Complete Metal Roofing Services

TWI Roofing delivers full-service metal roofing solutions-installation, repair, replacement, and preventive maintenance-specifically for Nassau County, NY homes and businesses. Whether you’re dealing with an active leak after last night’s storm or planning to upgrade from worn asphalt shingles to a standing seam system that’ll outlast your mortgage, we handle every phase from permit to final inspection.

We work with standing seam, corrugated panels, metal shingles, and aluminum systems, and we design every installation to survive nor’easters, salt air, and the unique building code requirements across Nassau County neighborhoods.

Need an inspection, quote, or emergency repair? Call us at (516) 920-2481 or request a visit through our site.

Why Choose a Specialist for Metal Roofing in Nassau County?

Metal Roofing Isn’t Just “Another Roof”

Metal roofs use completely different materials, fastening systems, expansion details, and flashing techniques than asphalt shingles-and those differences matter every time it rains. A standing seam panel expands and contracts with temperature, so every clip has to allow movement while staying watertight; corrugated metal relies on gasketed screws that degrade faster near the coast; and every ridge, valley, and chimney transition requires custom-bent flashing that can’t just be caulked over like composite shingles. Improper installation leads to noise during wind events, leaks around penetrations, early corrosion, and voided manufacturer warranties. Not every Nassau County roofer installs metal regularly-most focus on asphalt and only take metal jobs occasionally-so expertise and repetition matter more here than with basic three-tab replacements.

Built for Nassau County’s Coastal Weather

Nassau County sits between the Atlantic and the Sound, which means nor’easters with 50+ mph gusts, driving rain from multiple directions, salt spray that accelerates corrosion on exposed fasteners, and freeze-thaw cycles that test every sealant joint from November through March. These factors directly influence metal roof design: fastening schedules get tighter near the edges and ridges, underlayment choices shift based on proximity to the water, and material selection changes depending on whether you’re three blocks from the beach or two miles inland in Garden City. We tailor every recommendation and installation detail to Nassau’s building codes and neighborhood conditions-not generic national standards written for landlocked climates-because a roof that works in Arizona won’t survive a February coastal storm here.

Our Complete Metal Roofing Services

New Metal Roof Installation

• Installation of standing seam, metal shingles, corrugated panels, and other residential/commercial systems that match your home’s architectural style and performance goals
• Tear-off and disposal of existing roofing when required, plus full deck inspection and repair of any damaged or rotted sheathing before new metal goes down
• Help choosing the right metal type, gauge, and finish for your home’s style and distance from the coastline-aluminum for salt exposure, steel for inland durability, specific coatings for color retention
• Code-compliant underlayment, flashing, and ventilation design for Nassau County homes and buildings, including attic venting strategies that prevent condensation under the metal
• Coordination of permits, inspections, and homeowner association requirements where applicable, so you’re not navigating village building departments alone

Metal Roof Repair and Leak Detection

• Emergency leak response during or after heavy storms when available, prioritizing active water intrusion that’s damaging ceilings or insulation
• Targeted repairs of seams, fasteners, flashing, and penetrations around vents, chimneys, skylights, and satellite mounts where most leaks originate
• Replacement of damaged or missing panels after wind uplift, falling branches, or impact events, including color-matching older roofs when panels are still available
• Diagnosis of chronic or mysterious leaks using on-roof inspections, attic checks, and water testing to find the actual entry point versus where water shows up inside
• Temporary protective measures to stop active water intrusion-tarps, sealants, or panel reinforcement-until permanent repairs can be completed safely and properly

Metal Roof Restoration and Upgrades

• Re-sealing and re-fastening exposed-fastener systems showing signs of backing-out screws, aging gaskets, or minor panel movement after years of thermal cycling
• Rust treatment and protective coatings on suitable metal roofs to extend service life by 10-15 years, especially on older steel systems with surface oxidation but solid structure
• Upgrading flashing, sealants, and transitions as codes and best practices evolve, including replacing outdated caulked joints with mechanically fastened trim
• Adding snow guards, improved gutters, and accessories to improve performance and safety-especially important on steep-slope metal roofs where snow slides can damage landscaping or cars
• Color updates and aesthetic refresh options when compatible with existing systems, though full repaints are rarely cost-effective compared to panel replacement

Preventive Maintenance and Annual Service Plans

• Scheduled inspections to catch minor issues before they become major leaks-typically twice per year after winter and after hurricane season
• Debris removal from valleys, gutters, and roof surfaces that can trap moisture, promote corrosion, and block proper drainage during heavy rain
• Monitoring of sealants, fasteners, and panel movement after major seasonal changes, especially thermal expansion differences between summer and winter
• Documentation of roof condition and maintenance history for warranty claims and insurance support if storm damage occurs
• Customized maintenance plans for homes near the water, under heavy tree cover, or with complex rooflines that need more frequent attention than standard ranch houses

Our Metal Roofing Installation Process: From First Call to Final Inspection

1. Consultation and On-Site Evaluation

Every installation project starts with a visit to your Nassau County property to inspect the current roof, evaluate the structural deck, measure slopes and dimensions, and understand access challenges like narrow driveways or proximity to neighbors. We discuss your goals during this visit-whether you’re prioritizing longevity over appearance, working within a specific budget, or addressing storm damage that insurance is covering-and we identify any code requirements, HOA restrictions, or visible structural issues like sagging rafters or inadequate ventilation that’ll need to be addressed before metal panels go on. This is also when we look at the home’s proximity to the water and exposure to prevailing winds, which directly influences our material and fastening recommendations.

2. System Design and Material Selection

After the site visit, we design a metal roofing system tailored to your home and Nassau County’s coastal climate-recommending specific metal types (aluminum for corrosion resistance near salt water, Galvalume steel for inland homes), panel profiles (standing seam for clean modern lines, metal shingles for traditional colonial aesthetics), colors that complement your siding and neighborhood, and coatings (Kynar finishes for color retention, specialized marine coatings for homes within a mile of the shore). We review ventilation and insulation strategies to prevent condensation under the metal, design custom flashing details for chimneys, dormers, and roof-to-wall transitions, and explain every option’s pros, cons, and relative long-term value so you can make an informed decision without feeling pressured toward the most expensive choice.

3. Transparent Proposal and Scheduling

You’ll receive a written proposal that outlines the full scope-tear-off and disposal of existing roofing, any deck repairs we anticipate, specific materials and quantities, labor, permits, and post-installation cleanup-along with material and workmanship warranties, estimated timeline, and payment schedule. We explain what’s included so there are no surprise charges when a few sheets of plywood need replacing or when the building inspector requires an extra vapor barrier detail. Scheduling is coordinated around weather forecasts and your household needs, especially important for occupied homes where we’re tearing off sections and exposing the interior to the elements during the workday.

4. Installation and Site Management

Our crew protects your landscaping, driveway, and surrounding property with tarps and barriers during tear-off and installation, uses manufacturer-specified fasteners and clip systems for every panel type, follows engineered fastening patterns for Nassau County wind zones, and installs flashing in the proper sequence so water flows over-not under-each layer. We use fall protection and proper safety equipment on every job regardless of roof height, conduct daily site cleanup to remove debris and leftover fasteners before the end of each workday, and provide progress updates so you know what’s happening on your roof even if you’re at work during installation.

5. Final Inspection, Walkthrough, and Warranty

After installation is complete, we conduct a final roof inspection checking every seam, fastener, flashing detail, and penetration, then walk you through the finished roof from ground level or attic access, pointing out key details and explaining what to watch for after major storms. We review warranty terms-what’s covered by the metal manufacturer, what’s covered by our workmanship guarantee, and what regular maintenance you should perform to keep both warranties valid. Our team remains available after the project for future questions, annual inspections, and any service needs that come up as the roof settles into its first year.

How We Handle Metal Roof Repairs in Nassau County

Fast Response, Careful Diagnosis

When you call with an active leak or visible storm damage, we prioritize scheduling an inspection as quickly as our current workload and weather allow-usually within 24-48 hours for urgent situations where water is entering the home. The inspection covers the exterior roof surface looking for obvious damage, missing panels, or failed sealants; the attic or ceiling cavity to trace water stains back to their entry point; and any previous repair attempts that might be causing or hiding the real problem. We focus on finding the root cause-whether it’s improper flashing at a chimney, failed sealant at a seam, corrosion around fasteners, impact damage from a falling branch, or installer error from years ago-rather than just patching where water shows up inside, because treating symptoms without fixing the source leads to repeat callbacks and wasted money.

Repair Options Tailored to Roof Age and Condition

After diagnosing the issue, we present repair options that match your roof’s age, remaining service life, and overall condition: localized repairs work well for newer roofs with isolated damage; panel or flashing replacement makes sense for mid-life roofs where one section failed but the rest is solid; restoration with re-sealing and protective coatings extends life on older roofs that aren’t ready for full replacement; and complete replacement is recommended when the roof has widespread corrosion, structural damage, or is nearing the end of its expected lifespan anyway. We explain the pros and cons of each approach in plain language-how long the repair will last, what it costs relative to a new roof, and whether it’s a smart financial decision or just delaying the inevitable-so you can make the choice that fits your budget and timeline.

Temporary Protection During Severe Weather

When a leak develops during an active storm or when permanent repairs can’t be completed safely due to high winds, ice, or ongoing rain, we use temporary protective measures-heavy-duty tarps secured with fasteners that won’t further damage the metal, temporary sealants rated for wet application, or mechanical reinforcement of lifting panels-to stop water intrusion and protect your interior until conditions allow proper repairs. These measures are designed to buy time, not serve as permanent fixes, and we schedule follow-up work as soon as weather permits to complete the repair correctly with appropriate materials and techniques.

Types of Metal Roofs We Work With

Residential Metal Roofing Systems

• Standing seam metal roofs on colonials, capes, split-levels, and newer custom builds-the most popular choice for homeowners wanting clean modern lines and concealed fasteners
• Metal shingles or tile-look panels for homeowners wanting a traditional shake or slate appearance with metal’s durability, wind resistance, and lower maintenance
• Corrugated and exposed-fastener panels on garages, sheds, and outbuildings where cost matters more than aesthetics or where the style matches the home’s architecture
• Mixed-material roofs combining metal accents on porches, bays, dormers, or second-floor additions with asphalt or other materials on the main roof sections

Commercial and Light-Industrial Metal Roofs

• Low-slope and steep-slope metal roofs on offices, retail spaces, warehouses, and storage facilities where longevity and low maintenance justify the higher upfront cost
• Retrofit systems over existing commercial roofs where structural capacity allows and local code permits, avoiding costly tear-off and disposal
• Coatings, restoration, and maintenance plans for older commercial metal roofs that are structurally sound but showing surface wear or minor leaks
• Coordination with business operations to minimize downtime and disruption-scheduling work during off-hours, staging in phases, or protecting inventory and equipment during installation

Local Knowledge You Can See From the Roofline Down

Working Across Nassau County Neighborhoods

We’ve installed and repaired metal roofs across Nassau County-from waterfront homes steps from the Atlantic where aluminum is the only sensible choice to inland neighborhoods where steel systems perform beautifully for decades, from older colonials in established communities that require careful HOA navigation to new construction where we’re working alongside other trades to coordinate roof installation with final grading and landscaping. Homes nearer the water get different material and coating recommendations than those two miles inland because salt spray, higher humidity, and stronger sustained winds affect corrosion rates and fastener longevity. We’re also familiar with local building departments and inspection processes across different villages and towns, which streamlines permitting and ensures installations pass inspection the first time without callbacks or re-work.

Designing for Wind, Salt, and Seasonal Swings

Every installation decision we make accounts for Nassau County’s coastal reality: fastening patterns get engineered for nor’easter wind loads and coastal exposure zones, not generic map-based minimums; underlayments are chosen for their ability to handle wind-driven rain and occasional ice damming during February cold snaps; and we recommend corrosion-resistant metals and finishes-aluminum, Galvalume with Kynar coatings, or marine-grade steel-in areas regularly exposed to salt spray. We also monitor how roofs respond season to season, learning which details hold up best through multiple freeze-thaw cycles, which fastener brands resist backing out after years of thermal movement, and which flashing techniques prevent the ice buildup that causes so many winter leak calls.

Warranties, Licensing, and Insurance

Manufacturer and Workmanship Coverage

We work with reputable metal roofing manufacturers that offer material warranties appropriate for coastal New York-typically 30-50 years on paint and finish, longer on substrate perforation-and we provide our own workmanship warranty covering installation quality, proper fastening, and flashing details. Both warranties have specific terms and exclusions, so we walk through the coverage in detail during the proposal stage: what regular maintenance you need to perform to keep warranties valid, what types of damage are covered versus excluded, and how to file a claim if an issue develops years down the road. Understanding warranty coverage now prevents frustration later when you discover that wind damage isn’t covered because annual inspections weren’t documented or that paint fading beyond a certain threshold isn’t considered a defect.

Licensed, Insured, and Code-Compliant

TWI Roofing is fully licensed and insured to work in Nassau County, NY, carrying both general liability and workers’ compensation coverage that protects you, your property, and our crew during every phase of installation and repair. Our installations are designed to meet or exceed New York State building codes, Nassau County amendments, and manufacturer specifications-including wind load calculations, fastener schedules, underlayment requirements, and flashing details-which protects your investment, ensures the roof performs as expected through decades of coastal weather, and prevents issues during home inspections if you sell the property in the future.

Frequently Asked Questions About Metal Roofing Services in Nassau County

Can you repair my existing metal roof, or do I need a full replacement?

Most leaks and isolated issues can be repaired or restored if the underlying metal panels and structure are still sound-we regularly fix failed flashing, replace damaged sections, re-seal exposed fasteners, and address localized corrosion without tearing off the entire roof. Full replacement makes more sense when you have widespread panel corrosion, extensive structural deck damage, a roof that’s 40+ years old and nearing the end of its expected lifespan anyway, or when repair costs approach 40-50% of a new roof’s price. The only way to know which approach is right for your specific situation is an on-site evaluation where we can assess the roof’s overall condition, not just the visible symptoms.

How do I know if my roofer really understands metal roofing?

Ask what percentage of their jobs are metal installations-if it’s less than 30%, they’re primarily an asphalt contractor taking occasional metal work. Request photos of recent local metal projects, specifically standing seam or the system you’re considering, and ask to see examples of custom flashing details at chimneys, valleys, and roof-to-wall transitions. Check for manufacturer certifications from the metal brands they install, which require training on proper techniques and fastening systems. Finally, listen to how they discuss wind and salt exposure considerations for Nassau County-experienced metal roofers will adjust recommendations based on your distance from the water and exposure to prevailing winds, while generalists give the same answer for every home.

How long does a typical metal roof installation take?

A straightforward standing seam or metal shingle installation on a standard colonial or ranch home usually takes 3-5 days from tear-off to final cleanup, assuming decent weather and no major structural surprises when the old roof comes off. Complex rooflines with multiple dormers, valleys, and roof planes can push that to 6-8 days; simple gable roofs on smaller homes sometimes finish in 2-3 days. Weather delays-high winds that make metal panel handling unsafe, rain during tear-off, or extended cold snaps that affect sealant curing-can add days to the schedule, which is why we build some buffer into our estimated completion date rather than promising an aggressive timeline we can’t guarantee.

Do you work with insurance claims for storm-damaged metal roofs?

Yes-we document storm damage with photos and detailed notes, provide written estimates that break down repair or replacement costs in the format insurance adjusters expect, meet with adjusters during property inspections when requested, and communicate with your insurance company as needed to clarify scope or material specifications. That said, final coverage decisions rest entirely with your insurer and policy terms; we can advocate for proper repairs and point out damage the adjuster might miss, but we can’t guarantee what your claim will pay or override their settlement offer. Many homeowners find it helpful to have us present during the initial inspection so nothing gets overlooked in the damage assessment.

How soon can you come out to look at a leak?

For active leaks causing interior damage or emergency situations during storms, we prioritize scheduling within 24-48 hours depending on current workload, weather conditions, and whether the roof is safe to access. Standard inspections for non-urgent concerns-planning a replacement, investigating a minor stain, or routine maintenance-typically schedule within 3-7 days. During peak storm season or after major weather events when everyone’s calling with damage, response times can stretch longer. Your best bet is to call our office at (555) 123-4567 and explain the situation so we can give you accurate current availability and, if needed, provide temporary protection advice while you’re waiting for the inspection.

Get Expert Metal Roofing Help in Nassau County, NY

TWI Roofing provides complete metal roofing installation, repair, restoration, and maintenance services designed specifically for Nassau County’s coastal climate and building requirements. Whether you’re dealing with an urgent leak that’s damaging your ceiling right now or planning a long-term upgrade from asphalt to a standing seam system that’ll still look great in 2060, our team can inspect your roof, explain your options in plain language, and recommend the right solution for your home’s condition, your budget, and your timeline.

Call us at (555) 123-4567 or request a visit for a metal roofing assessment and no-pressure estimate. Bring your questions about lifespan, material choices, maintenance requirements, and costs-we’ll walk through them together on-site so you can make an informed decision about protecting one of your biggest investments.