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Natural slate roofing repairers in Williamstown

Avatar for Construction First Choice, LLC

Construction First Choice, LLC

194 Woodside Avenue
4.87(
78
)
Approved Pro

Construction First Choice, LLC

194 Woodside Avenue
4.87(
78
)
Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
21 local quotes requested

Welcome to Andrew Construction NJ, LLC! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Wonderful to work with, fast, quality concrete/stucco work. Excellent job highly recommend."

Craig C on September 2024

Welcome to Andrew Construction NJ, LLC! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Wonderful to work with, fast, quality concrete/stucco work. Excellent job highly recommend."

Craig C on September 2024


Avatar for Crudellos, LLC

Crudellos, LLC

471 Abbott Ave
4.85(
68
)
Approved Pro

Crudellos, LLC

471 Abbott Ave
4.85(
68
)
Approved Pro
Super Service Award
Customers say: True professional
57 local quotes requested
11 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. Specializing in roofing, chimneys, masonry, and gutters. Crudellos' employees strive to be fast, clean, and fair, generally working long hours in formidable weather all year long. Focusing on building relations and foundations with customers to achieve repeat services and referrals.

"Complete roof done with all new wood. Professional, courteous, cleaned up as they were going along. Would highly recommend. "

Valerie M on August 2025

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Specializing in roofing, chimneys, masonry, and gutters. Crudellos' employees strive to be fast, clean, and fair, generally working long hours in formidable weather all year long. Focusing on building relations and foundations with customers to achieve repeat services and referrals.

"Complete roof done with all new wood. Professional, courteous, cleaned up as they were going along. Would highly recommend. "

Valerie M on August 2025


5 Star Renovations, LLC

67 Sherwood Avenue
4.94(
61
)
Approved Pro

5 Star Renovations, LLC

67 Sherwood Avenue
4.94(
61
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
56 local quotes requested

5 star renovations LLC 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.

"Geni and his brother Arjan were very responsive when I requested a fascia repair along my roof line. They called me back within minutes. Came the next morning for an estimate. And completed the work that afternoon! Neat, professional and I would highly recommend them for future work."

Dan I on June 2025

5 star renovations LLC 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.

"Geni and his brother Arjan were very responsive when I requested a fascia repair along my roof line. They called me back within minutes. Came the next morning for an estimate. And completed the work that afternoon! Neat, professional and I would highly recommend them for future work."

Dan I on June 2025


Avatar for Grendi Construction, LLC

Grendi Construction, LLC

391 Passaic Ave
4.96(
119
)
Approved Pro

Grendi Construction, LLC

391 Passaic Ave
4.96(
119
)
Approved Pro
Super Service Award
Customers say: True professional
126 local quotes requested
13 years of experience

Grendi Construction LLC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.

"The pro showed up right away to evaluate the problem with our attic The pro came the same day I called for problems with our attic fan. He explained all of the issues to us and then the actual service was scheduled for the next day. When the service was completed he again explained what was done, showed phone pictures of the new installation and encouraged us to call for questions we might have."

Debra W on August 2025

Grendi Construction LLC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.

"The pro showed up right away to evaluate the problem with our attic The pro came the same day I called for problems with our attic fan. He explained all of the issues to us and then the actual service was scheduled for the next day. When the service was completed he again explained what was done, showed phone pictures of the new installation and encouraged us to call for questions we might have."

Debra W on August 2025


Avatar for Home Genius Exteriors

Home Genius Exteriors

2050 Springdale Road, Suite 500
4.85(
241
)
Approved Pro

Home Genius Exteriors

2050 Springdale Road, Suite 500
4.85(
241
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
813 local quotes requested

Elevate your home with Home Genius Exteriors, setting the standard in Cherry Hill 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!

"Home Genius provided a great experience for us. Joe walked us through the process. Everything went very smoothly and was clean and efficient."

Phyllis H on March 2025

Elevate your home with Home Genius Exteriors, setting the standard in Cherry Hill 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!

"Home Genius provided a great experience for us. Joe walked us through the process. Everything went very smoothly and was clean and efficient."

Phyllis H on March 2025


Avatar for Premium Exteriors NJ, LLC

Premium Exteriors NJ, LLC

1196 High Mountain Rd
4.96(
67
)
Approved Pro

Premium Exteriors NJ, LLC

1196 High Mountain Rd
4.96(
67
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
44 local quotes requested

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.

"Dori and the work performed by this company was amazing!!! Dori was extremely responsive when I would contact him He was very detailed and explained everything well. Also was very reasonable, flexible and prompt turnaround for the project and went above and beyond by cleaning dirt buildup behind my gutters I was going to clean myself!!! Highly recommend!!!"

James K on August 2025

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.

"Dori and the work performed by this company was amazing!!! Dori was extremely responsive when I would contact him He was very detailed and explained everything well. Also was very reasonable, flexible and prompt turnaround for the project and went above and beyond by cleaning dirt buildup behind my gutters I was going to clean myself!!! Highly recommend!!!"

James K on August 2025


Avatar for Powerful Construction LLC

Powerful Construction LLC

22 Corabelle Ave
4.99(
70
)
Approved Pro

Powerful Construction LLC

22 Corabelle Ave
4.99(
70
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
50 local quotes requested

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We specialize in Roofing New&Repairs,Chimney New&Repairs. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"Excellent work was done by Powerful Construction building our new roof. When they were finished, the crew left the job site immaculate, was pleasant, and speedy. The roof looks fantastic, and already we have observed changes in energy savings."

Deborah A on October 2024

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We specialize in Roofing New&Repairs,Chimney New&Repairs. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"Excellent work was done by Powerful Construction building our new roof. When they were finished, the crew left the job site immaculate, was pleasant, and speedy. The roof looks fantastic, and already we have observed changes in energy savings."

Deborah A on October 2024


Avatar for A1 Gutters, LLC

A1 Gutters, LLC

159 Frederick Street
4.85(
46
)
Approved Pro

A1 Gutters, LLC

159 Frederick Street
4.85(
46
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
47 local quotes requested

At A1 Gutters, we focus on quality projects over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.

"gutters they did well but not for the painting"

Dennis K on April 2025

At A1 Gutters, we focus on quality projects over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.

"gutters they did well but not for the painting"

Dennis K on April 2025


Avatar for AMJ Contractors, LLC

AMJ Contractors, LLC

3339 South Black Horse Pike
4.83(
89
)
Approved Pro

AMJ Contractors, LLC

3339 South Black Horse Pike
4.83(
89
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
24 years of experience

AMJ Contractors, LLC, in business since 2001,is your locally owned and operated roofing business. We have many years of experience to give you confidence that we are your number one choice for your next home or business roofing project. Call us today and we look forward to your future business! Fully Licensed,Insured,and Bonded!We accept credit cards.

"Excellent craftsmanship and friendly service. I highly recommend AMJ."

Andrew D on May 2025

AMJ Contractors, LLC, in business since 2001,is your locally owned and operated roofing business. We have many years of experience to give you confidence that we are your number one choice for your next home or business roofing project. Call us today and we look forward to your future business! Fully Licensed,Insured,and Bonded!We accept credit cards.

"Excellent craftsmanship and friendly service. I highly recommend AMJ."

Andrew D on May 2025


Avatar for Duke's Roofing

Duke's Roofing

710 Iroquois Avenue
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Duke's Roofing

710 Iroquois Avenue
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
1015 local quotes requested
Free onsite estimate

At Duke's Roofing, we’re proud to be a family-owned and operated business serving homeowners and businesses across all counties in New Jersey from our home base in Egg Harbor Township. With over 10 years of hands-on experience, we specialize in residential roofing, siding, gutters, storm and hail damage repair, and windows—providing complete exterior solutions built to last. OWENS CORNING PREFERRED CONTRACTOR Creators of “Name Your Price” program- The Lowest Price Guaranteed on Premium Materials w. Lifetime warranty or WE PAY YOU!

At Duke's Roofing, we’re proud to be a family-owned and operated business serving homeowners and businesses across all counties in New Jersey from our home base in Egg Harbor Township. With over 10 years of hands-on experience, we specialize in residential roofing, siding, gutters, storm and hail damage repair, and windows—providing complete exterior solutions built to last. OWENS CORNING PREFERRED CONTRACTOR Creators of “Name Your Price” program- The Lowest Price Guaranteed on Premium Materials w. Lifetime warranty or WE PAY YOU!

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FAQs for natural slate roofing repair projects in Williamstown, NJ

If more than 30% of your slate roof is damaged, it's time to consider a full replacement. This will prevent further deterioration and avoid costly recurring repairs. A professional slate inspection (costing between $130 and $360) can confirm whether repairs are sufficient or if a full roof replacement is the better option.

A slate roof can last anywhere from 60 to 150 years, depending on factors like installation quality, regular maintenance and repairs, and local weather conditions. Compared to materials like clay and concrete, which often last around 50 years, a well-maintained slate roof offers superior longevity, durability, and long-lasting aesthetic appeal.

Yes, you can use temporary patch solutions, such as roofing cement or patchwork, to provide immediate relief for minor leaks or underlayment issues observed from inside your home. However, these provisional fixes do not replace the need for a permanent, professional exterior repair, which is necessary to ensure the long-term integrity and weather resistance of your slate roof.

The Williamstown, NJ homeowners’ guide to natural slate roofing repairs

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

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