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Roof sealant application pros in Diamond Bar

Universe Roofing, Inc.
5127 Northwood Avenue
4.17(
3
)
Approved Pro
Universe Roofing, Inc.
5127 Northwood Avenue
4.17(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
40 years of experience

We have being in commercial and residential roofing business since 1985 and our commitment to our customers is to delivered high quality workmanship and a high quality finished products. The roof is an extremely valuable part of your home or business. At Universe Roofing, Inc., we are experts in the roofing industry and have the necessary knowledge and experience to solve all your roofing problems. Our objective is to satisfy each customer by completing their roofing project with quality, dedication and integrity. Every roofing job is approached as if your home is our home. We make sure the job gets done correctly the first time.

"Was very forth coming about the problem. Fixed additional problems that he saw while here. Told by roofer from insurance company that there weren't any! Very happy with him!!"

Brenda G on January 2015

We have being in commercial and residential roofing business since 1985 and our commitment to our customers is to delivered high quality workmanship and a high quality finished products. The roof is an extremely valuable part of your home or business. At Universe Roofing, Inc., we are experts in the roofing industry and have the necessary knowledge and experience to solve all your roofing problems. Our objective is to satisfy each customer by completing their roofing project with quality, dedication and integrity. Every roofing job is approached as if your home is our home. We make sure the job gets done correctly the first time.

"Was very forth coming about the problem. Fixed additional problems that he saw while here. Told by roofer from insurance company that there weren't any! Very happy with him!!"

Brenda G on January 2015


Avatar for All Pro Construction Services
All Pro Construction Services
657 WEST 34TH ST
4.80(
25
)
Approved Pro
All Pro Construction Services
657 WEST 34TH ST
4.80(
25
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
42 local quotes requested

All Pro Construction Services 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 responsive and excellent follow through. You can count on this company. I'd hire them again."

Kathleen P on November 2024

All Pro Construction Services 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 responsive and excellent follow through. You can count on this company. I'd hire them again."

Kathleen P on November 2024


Avatar for Frontline Roofing, Inc.
Frontline Roofing, Inc.
31796 Casino Drive, Suite J
4.59(
28
)
Approved Pro
Frontline Roofing, Inc.
31796 Casino Drive, Suite J
4.59(
28
)
Approved Pro
Customers say: True professional
294 local quotes requested
5 years of experience

At FRONTLINE ROOFING INC, we're all about delivering top-notch quality in everything we do. Our values are simple yet powerful: fairness, honesty, and taking personal responsibility. What truly makes us stand out is our dedication to not just meeting, but exceeding customer expectations.But above all, it's our genuine care for our customers that drives us: we listen, we understand, and we make sure their needs are at the heart of everything we do.

"They came out, inspected the roof and provided a quote. I signed off on the contract and was told that it would be 7-10 days for the materials to come in and that we would get a call to set up the repair appointment. Two weeks later we'd heard nothing and when I called I was informed that they actually could not do the repair. This had been determined within two days of my signature on the contract and I NEVER received any kind of notification. So now, the roof is still leaking and I'm back to square one. While they were pleasant to deal with, the lack of communication is completely unacceptable."

Erin F on February 2025

At FRONTLINE ROOFING INC, we're all about delivering top-notch quality in everything we do. Our values are simple yet powerful: fairness, honesty, and taking personal responsibility. What truly makes us stand out is our dedication to not just meeting, but exceeding customer expectations.But above all, it's our genuine care for our customers that drives us: we listen, we understand, and we make sure their needs are at the heart of everything we do.

"They came out, inspected the roof and provided a quote. I signed off on the contract and was told that it would be 7-10 days for the materials to come in and that we would get a call to set up the repair appointment. Two weeks later we'd heard nothing and when I called I was informed that they actually could not do the repair. This had been determined within two days of my signature on the contract and I NEVER received any kind of notification. So now, the roof is still leaking and I'm back to square one. While they were pleasant to deal with, the lack of communication is completely unacceptable."

Erin F on February 2025


Avatar for California Roof Experts
California Roof Experts
9825 Magnolia Ave. Suite B
4.91(
259
)
Approved Pro
California Roof Experts
9825 Magnolia Ave. Suite B
4.91(
259
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
29 local quotes requested

California Roof Experts, is a well-established company in Riverside, which serves the surrounding communities too. We offer the best in customer care, as well as professionalism. Our company prides itself on integrity, so our work replicates this as well. Call us for your next job.

"Great work, fair price. Showed up on time, finished on time, explained the process to me. No hard sales approach, which I really appreciated. I recommend this family-owned business."

David R on March 2025

California Roof Experts, is a well-established company in Riverside, which serves the surrounding communities too. We offer the best in customer care, as well as professionalism. Our company prides itself on integrity, so our work replicates this as well. Call us for your next job.

"Great work, fair price. Showed up on time, finished on time, explained the process to me. No hard sales approach, which I really appreciated. I recommend this family-owned business."

David R on March 2025


Avatar for Parks Roofing & Painting, Inc.
Parks Roofing & Painting, Inc.
1048 Irvine Ave #240
4.97(
88
)
Approved Pro
Parks Roofing & Painting, Inc.
1048 Irvine Ave #240
4.97(
88
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
47 local quotes requested

Parks Roofing & Painting, Inc. is here to help! We offer a variety of roofing repair services. We are based out of the Newport Beach, CA area. Give our team a call today. We're looking forward to working with you!

"Very responsive. Accurately diagnosed the problem and fixed the roof leak without delay. Would consider using them for future work."

TERRY S on January 2023

Parks Roofing & Painting, Inc. is here to help! We offer a variety of roofing repair services. We are based out of the Newport Beach, CA area. Give our team a call today. We're looking forward to working with you!

"Very responsive. Accurately diagnosed the problem and fixed the roof leak without delay. Would consider using them for future work."

TERRY S on January 2023


Avatar for Bartley Corrigan
Bartley Corrigan
1105 S Euclid Street #212
4.78(
39
)
Approved Pro
Bartley Corrigan
1105 S Euclid Street #212
4.78(
39
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
36 local quotes requested

With over 30 years of experience, we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. // Cash & Check & Zelle & Venmo

"Great service, owner and employees were professional, on time, polite, and provided service as promised. Great price and service."

Judy H on March 2025

With over 30 years of experience, we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. // Cash & Check & Zelle & Venmo

"Great service, owner and employees were professional, on time, polite, and provided service as promised. Great price and service."

Judy H on March 2025


Cal State Roofing
702 Monroe Way
4.33(
90
)
Approved Pro
Cal State Roofing
702 Monroe Way
4.33(
90
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
39 years of experience

Cal State Roofing is a family-owned and -operated business. We take pride in every job we do and guarantee 100% customer satisfaction. Call now for a free estimate! No job is too large or too small. We will meet or beat any company's price as long as we are matching apples to apples.. Just Call for your free Estimate

"Partial replacement of flat roof hot mopped, professionally completed. I would hire again if necessary."

Lloyd B on March 2020

Cal State Roofing is a family-owned and -operated business. We take pride in every job we do and guarantee 100% customer satisfaction. Call now for a free estimate! No job is too large or too small. We will meet or beat any company's price as long as we are matching apples to apples.. Just Call for your free Estimate

"Partial replacement of flat roof hot mopped, professionally completed. I would hire again if necessary."

Lloyd B on March 2020


Avatar for Golden Star Development, Inc.
Golden Star Development, Inc.
8721 Nogal Ave
4.50(
47
)
Approved Pro
Golden Star Development, Inc.
8721 Nogal Ave
4.50(
47
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
19 years of experience

Golden Star Development, Inc., is a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of roofing and remodeling services at competitive pricing and guarantee your satisfaction! We look forward to servicing you and your families needs for years to come!

"I would recommend this company to anyone they are fair for the pricing, very professional, courteous, and respond upon a request. This company deserves a 10."

David M on November 2022

Golden Star Development, Inc., is a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of roofing and remodeling services at competitive pricing and guarantee your satisfaction! We look forward to servicing you and your families needs for years to come!

"I would recommend this company to anyone they are fair for the pricing, very professional, courteous, and respond upon a request. This company deserves a 10."

David M on November 2022


Avatar for Confirmed Roofing Experts
Confirmed Roofing Experts
6442 Platt Ave Suite 343
5.00(
21
)
Approved Pro
Confirmed Roofing Experts
6442 Platt Ave Suite 343
5.00(
21
)
Approved Pro
Customers say: Quick response
182 local quotes requested
1 years of experience

welcome to confirmed roofing experts We are a locally owned and operated company that values honesty and integrity, treating your home with the same care and respect as we would do to our own home. We offer a variety of roofing services like roof repair ,roof replacement ,tile roof reset , roof patch , metal roofs installations, commercial roofing ,roof inspections ,roof seal ,roof coating ,roof maintenance and more. We pride ourselves on offering competitive pricing and affordable solutions while maintaining a keen attention to details on every project we undertake. we are committed to ensuring your complete satisfaction! call today to schedule your free estimate 888 - 576 -4820 !

"I had my old roof replaced by Confirmed Roofing Experts, and the entire experience was exceptional. On was very professional, and the crew was highly skilled. The new roof installation was completed on schedule, and the final result is stunning. I highly recommend their services!"

Deborah Ann C on May 2025

welcome to confirmed roofing experts We are a locally owned and operated company that values honesty and integrity, treating your home with the same care and respect as we would do to our own home. We offer a variety of roofing services like roof repair ,roof replacement ,tile roof reset , roof patch , metal roofs installations, commercial roofing ,roof inspections ,roof seal ,roof coating ,roof maintenance and more. We pride ourselves on offering competitive pricing and affordable solutions while maintaining a keen attention to details on every project we undertake. we are committed to ensuring your complete satisfaction! call today to schedule your free estimate 888 - 576 -4820 !

"I had my old roof replaced by Confirmed Roofing Experts, and the entire experience was exceptional. On was very professional, and the crew was highly skilled. The new roof installation was completed on schedule, and the final result is stunning. I highly recommend their services!"

Deborah Ann C on May 2025


Avatar for PREMIER ROOFING SOLUTIONS INC
PREMIER ROOFING SOLUTIONS INC
10219 Omelveny Ave 1/2
New on HomeAdvisorNew on Angi
Approved Pro
PREMIER ROOFING SOLUTIONS INC
10219 Omelveny Ave 1/2
New on AngiNew on HomeAdvisor
Approved Pro
1 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

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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
Apr 30, 2025
Apr 30, 2025
Budget for standing seam metal roof costs based on factors such as roof size, metal type, lock type, panel width, accessibility, permits, labor, and more.
flat roof home with rubber membrane roofing installed
Apr 29, 2025
Apr 29, 2025
Budget for rubber roof costs based on factors such as roof size, pitch, membrane type, labor, permits, accessibility, installation system, removal, and more.
professional spreading sealant on flat roof with roller
Apr 25, 2025
Apr 25, 2025
Roof coating costs depend on the type of coating you choose. Options include silicone, bitumen, acrylic, and liquid rubber, among others.
professional installing flat roof on home
Apr 27, 2025
Apr 27, 2025
Budget for flat roof replacement costs based on factors such as roof type, material, potential repairs, labor, accessibility, and more.
A dark roof on a brick house
Apr 22, 2025
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Budget for spray foam roofing costs based on factors such as foam density, cell type, materials, permits, overages, labor, and more.
A house with slate roof tiles
Apr 18, 2025
Apr 18, 2025
Budget for slate roof repair costs based on factors such as project size, type of repairs required, materials, labor, ongoing maintenance, and more.
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