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New Construction. Additions. Certified.
A new roof installation is not just shingles applied to decking. The performance of the system -- how it manages water, breathes moisture, handles wind uplift, and holds up to the temperature cycling specific to NY -- is determined by the layered assembly below the surface. Norken Roofing's Manhattan installation crews are trained in the complete roofing system, not just the finish layer.
Why Norken Roofing
Our crews understand the full assembly -- not just the finish layer. Every component is installed in the correct sequence and with the correct technique.
We are approved installers for the shingle systems we sell. That means full manufacturer warranty coverage that holds when you need it.
Every installation meets NY building code requirements for wind uplift, fastener schedules, and ventilation -- documented for permit and inspection.
A crew lead walkthrough inspects the finished installation before we invoice. Issues found in-house are corrected before the customer is asked to sign off.
Installation Services
Roof installation covers a range of project types and building configurations. Here is how we approach each category of installation work in Manhattan.
New construction installations give us the advantage of working with clean, uncompromised decking and the ability to specify every component of the system from the ground up. We work with general contractors, custom home builders, and owner-builders in Manhattan to specify and install complete roofing systems that meet the structural, ventilation, and waterproofing requirements for the building type and design. Our involvement begins at the decking stage: we assess the deck fastening schedule before underlayment is installed, so that any issues with the substrate are identified and corrected rather than buried. We coordinate delivery timing with the general contractor's schedule to minimize the window between deck completion and roofing installation.
Addition roofing is technically more demanding than a standard new construction installation because of the integration requirements between the new and existing roof surfaces. The tie-in must manage water flow from both planes, maintain a continuous waterproofing membrane, and integrate flashing details at every transition -- wall-to-roof, valley, and ridge extensions -- in ways that will perform for the life of both structures. Mishandled tie-ins are a consistent source of chronic leak problems and we approach them with the same systematic attention to sequencing and flashing detail that we bring to any complex installation.
A correctly ventilated attic is not incidental to the roof installation -- it is a component of the system that directly affects shingle service life, energy performance, and the structural integrity of the decking and framing above. We specify ridge vent capacity, soffit net-free-area requirements, and the ratio between intake and exhaust ventilation for every installation in Manhattan. Where existing soffit ventilation is inadequate, we install additional soffit vents or continuous soffit panels as part of the roofing scope. Where a high-pitched or complex roof geometry makes ridge vent impractical, we specify and install appropriate alternative exhaust ventilation configurations that meet the code-required net-free-area ratio.
Penetration installation -- plumbing vents, HVAC exhaust, attic fans, skylights -- is where most new installation quality problems originate. The critical details are the sequencing relationship between the penetration flashing and the underlayment and shingles, and the specifics of counter flashing and step flashing at wall-to-roof transitions. These details cannot be improvised -- they follow a defined sequence that ensures every component sheds water correctly to the component below it. Our crews receive explicit training on flashing sequence because the consequence of getting it wrong is a leak that does not appear immediately but is structurally guaranteed to appear within a few years.
Hip roofs, Dutch gable designs, eyebrow dormers, and other complex geometries require careful layout planning before installation begins. The shingle layout on a hip roof, for example, must be centered and balanced across multiple planes that meet at non-standard angles -- an error in the starting point propagates through the entire installation and results in misaligned courses that are visually obvious and structurally problematic at the hip ridges. We perform a dry layout assessment on complex roof geometries before installation to verify that our starting points, exposure settings, and hip/ridge assignments will produce a correctly aligned finished result.
Our Process
We assess the project, specify the complete system, and provide a written estimate covering every component and labor element.
Materials are ordered to spec. We confirm the installation schedule with you and your general contractor.
Deck assessment, underlayment, flashing, shingles, ridge, and ventilation -- installed in sequence to manufacturer and code specifications.
Crew lead final inspection. Manufacturer warranty registered. Documentation package delivered before invoicing.
Reviews
"We were building a custom home and went through several roofing bids. Most contractors gave us a price and very little detail about what they were actually installing. Norken Roofing gave us a complete system specification with manufacturer product codes and explained how each layer functions. They worked around the general contractor's schedule without complaint and the installation was completed in a single day. The building inspector was complimentary about the quality of the work."
"We added a two-car garage with a bonus room above it and needed the roof tied into the existing house. This is the part I was most nervous about -- I had heard tie-in roofs can leak. Norken Roofing's crew lead walked me through exactly how they were going to handle the valley and the wall-to-roof transition. The work was meticulous and we have had zero issues in the year since it was completed."
"What I valued most was the quality control process. Before they asked me to sign off and pay the final invoice, the crew lead spent 30 minutes on the roof checking every hip ridge, every penetration, and every flashing detail. He found one section of step flashing that was not to his standard and had it corrected on the spot. I never would have known, but that attitude -- that they inspect their own work that critically -- is why I recommended them to two neighbors."
FAQ
System-trained crews, certified installation, manufacturer warranty, quality control before invoicing. Call +1-855-302-0688 to get started.
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