Trusted Mercer County Roofing Experts
At Njall Construction, we proudly serve homeowners across Mercer County, NJ with expert roofing solutions and a commitment to quality craftsmanship. From detailed roof inspections to full replacements, we deliver reliable service and FREE estimates you can count on.
Experienced Roofing Professionals You Can Rely On
At Njall Construction, we’re committed to providing high-quality roofing services across New Jersey, with a focus on using premium materials and the latest installation techniques for every residential project. Whether your home needs minor repairs or a full roof replacement, our skilled team handles each job with precision, care, and a dedication to lasting results. We always start with a comprehensive roof inspection, offering honest, customized recommendations based on your home’s unique needs. Our priority is your satisfaction — and that shows in our work. With industry-leading warranties, including up to 50 years on shingles and 25 years on workmanship, you can feel confident your roof will protect your home for decades to come.
Fully Licensed & Insured Roofing Experts Serving Mercer County
A+ Accredited Business
The Better Business Bureau has awarded our roofing company an A+ rating, reflecting our trustworthy service and commitment to customer satisfaction.
Fully Licensed & Insured
Our roofing contractors are fully licensed and insured, ensuring your property is protected and our workmanship meets the highest quality standards.
No Subcontracting Labor
We never subcontract work. From start to finish, our skilled roofing professionals handle every step—preparation, installation, and cleanup—ensuring quality you can trust.
0% Financing
Enjoy flexible payment options with 0% financing for up to 24 months. Get the new roof you need now with affordable, budget-friendly terms tailored for you.
Fast Installation
We deliver quality roofing without cutting corners and complete most roof replacements efficiently—usually within 2 to 3 days—minimizing disruption to your home.
50-year Warranty
As an Owens Corning Platinum Preferred Contractor, Njall Construction offers an industry-leading 50-year warranty on shingles, ensuring long-lasting roof protection.
Comprehensive Roofing Services in Mercer County
Whether you need a full roof replacement or an upgrade, Njall Construction’s experienced team handles every step with care and precision. From a thorough assessment to expert installation, we ensure your new roof enhances your home’s appearance, durability, and energy efficiency.
Our roofers specialize in a wide range of materials, including:
- Asphalt shingles
- Metal roofing
- Wood shingles and shakes
- Tile and slate
- Flat roofing systems
- Engineered rubber and plastic roofing
New Roof Installation You Can Rely On
Engineered roofing systems designed for optimal structural integrity, thermal performance, and long-term weather resistance.
Our Roof Replacement Process
A systematic approach integrating advanced materials, precision removal, and high-efficiency installation to ensure code compliance and structural continuity.
At Njall Construction, we use premium materials and advanced techniques to build roofs designed for lasting protection. Our process includes:
- Leak barriers that prevent rain and ice damage
- Fiberglass-reinforced underlayment to protect the roof deck
- Starter strips to guard against strong winds
- Durable 50-year shingles that withstand severe weather
- Cobra attic ventilation to keep your attic cool and dry
Storms, fallen branches, and even wildlife can cause damage to your roof. If the damage is limited and the rest of your roof is in good shape, our expert team can provide precise repairs to restore protection.
We use top-quality materials carefully matched to your existing shingles, ensuring repairs blend seamlessly while preserving your roof’s overall integrity and appearance.
Roof Repair Services
Targeted repair solutions utilizing diagnostic assessments and industry-grade materials to restore functionality and extend roof life.
Thorough Roof Inspection Services
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Gain peace of mind with a comprehensive, free roof inspection from Njall Construction. Our experts evaluate your roof’s materials, structure, and overall condition with care and precision. After the inspection, you’ll receive a detailed report along with honest recommendations, so you fully understand your roof’s health and any needed repairs or maintenance. Our inspection covers:
- Structural integrity assessment
- Material condition evaluation
- Interior roof inspection
- Workmanship quality analysis
Damaged gutters can lead to water buildup under your roof and around your foundation, causing leaks and structural damage. At Njall Construction, our skilled team installs high-quality fascia-style gutters designed to efficiently channel water away from your home. Not only do they protect your property, but they also enhance your home’s curb appeal with a sleek, attractive finish.
Expert Gutter Installation
Comprehensive multi-point inspections leveraging moisture detection, surface analysis, and component evaluation for accurate condition reporting.
Siding Repairs and Installation
Precision-engineered gutter systems optimized for load-bearing capacity, water flow management, and seamless integration with roofing structures.
When your siding needs repair or replacement, Njall Construction provides expert vinyl siding installation and more. We use premium materials—such as James Hardie siding—that boost your home’s curb appeal while protecting it from weather and damage. Our siding options include:
- Vinyl
- Natural wood
- Fiber cement
- Stucco
- Brick
- Stone
- Metal
- Composite
Frequently Asked Questions on Asphalt Roofing
What types of roofing materials work best for Mercer County homes?
Mercer County’s climate calls for durable, weather-resistant materials like asphalt shingles, metal roofing, and fiber cement siding that can withstand snow, rain, and wind.
How long does a typical roof replacement take in Mercer County?
Most residential roof replacements in Mercer County are completed within 2 to 5 days, depending on weather and project size, ensuring minimal disruption to your daily life.
Do you offer free roof inspections in Mercer County?
Yes, Njall Construction provides complimentary, comprehensive roof inspections throughout Mercer County to assess your roof’s condition and recommend necessary repairs or maintenance.
Are your roofing services fully licensed and insured in Mercer County?
Absolutely. Njall Construction is fully licensed and insured, giving you peace of mind that your roofing project will be handled professionally and safely.
What financing options are available for roofing projects in Mercer County?
We offer flexible financing plans, including 0% interest for up to 24 months, making it easier for homeowners to invest in quality roofing without financial strain.
Request Your Free Roofing Estimate in Mercer County Today
If your roof is showing signs of damage, leaks, or age, don’t wait. Njall Construction serves all of Mercer County, NJ, offering fast turnaround times, competitive pricing, and flexible 24-month financing to make your roof replacement hassle-free. Get started by calling (551) 313-2434 or filling out the contact form below to schedule your free, no-obligation estimate today.