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Find Roof sealant application pros in Princeton

Guinness Pro NJ

4.97(
117
)
Approved Pro

Guinness Pro NJ

4.97(
117
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
24 local quotes requested

Guinness Pro Construction LLC family owned and operated,licensed and bonded,passing on generations now,We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project,with more than 500 happy customers in all over NJ,our secret and speciality is professionalism and quality on every single job we take.

"They repaired my roof few months ago due to a bad leak I had ,ever since no more water coming into the house"

Jillian P on June 2024

Guinness Pro Construction LLC family owned and operated,licensed and bonded,passing on generations now,We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project,with more than 500 happy customers in all over NJ,our secret and speciality is professionalism and quality on every single job we take.

"They repaired my roof few months ago due to a bad leak I had ,ever since no more water coming into the house"

Jillian P on June 2024


Avatar for Union Roofing Contractors, Inc.

Union Roofing Contractors, Inc.

4.14(
63
)
Approved Pro

Union Roofing Contractors, Inc.

4.14(
63
)
Approved Pro
Customers say: Quick response
113 local quotes requested
44 years of experience

Union Roofing Contractors, Inc. is a family owned business, that has been in business for over 30 years under the same name. We are members of Local 30 and can ensure that you will receive nothing but TOP quality workmanship, completed by our Union employees.

"Great job wee done"

Tamara B on March 2024

Union Roofing Contractors, Inc. is a family owned business, that has been in business for over 30 years under the same name. We are members of Local 30 and can ensure that you will receive nothing but TOP quality workmanship, completed by our Union employees.

"Great job wee done"

Tamara B on March 2024


Avatar for Seci General Construction, Inc.

Seci General Construction, Inc.

4.79(
115
)
Approved Pro

Seci General Construction, Inc.

4.79(
115
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
15 local quotes requested

At Seci General Construction, Inc., we proudly serve Clifton and surrounding areas. We pride ourselves on our ability to take on any project, large or small, residential or commercial. We make sure, when completing each project, that our customers needs and wants are fully in mind. We aim to exceed their expectations to ensure a lifelong customer. We complete each project cleanly, on time and done right the first time. Contact us for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers. We also offer financing.

"I selected SECI Construction from a list of 3 provided by Angi's List. It was the last contractor that I interviewed, on April 15, 2025. Although the estimates from contractors #1 and #3 were close, I chose SECI Construction, contractor #3. Contractor #2 was too low, I thought, and didn't give me a comfortable feeling. All contractors inspected the attic, but only the SECI rep, who was also the supervisor of the job, went on the roof and did a thorough inspection. We spent about 3 hours going over the details of the project, after which he gave me a price of $10,000 for the complete job, which would include up to 192 sq ft of plywood to replace any damaged wood. I charged $3000 on my credit card as a down payment. The crew chief arrived on Tuesday, Aprill 22, 2025, at about 7:00 am, while the rest of the work crew arrived by 7:30 am. They placed tarps around most the house to protect the shrubbery from falling debris. The project supervisor arrived later. The asphalt shingles and vapor barrier had been removed down the wood by about 12:30 pm. It was then that the project supervisor came to tell me that some of the existing wood, which is 3/4" tongue and groove, was starting to come up at the joints, and would splinter if more nails were put into it. Walking on it, he said, it did not feel very secure. At no time during our original 3-hour discussion did he mention this possibility, given the age of the home, nor did he give me any indication that he suspected this during his inspection while on the roof or in the attic. He offered 2 solutions: the first was to tear off all of the existing wood, down to the rafters, and replace it with plywood. This would be the more expensive of the two, and he didn't think all of the work would be completed that day. The second was to make any necessary repairs to the existing wood, then cover the whole roof with plywood. He said that, should I decide to install the new asphalt shingles on top of the existing wood, chances were that I would need a new roof much sooner than if I followed one of his solutions. My impression of the roof from ground level was that it looked sound, especially since it had not been leaking. Even when I examined sections of the old wood after his crew began making repairs, I didn't see anything that couldn't continue to be used. I felt coerced into going along with his second solution, which I finally agreed to. The additional work amounted to about $8800, even with some discounts, as well as masonry and flashing work, which he said he did at no additional cost. This additional work also included a surcharge for using my credit card, only making matters worse. When I called the office to complain, a salesperson told me that he would only be able to give me a 10% discount, which, he said, the project supervisor had already done. When I asked who was above him, I was told it was the owner. When I asked to speak to the owner, the salesperson told me that he would relay my story to the owner, and that the owner would speak to the supervisor. The supervisor told me the next day that the owner was upset with him for giving me the discounts he gave me. The crew was totally professional, working together as a team that obviously knew what they were doing. I have nothing but praise for them and their crew chief, who worked right alongside them."

Orlando M on July 2025

At Seci General Construction, Inc., we proudly serve Clifton and surrounding areas. We pride ourselves on our ability to take on any project, large or small, residential or commercial. We make sure, when completing each project, that our customers needs and wants are fully in mind. We aim to exceed their expectations to ensure a lifelong customer. We complete each project cleanly, on time and done right the first time. Contact us for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers. We also offer financing.

"I selected SECI Construction from a list of 3 provided by Angi's List. It was the last contractor that I interviewed, on April 15, 2025. Although the estimates from contractors #1 and #3 were close, I chose SECI Construction, contractor #3. Contractor #2 was too low, I thought, and didn't give me a comfortable feeling. All contractors inspected the attic, but only the SECI rep, who was also the supervisor of the job, went on the roof and did a thorough inspection. We spent about 3 hours going over the details of the project, after which he gave me a price of $10,000 for the complete job, which would include up to 192 sq ft of plywood to replace any damaged wood. I charged $3000 on my credit card as a down payment. The crew chief arrived on Tuesday, Aprill 22, 2025, at about 7:00 am, while the rest of the work crew arrived by 7:30 am. They placed tarps around most the house to protect the shrubbery from falling debris. The project supervisor arrived later. The asphalt shingles and vapor barrier had been removed down the wood by about 12:30 pm. It was then that the project supervisor came to tell me that some of the existing wood, which is 3/4" tongue and groove, was starting to come up at the joints, and would splinter if more nails were put into it. Walking on it, he said, it did not feel very secure. At no time during our original 3-hour discussion did he mention this possibility, given the age of the home, nor did he give me any indication that he suspected this during his inspection while on the roof or in the attic. He offered 2 solutions: the first was to tear off all of the existing wood, down to the rafters, and replace it with plywood. This would be the more expensive of the two, and he didn't think all of the work would be completed that day. The second was to make any necessary repairs to the existing wood, then cover the whole roof with plywood. He said that, should I decide to install the new asphalt shingles on top of the existing wood, chances were that I would need a new roof much sooner than if I followed one of his solutions. My impression of the roof from ground level was that it looked sound, especially since it had not been leaking. Even when I examined sections of the old wood after his crew began making repairs, I didn't see anything that couldn't continue to be used. I felt coerced into going along with his second solution, which I finally agreed to. The additional work amounted to about $8800, even with some discounts, as well as masonry and flashing work, which he said he did at no additional cost. This additional work also included a surcharge for using my credit card, only making matters worse. When I called the office to complain, a salesperson told me that he would only be able to give me a 10% discount, which, he said, the project supervisor had already done. When I asked who was above him, I was told it was the owner. When I asked to speak to the owner, the salesperson told me that he would relay my story to the owner, and that the owner would speak to the supervisor. The supervisor told me the next day that the owner was upset with him for giving me the discounts he gave me. The crew was totally professional, working together as a team that obviously knew what they were doing. I have nothing but praise for them and their crew chief, who worked right alongside them."

Orlando M on July 2025


Avatar for Priority One Construction

Priority One Construction

4.94(
174
)
Approved Pro

Priority One Construction

4.94(
174
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
23 local quotes requested

We're a locally owned and operated company that values honesty and integrity and treats your home or business as if it were our own. We are experts in all aspects of roofing projects and our services are customizable to each individual project. We specialize in both installations and replacements. 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 guarantee your satisfaction!

"Very professional, reasonable cost, quality workmanship."

Joe M on November 2024

We're a locally owned and operated company that values honesty and integrity and treats your home or business as if it were our own. We are experts in all aspects of roofing projects and our services are customizable to each individual project. We specialize in both installations and replacements. 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 guarantee your satisfaction!

"Very professional, reasonable cost, quality workmanship."

Joe M on November 2024


Avatar for Home Genius Exteriors

Home Genius Exteriors

4.90(
243
)
Approved Pro

Home Genius Exteriors

4.90(
243
)
Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
21 years of experience

Elevate your home with Home Genius Exteriors, setting the standard in New Jersey 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!

"Very good job. Extremely well done siding project with an experienced and thorough crew. The job was done despite there being a snow storm in the middle of it. Everyone was prompt to let me know what was going on. At the end of the project my project manager Taylor did a very detail-oriented walk-through. I couldnt have had a better experience. Loved every minute of it and the results definitely show."

Raymond M on January 2025

Elevate your home with Home Genius Exteriors, setting the standard in New Jersey 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!

"Very good job. Extremely well done siding project with an experienced and thorough crew. The job was done despite there being a snow storm in the middle of it. Everyone was prompt to let me know what was going on. At the end of the project my project manager Taylor did a very detail-oriented walk-through. I couldnt have had a better experience. Loved every minute of it and the results definitely show."

Raymond M on January 2025


Avatar for Home Genius Exteriors

Home Genius Exteriors

4.90(
39
)
Approved Pro

Home Genius Exteriors

4.90(
39
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
659 local quotes requested

Elevate your home with Home Genius Exteriors, setting the standard in New Jersey 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!

"I'm surprised how quick the crew was with finishing up. Everything was clean and tidy by the end of it. My neighbors are already giving me compliments on the new siding. I'm very impressed. Thanks home genius."

George T on December 2024

Elevate your home with Home Genius Exteriors, setting the standard in New Jersey 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!

"I'm surprised how quick the crew was with finishing up. Everything was clean and tidy by the end of it. My neighbors are already giving me compliments on the new siding. I'm very impressed. Thanks home genius."

George T on December 2024


Avatar for Master Pro Construction

Master Pro Construction

4.97(
745
)
Approved Pro

Master Pro Construction

4.97(
745
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
15 years of experience

Master Pro Construction 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 the 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. Give us a call today and find out why so many customers love working with us!

"I am very happy with the siding repair done by Master Pro Construction. They gave me a fair estimate and explained exactly what needed to be done. They arrived up on time and worked efficiently. The siding looks amazing, and they left my yard spotless. I am very happy with the quality of their work and would highly recommend them to anyone."

Mia S on November 2024

Master Pro Construction 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 the 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. Give us a call today and find out why so many customers love working with us!

"I am very happy with the siding repair done by Master Pro Construction. They gave me a fair estimate and explained exactly what needed to be done. They arrived up on time and worked efficiently. The siding looks amazing, and they left my yard spotless. I am very happy with the quality of their work and would highly recommend them to anyone."

Mia S on November 2024


Avatar for Front Line Roofing, LLC

Front Line Roofing, LLC

4.97(
45
)
Approved Pro

Front Line Roofing, LLC

4.97(
45
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 local quotes requested

Front Line Roofing 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.

"I needed front roof shingles repaired quickly.Rony from Frontline Roofing was quick to give me a free estimate and a full explanation of the project plu a job date (with an alternative date if rain delay). Rony , was courteous and confident in repairing the roof ,as well as reviewing the repair with me after the project was completed.Thank you ."

Vinny J on March 2024

Front Line Roofing 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.

"I needed front roof shingles repaired quickly.Rony from Frontline Roofing was quick to give me a free estimate and a full explanation of the project plu a job date (with an alternative date if rain delay). Rony , was courteous and confident in repairing the roof ,as well as reviewing the repair with me after the project was completed.Thank you ."

Vinny J on March 2024


Avatar for Guinness Pro Construction LLC

Guinness Pro Construction LLC

4.97(
118
)
Approved Pro

Guinness Pro Construction LLC

4.97(
118
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
38 local quotes requested

Guinness Pro Construction LLC family owned and operated,licensed and bonded,passing on generations now,We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project,with more than 500 happy customers in all over NJ,our secret and speciality is professionalism and quality on every single job we take.

"Our pavers were old and growing weeds between joints - Guinness Pro did a great job at a very good price on making them look great again !"

Robert B on November 2024

Guinness Pro Construction LLC family owned and operated,licensed and bonded,passing on generations now,We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project,with more than 500 happy customers in all over NJ,our secret and speciality is professionalism and quality on every single job we take.

"Our pavers were old and growing weeds between joints - Guinness Pro did a great job at a very good price on making them look great again !"

Robert B on November 2024


Avatar for Grand NJ Construction, LLC

Grand NJ Construction, LLC

4.98(
96
)
Approved Pro

Grand NJ Construction, LLC

4.98(
96
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
11 local quotes requested

We pride our company on reliability, great communication, integrity and quality work. We are experts in our Roofing and Masonry Repairs and will do our best to keep you as educated as we can on your particular task or project. We look forward to working with you.

"I chose Tony to do my roof repair, and I am really glad I did. After removing the shingles, he discovered more damage underneath and explained everything clearly. We decided to move forward with the full repair, and he was honest, helpful, and professional throughout the entire process. Big thanks to Tony and his crew for doing a great job!"

erlin b on July 2025

We pride our company on reliability, great communication, integrity and quality work. We are experts in our Roofing and Masonry Repairs and will do our best to keep you as educated as we can on your particular task or project. We look forward to working with you.

"I chose Tony to do my roof repair, and I am really glad I did. After removing the shingles, he discovered more damage underneath and explained everything clearly. We decided to move forward with the full repair, and he was honest, helpful, and professional throughout the entire process. Big thanks to Tony and his crew for doing a great job!"

erlin b on July 2025

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FAQs for roof sealant application projects in Princeton, NJ

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 Princeton, NJ homeowners’ guide to roof sealant applications

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