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THE INTERLOCK COLLECTION

Metal Roofing in Hollis, New Hampshire — Lifetime Interlock® Aluminum Shingles Installed Locally

Hollis Metal Roofing Experts Installing Lifetime Interlock® Aluminum Shingles Since 1999

What do Interlock customers in New Hampshire say?

Interlock has 317 published customer reviews from New Hampshire, covering installations reviewed between 2004 and 2026. They average 4.7 out of 5, with 280 collected through independent GuildQuality surveys. Interlock® Slate is the most frequently installed system in the region, appearing in 179 of these projects. Across the surveys that scored individual categories, quality of materials rates highest at 4.9 out of 5.

Metal Roofing Built for Hollis's Heavy Rain, Snow Loads, Windstorms & Lifetime Protection

Interlock Metal Roofing is the trusted local metal roofing contractor and exclusive authorized installer of Interlock® Lifetime Aluminum Roofing Systems in Hollis, New Hampshire. Since 1999, we have provided homeowners in Hollis with premium roof replacement and re-roofing services designed to withstand New Hampshire’s challenging weather, from heavy snowfalls to summer storms. Our heavy-gauge, fire-resistant, and energy-efficient cool roofs are engineered for superior snow shedding, preventing dangerous ice dams and leaks common in the region. Choose from the timeless beauty of slate, cedar shingles, shake, Mediterranean tile, or standing seam profiles—all with the unmatched strength and durability of metal. Every Interlock roof is protected by the advanced Alunar® Coating System and backed by a Lifetime Warranty, ensuring your Hollis home stays safe, beautiful, and energy-efficient for decades. Trust Interlock Metal Roofing for the best in performance, beauty, and long-term protection in Hollis, NH.

Interlock metal roofing styles including slate, cedar, shake, tile, and standing seam in Hollis, New Hampshire

Performance you can measure (all climates)

Weather Resistant

Tested to 193+ km/h (120 mph) winds

Durable

Lifetime-Limited, transferable warranty

Energy Efficient

Reflective cool-roof lowers cooling costs

Freeze–Thaw Durable

Endures ~93 freeze–thaw days a year

Rain & Moisture Proof

Repels ~1058 mm of rain a year

Snow-Shedding

Built for ~123 cm of snow a year

  • Precision weatherproof seams (profiles: slate, cedar, shake, tile) and mechanical fastening (profile: standing seam) deliver long-term leak protection during wind-driven rain events.
  • Aluminum panels coated with the Alunar® Coating System—no visible aluminum surface and enhanced corrosion resistance.
  • Tested to 193+ km/h (120+ mph) to withstand severe windstorms that can impact Hollis and southern Hillsborough County.
  • Designed for New Hampshire snow loads with snow-shedding panel geometry to reduce static roof load and mitigate ice-dam risk during freeze–thaw cycles in Hollis.
  • Mechanical standing-seam fastening minimizes exposed fasteners and improves long-term water intrusion resistance on common Hollis roof forms.
  • Class A fire-rated available to add protection during dry spells and ember-risk periods.
  • UL 2218 Class 4 impact resistance for protection against hail, falling branches, and storm debris typical of regional storms.
  • High-reflectance finish lowers attic heat gain during summer heat waves, improving occupant comfort and reducing cooling demand.
  • Solar-compatible panel geometry and attachment provisions for bracket-mounted photovoltaic systems without compromising weatherproofing.
  • Fully recyclable aluminum construction and low maintenance requirements reduce lifecycle replacement compared with asphalt shingles in Hollis’s variable climate.
  • Architectural profiles replicate slate, cedar shake, and tile aesthetics while maintaining engineered performance suited to local rooflines.
  • Installation details and tested flashing assemblies provide durable performance through heavy spring and fall rainfall common to southern New Hampshire.
  • Backed by a Lifetime-Limited transferable warranty to support long-term protection and resale value for Hollis homeowners.
  • Engineered seam and drainage capacity to manage episodic atmospheric-river moisture events that deliver prolonged heavy rainfall to Hollis and Hillsborough County.
  • Although Hollis is inland, the Alunar® coating and corrosion-resistant aluminum protect roofs from occasional salt-laden air carried inland during strong southerly storms.
  • Smooth coated surfaces and steep-shedding profiles limit moss and lichen retention on shaded, humid roof slopes prevalent on wooded Hollis lots.

Metal roofing built for Hollis's climate

Averages (10-yr): ~1058 mm rain and 123 cm snow per year, ~3054 sunshine hours, mean 10.2°C, typical daily-max winds ~17 km/h with gusts to 104 km/h, and ~93 freeze–thaw days per year.

  • 123 cmavg. snow / year
  • 1058 mmavg. rain / year
  • 93freeze–thaw days / year
  • 104 km/hpeak wind gusts
  • 3054 hrsannual sunshine
  • 10.2°Cmean temperature

Roof performance depends on the selected profile, tested assembly, roof structure and installation details. Class A fire-rated assemblies are available. Confirm applicable ratings in the testing reports and review the limited warranty before selecting a system.

Interlock Metal Roofing (New England) Inc.

Hours

  • Monday9:00 AM – 5:00 PM
  • Tuesday9:00 AM – 5:00 PM
  • Wednesday9:00 AM – 5:00 PM
  • Thursday9:00 AM – 5:00 PM
  • Friday9:00 AM – 5:00 PM
  • SaturdayClosed
  • SundayClosed

Interlock Metal Roofing – New Hampshire is a trusted metal roofing contractor proudly serving homeowners and businesses throughout the Granite State. In business since 1999, Interlock has built a strong reputation for exceptional craftsmanship, long-term reliability, and outstanding customer care. As a specialized installer of premium aluminum and standing seam metal roofing systems, Interlock is the exclusive authorized installer of Interlock® lifetime roofing products engineered to perform in New Hampshire’s demanding climate — from heavy snow loads and ice dams to high winds, driving rain, and wide seasonal temperature swings. Built on integrity, professionalism, and superior workmanship, Interlock Metal Roofing has completed thousands of successful roofing installations across New Hampshire, helping property owners invest in roofing systems that are both visually appealing and built to endure harsh New England weather. Our team is known for clear communication, efficient project execution, and meticulous installation standards, supported by industry-leading materials and comprehensive warranty protection. Interlock’s commitment to excellence is reflected in its dedication to safety, ongoing installer training, and strong customer satisfaction throughout the region. With highly trained crews and strict adherence to best practices, we deliver durable, energy-efficient roofing solutions that enhance curb appeal, increase home value, and provide reliable protection for decades. Whether you need a residential metal roof replacement, a commercial roofing upgrade, or a custom architectural metal roofing system, Interlock Metal Roofing is New Hampshire’s trusted choice for premium lifetime metal roofing — combining proven expertise, exclusive products, and service you can count on.

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Interlock® Aluminum Roofing — all-climates performance specs for Hollis, New Hampshire

Spec / RatingClimate / Risk Factor + What It Solves
Wind resistance: 120+ mph (193+ kph)Extreme wind, hurricanes, storm uplift: full interlocking attachment helps prevent blow-offs, edge lifting, and panel loss in high-gust events.
Fire rating: Class A (with proper assembly)Wildfire, embers, radiant heat, chimney sparks: non-combustible roof assembly provides the highest residential fire protection rating.
Hail resistance: UL 2218 Class 4Hail and impact debris: highest impact classification; resists cracking, splitting, and surface loss common with asphalt under hail strikes.
Snow & ice performance: interlocking, shedding profileHeavy snow, freeze-thaw, ice dams: smooth aluminum sheds snow efficiently and the interlocking design helps block water intrusion when melt-refreeze cycles occur. (Final snow-load capacity depends on roof structure and local code.)
Corrosion resistance: aluminum (won’t rust)Salt air, coastal humidity, wet climates: aluminum naturally resists rust and corrosion, reducing long-term failure risk in marine or high-moisture environments.
Heat / UV durability: baked-on coating systemHigh heat, intense sun, thermal cycling: coatings resist UV breakdown and temperature-swing fatigue, slowing fading and surface degradation.
Moss / algae resistance: smooth coated surfaceWet shade, organic growth: low-porosity metal surface gives moss/algae less to grip, reducing staining and maintenance.
Material: heavy-gauge aluminum roof profiles (Slate / Shake / Shingle / Tile / Standing Seam)All-season structural stability: lightweight, dent-resistant metal system stays stable through large hot-cold swings and severe weather.
Expected lifespan: 50+ yearsLong-term durability across climates: avoids re-roof cycles typical of shorter-life materials, even in high-stress environments.
Warranty: Lifetime-Limited, non-prorated + 50-year transferableLifetime protection + resale value: guarantees long-term material confidence and transfers to future owners.

Available Profiles in Hollis, New Hampshire:

Explore all Interlock® metal roofing systems, or see the Guardian lifetime warranty and independent testing reports.

7 completed Interlock® metal roofs in Hollis, NH

Interlock® has completed 7 metal roofs in Hollis, New Hampshire between 2005–2021, across 2 roof profiles (Slate, Shingle). Every marker is a real, anonymized installation completed by an Interlock Installer — explore them on the interactive map and photo grid below, filterable by profile, colour and year of completion.

  • 7completed roofs
  • 2roof profiles
  • 2005–2021years

4.7 / 5 — from 317 verified customer reviews in New Hampshire

What our customers are saying:

★★★★★
Review: February 17, 2016Completion: February 17, 2016

They are a very responsible and upstanding company.

★★★★☆
Review: March 29, 2016Completion: March 29, 2016

They could've improved on customer service communication on delays. There was a delivery problem with the dumpster and there seemed to be miscommunication within Interlock, the company and myself of when and if it arrived. It arrived two days after the job started.

★★★★☆
Review: December 14, 2021Completion: November 30, 2021

Interlock Roofing could've improved on just the workmanship.

Read all New Hampshire metal roofing reviews →

Nearby service areas in Hillsborough County

Interlock® metal roofing is also installed in these communities near Hollis:

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