can count on.

"We started working with Jorden to re-slope some gutters to divert storm water. As our low slope shingle roof needed to be replaced, we asked him to provide a proposal to replace the existing roof with a modified bitumen roof system with an additional 3" rigid foam insulation. Kevin helped to provide me with the standard roof flashing and edge details for this type of residential roof system, which they were not familiar with. Kevin and Jorden discussed it with the roof installers and the product manufacturer, and provided whatever was needed, responding promptly throughout the process. They let us know when the material prices were expected to go up so that we could order the materials. During the time that I was not available, they worked with us to revise the schedule, which was much appreciated! The work was planned and executed without any issues, and we are very happy with our new roof. Thank you Kevin and Jorden!"

Suzanne H on September 2022


Avatar for Roofing Pups, Roofing & Siding - MD
Roofing Pups, Roofing & Siding - MD
7855 Belair Rd
4.55(
44
)
Approved Pro
Roofing Pups, Roofing & Siding - MD
7855 Belair Rd
4.55(
44
)
Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
3566 local quotes requested

Since 1992, Roofing Pups, Roofing & Siding - MD has provided homeowners and business owners with top quality, factory-direct products, professionally installed by licensed, bonded installers with over 25 years of home improvement experience. Our experience sales representative will assist you with the windows and/or doors that suit you best. Roofing Pups Roofing & Siding takes pride in building relationships with not only our consumers but with our manufacturers as well. We have maintained a reputable business relationship with both of our leading manufactures, American Jewel and Home Guard, for 15 years. Being a locally owned and operated company, Roofing Pups is able to provide you with top quality products with a bottom line price! Come see for yourself how Air Tite Windows & Doors, Inc. can make your home look stunning and more energy efficient.

"Great.good job"

linwood c on May 2025

Since 1992, Roofing Pups, Roofing & Siding - MD has provided homeowners and business owners with top quality, factory-direct products, professionally installed by licensed, bonded installers with over 25 years of home improvement experience. Our experience sales representative will assist you with the windows and/or doors that suit you best. Roofing Pups Roofing & Siding takes pride in building relationships with not only our consumers but with our manufacturers as well. We have maintained a reputable business relationship with both of our leading manufactures, American Jewel and Home Guard, for 15 years. Being a locally owned and operated company, Roofing Pups is able to provide you with top quality products with a bottom line price! Come see for yourself how Air Tite Windows & Doors, Inc. can make your home look stunning and more energy efficient.

"Great.good job"

linwood c on May 2025


Avatar for EXTERIORMAX
EXTERIORMAX
348 Linganore Ave.
4.85(
26
)
Approved Pro
EXTERIORMAX
348 Linganore Ave.
4.85(
26
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
486 local quotes requested

With experience since the early 2000's, EXTERIORMAX specializes in high quality roof, window, door, gutter, siding, and trim replacements. We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"BUYER BEWARE.... They will rob you and your insurance company, they are dishonest to the point they lied about doing business with us to have the review removed on top of destroying my plywood and trying to make me pay $2800 for it"

Richard H on July 2024

With experience since the early 2000's, EXTERIORMAX specializes in high quality roof, window, door, gutter, siding, and trim replacements. We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"BUYER BEWARE.... They will rob you and your insurance company, they are dishonest to the point they lied about doing business with us to have the review removed on top of destroying my plywood and trying to make me pay $2800 for it"

Richard H on July 2024


Avatar for Exterior Medics
Exterior Medics
7540 Accotink Park Rd
4.59(
495
)
Approved Pro
Exterior Medics
7540 Accotink Park Rd
4.59(
495
)
Approved Pro
Customers say: Quality work
1637 local quotes requested
18 years of experience

Exterior Medics is a premier home remodeling company, specializing in exterior replacement and repairs for both commercial and residential properties. When it comes to service and execution, we are unmatched. We've earned the Angie's List Super Service Award for 8 consecutive years, and are among just 2% of contractors nationwide to earn the GAF Master Elite status. Our team handles every project with utmost care and a laser-focused attention to detail. We consider every home we touch to be a reflection of our high standards, and treat every homeowner like a beloved member of our own family. Bonded and well insured. Licensed in both Maryland and Virginia.

"Spent ~$50,000 on a new roof with them. Thought everything went well. Years later discovered that they had not sealed the cricket on the chimney well enough. Discovered water coming in and eventually rotting the wallboard, studs, etc. Had to replace entire wall. Called them about the issue, they sent a rep. He said it was the chimney's fault, it was leaking. Not so, opened the wall and ceiling and had another roofer come spray water on the chimney, nothing, no leak. Then sprayed water on the cricket, water came in. Exterior Medics would not admit any fault. Had it repaired, no leak, no problem since then. Had recommended to a friend, never gain, he also had a bad experience. DO NOT USE IF YOU WANT QUALITY WORK AND A COMPANY HAT STANDS BEHIND THEIR WORK."

Peter K on January 2025

Exterior Medics is a premier home remodeling company, specializing in exterior replacement and repairs for both commercial and residential properties. When it comes to service and execution, we are unmatched. We've earned the Angie's List Super Service Award for 8 consecutive years, and are among just 2% of contractors nationwide to earn the GAF Master Elite status. Our team handles every project with utmost care and a laser-focused attention to detail. We consider every home we touch to be a reflection of our high standards, and treat every homeowner like a beloved member of our own family. Bonded and well insured. Licensed in both Maryland and Virginia.

"Spent ~$50,000 on a new roof with them. Thought everything went well. Years later discovered that they had not sealed the cricket on the chimney well enough. Discovered water coming in and eventually rotting the wallboard, studs, etc. Had to replace entire wall. Called them about the issue, they sent a rep. He said it was the chimney's fault, it was leaking. Not so, opened the wall and ceiling and had another roofer come spray water on the chimney, nothing, no leak. Then sprayed water on the cricket, water came in. Exterior Medics would not admit any fault. Had it repaired, no leak, no problem since then. Had recommended to a friend, never gain, he also had a bad experience. DO NOT USE IF YOU WANT QUALITY WORK AND A COMPANY HAT STANDS BEHIND THEIR WORK."

Peter K on January 2025


Avatar for Home Genius Exteriors
Home Genius Exteriors
8201 Corporate Dr.
4.85(
238
)
Approved Pro
Home Genius Exteriors
8201 Corporate Dr.
4.85(
238
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
5613 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!

"The sales rep did a great job of ensuring operations went smoothly. Both the roof and gutters came out wonderful & I'm proud to be the first owner of Timbersteel through this company. We are currently going through extremely trying times and the project manager Dylan met me at the house the day of material delivery with flowers and a positive attitude that made me confident everything would be done correctly. They went above and beyond to make sure we felt like family rather than customers and it was beyond appreciated."

Denise P on March 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!

"The sales rep did a great job of ensuring operations went smoothly. Both the roof and gutters came out wonderful & I'm proud to be the first owner of Timbersteel through this company. We are currently going through extremely trying times and the project manager Dylan met me at the house the day of material delivery with flowers and a positive attitude that made me confident everything would be done correctly. They went above and beyond to make sure we felt like family rather than customers and it was beyond appreciated."

Denise P on March 2025

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Roof sealant applications FAQs

A roof coating system lasts between 10 and 20 years. With a premium coating and regular maintenance—like inspections and touch-ups—your roof will stay protected against weather damage and water intrusion. This enhances its durability and preserves its structural integrity throughout its lifespan. Make sure to keep in contact with a roof coating pro so that you don’t miss regulating resealing. 

You should recoat or reseal your roof every four to six years. Maintaining a consistent recoating schedule preserves the integrity of the protective seal and prevents moisture penetration and material degradation. High-quality, built-up roof systems require this interval, and if an EPDM roof begins to leak, replacing the coating becomes necessary to restore full protection.

A roof coating can seal small cracks and stop minor water infiltration, helping to prevent roof leaks. While the coating enhances the roof’s durability and prevents early signs of leakage, it does not replace the need for full-scale repairs when substantial structural damage exists. Professional evaluation and repair are required to resolve significant water intrusion and ensure your roof retains long-lasting protection.

The homeowners guide to roof sealant applications
From average costs to expert advice, get all the answers you need to get your job done.
standing seam metal roof on a house
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