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Top-Rated Natural slate roofing repairers in Mullica Hill - Updated Nov 2026

Avatar for J.W. Tull Contracting LLC
J.W. Tull Contracting LLC
4.6(
20
)
Natural Slate Roofing - Repair

Serving Mullica Hill, NJ and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"From the first estimate with Harry, to interactions with Jason and finally the team that replaced my roof - everything went very smoothly and my roof looks fantastic. I had received 4 estimates for this work and J.W. Tull matched the lowest bid I received and also upgraded the shingles to CertainTeed Shingles. Turnaround time from estimate to roof completion was 6 days. The first day my roof was torn off, plank replacement where necessary, and shingle application. The roofing team work very efficiently and arrived at 8 am and worked through until 730 pm on the first day. The second day the team installed the rest of the roof, including a dormer that needed flat roof installation. When finished the team cleaned my yard up and ran the magnet in all surrounding areas. This morning you would never know they had been there the last two days as my yard was immaculate. Jason, thanks to you and your team for all your efforts - I love the roof!"
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+35

Response time1 day
3 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.7(
299
)
Natural Slate Roofing - Repair

Serving Mullica Hill, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Emergency services offered

"As in my previous review with my first house, HGE roof and gutters comes highly recommended! Especially for anyone who has had to contend with contractor "ghosting"! In our experience, HGE "hit it out of the park" on the my first and then again on the second house a week later! The professionalism and workmanship of the roofing and gutter team, was top of the line. They wrapped up in a couple of days, fulfilling on their promised - "turn-around", delivering a high quality roof and gutter system. We couldn't be more pleased with the results at both homes! Where we did have an issue, HGE's Project Coordinator Emily D. owned the problem through to resolution! There was some driveway damage when the dumpster was delivered at the second home. And when I sent the picture to Emily D. she jumped on it and over a few weeks, coordinated between the dumpster and asphalt companies until repair was scheduled and completed to our satisfaction. In summary, it was truly a pleasure to meet with Matt C. for the preliminary assessment and contracting for both projects. He is an avid professional who confidently and tactfully shared product and company information; the HGE and Owens-Corning product and the workmanship warrantees. The logistics were expertly coordinated by Emily D., especially her particular professionalism and work ethic. As noted, she went "above an beyond" to ensure customer satisfaction, getting the driveway damage resolved, keeping us informed through-out, so our concerns were at a minimum through completion of the repair work. Again, the construction work/clean-up commenced under the lead of Mike B./Project Manager. The best part, No Contractor nightmares and where there were issues, HGE owned it!"
Attic Insulation
Attic Insulation
Attic Insulation
Attic Insulation
Attic Insulation

+62

Response time9 hrs
Response rate87%
3152 neighbors recently requested a quote
Avatar for Overstate Roofing Services Inc.
Overstate Roofing Services Inc.
4.2(
79
)
Natural Slate Roofing - Repair

Serving Mullica Hill, NJ and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Excellent experience with Overstate Roofing Services. They responded promptly to a massive roof leak at one of my rental properties, and completed the repair with top priority. The free estimate and proactive customer service and support made the undertaking less daunting. Thanks to Avi and his team."
Roof replacement
Roof replacement
1702 neighbors recently requested a quote
Recommended by1%of homeowners
Avatar for Premier Home Renovations
Premier Home Renovations
4.7(
83
)
Natural Slate Roofing - Repair

Serving Mullica Hill, NJ and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"Was away when the work was done, but when we returned you would never know they were there - except for the new roof. There appeared to be a leak which I assumed was caused by the new roof. When they returned to inspect they found that another part of the roof which they were not responsible for was the culprit. They did a minor fix - w/o charge and the problem has not occurred again. Awesome."
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+19

Recommended by95%of homeowners
Avatar for J Cwanger Inc.
J Cwanger Inc.
4.8(
46
)
Natural Slate Roofing - Repair

Serving Mullica Hill, NJ and surrounding areas

In business since 1952

Free estimates

Warranties offered

"I couldn't be more pleased with the outstanding service provided by J. Cwanger. From the very first call regarding a roof leak, their team was professional, responsive, and incredibly helpful. Their initial inspection and diagnosis were thorough, and they provided clear explanations of the necessary repairs. Throughout the process, communication was seamless, even with the added complexity of coordinating with my loan approval. I truly appreciated their patient and understanding approach, as they never pressured me for a sale and consistently kept me informed about scheduling. Once my loan was approved, J. Cwanger's team was on-site within days. The roof replacement was completed in a single day, a testament to their efficiency and skill. During the work, they identified and addressed unforeseen issues with the underlying plywood, demonstrating their commitment to thoroughness and quality. What truly impressed me was their follow-up after a significant rainstorm. The team proactively came to inspect the roof the next morning, ensuring everything was functioning as expected. This level of dedication and customer care is rare and greatly appreciated. J. Cwanger came highly recommended, and I now understand why. Their professionalism, efficiency, and commitment to customer satisfaction are truly exceptional. I wholeheartedly recommend them for any roofing needs."
GAF Pewter Grey shingles and Mastic Board and Batten and Mastic Carvedwood in the color Deep Granite.
Before we started the transformation.
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+7

Response time7 hrs
Response rate100%
Recommended by95%of homeowners
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FAQs for natural slate roofing repair projects in Mullica Hill, 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 Mullica Hill, 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.