Looking for Emergency Roofing Services? Call (516) 226-8500 Now
Get a Free Estimate for Your Roof — Call Now at (516) 226-8500
Looking for Emergency Roofing Services? Call (516) 226-8500 Now
Get a Free Estimate for Your Roof — Call Now at (516) 226-8500
Looking for Emergency Roofing Services? Call (516) 226-8500 Now
Get a Free Estimate for Your Roof — Call Now at (516) 226-8500
Looking for Emergency Roofing Services? Call (516) 226-8500 Now
Get a Free Estimate for Your Roof — Call Now at (516) 226-8500
Looking for Emergency Roofing Services? Call (516) 226-8500 Now
Get a Free Estimate for Your Roof — Call Now at (516) 226-8500
Looking for Emergency Roofing Services? Call (516) 226-8500 Now
Get a Free Estimate for Your Roof — Call Now at (516) 226-8500
Looking for Emergency Roofing Services? Call (516) 226-8500 Now
Get a Free Estimate for Your Roof — Call Now at (516) 226-8500
Looking for Emergency Roofing Services? Call (516) 226-8500 Now
Get a Free Estimate for Your Roof — Call Now at (516) 226-8500

GAF Timberline HDZ® Shingles

LayerLock® Technology Premium Series

Timberline HDZ®
Architectural Shingles

The iconic look you love, now with LayerLock® Technology + StainGuard Plus Algae Protection
EXPLORE ALL COLORS · 20+ Premium Finishes
Active Color:
EARTH & NATURAL HUES
Barkwood
Biscayne Blue
Charcool
Fox Hollow Gray
Hickory
Hunter Green
Mission Brown
COOL TONES & CLASSIC GRAYS
Shakewood
Slate
Weathered Wood
Oyster Gray
Limited Warranty Coverage — See GAF warranty for complete details.

The Gold Standard in Everyday Roofing

What Are GAF Timberline HDZ® Shingles?

GAF Timberline HDZ shingles have earned their reputation as America’s best-selling architectural shingle — not through marketing, but through consistent, real-world performance. HDZ stands for High Definition, referring to the shingle’s layered, dimensional design that adds visual depth to any roofline. These are not entry-level shingles. They are a professionally engineered product that brings together wind resistance, algae protection, and long-term durability into one reliable package.

The Right Choice for Most Long Island Homes

Not every home needs the ultra-premium tier. For the vast majority of Long Island homeowners, whether in Levittown, Massapequa, Bay Shore, or Freeport, HDZ delivers everything needed: strong wind resistance, 30-year algae protection, and a lifetime limited warranty, all at a price point that makes sense. HDZ is where performance and practicality meet.

135+ Years of Roofing Leadership

Who Makes GAF Shingles?

GAF has been manufacturing roofing products since 1886, making it one of the oldest and most established names in the industry. Headquartered in Parsippany, New Jersey, just miles from Long Island, GAF produces its shingles across multiple U.S. facilities under strict quality control standards. As North America’s largest roofing manufacturer, GAF’s scale allows them to invest heavily in product testing and innovation that smaller brands simply cannot match.

Complete Color Guide

Barkwood

Rich brown tones with warm amber undertones. Works exceptionally well with brick, stone, and earth-tone siding. Ideal for traditional colonial and craftsman-style homes.

Charcoal

One of the best-selling HDZ colors. Deep gray-black tones create dramatic curb appeal. A versatile choice that complements virtually any exterior color scheme.

Pewter Gray

A sophisticated mid-tone gray balancing light and dark elements. Pairs beautifully with white, blue, and green siding. Resists visible fading exceptionally well.

Shakewood

Replicates weathered cedar shake with brown, tan, and gray undertones. Perfect for mountain homes and lakeside properties seeking a rustic, natural charm.

Slate

Cool gray tones with subtle blue undertones. Mimics natural slate roofing for a premium look. Stands out on coastal properties and contemporary estates.

Weathered Wood

Soft gray and brown tones evoking sun-bleached driftwood. A timeless appeal that works across multiple architectural styles from colonial to farmhouse.

 

Hickory

Warm brown tones with golden highlights. A natural, rustic look that complements wood siding and stone accents beautifully.

Hunter Green

A bold, nature-inspired green that adds rich character. Ideal for homes surrounded by trees or those seeking a distinctive, standout exterior.

Mission Brown

Deep earthy brown tones that bring warmth and a grounded, classic look. Pairs well with cream and tan exteriors.

Biscayne Blue

A vibrant, unique color option for homeowners seeking something distinctive and coastal-inspired.

Appalachian Sky

A cool, calming blue-gray hue that works well in coastal and mountain settings.

Cedar Falls

A contemporary gray with cool undertones. Ideal for modern and transitional home designs

Golden Harvest

A warm, inviting golden-brown tone that gives a sunny, welcoming appearance to any home.

Nantucket Morning

A soft, coastal-inspired color evoking morning light on the shore. Perfect for beach-area homes.

Revolutionary Adhesion System

LayerLock™ Technology

How the Bond Actually Works

Every HDZ shingle features precisely engineered adhesive strips that interlock with the layer above during installation. As the roof heats up under the sun, these strips activate and create a firm mechanical bond across the entire shingle surface, not just at the edges. The result is a roofing system that holds together as a unified structure rather than as individual pieces.

Standard Shingles Without LayerLock

Conventional shingles rely on basic asphalt sealant strips that activate inconsistently, especially in the cooler temperatures common during Long Island’s fall and spring roofing season. Partial activation leaves shingles vulnerable to wind uplift along their unsealed edges

LayerLock Advantage

Full-surface mechanical bonding means every shingle is locked in place, even before the adhesive fully cures. This is particularly valuable on Long Island where roofs face strong northeast winds, coastal storms, and rapid temperature swings throughout the year

Unlimited Wind Speed Warranty

HDZ shingles with LayerLock® are rated to handle winds up to 130 mph. When installed with qualifying GAF accessories, the WindProven™ warranty removes the speed cap entirely, giving Long Island homeowners protection with no upper limit.

130

MPH RATED

Installation Precision

StrikeZone™ Nailing Technology

Target Nailing Zone

Every HDZ shingle has a clearly marked nailing zone printed directly on its surface. Roofers don’t need to guess or measure—they nail to the mark, every time. This eliminates human error and ensures the structural integrity of your roof is never compromised.

Precision Strike Zone

Faster Job, Lower Labor Cost

With a clear target on every shingle, experienced crews work significantly faster, translating to shorter timelines for homeowners.

20%

Faster Installation

Fewer Mistakes, Longer Roof Life

With a clear target on every shingle, experienced crews work significantly faster, translating to shorter timelines for homeowners.

Precision in any lighting condition.

Complete Warranty & Tech Guide

Advanced technology and industry-leading coverage for peace of mind

WindProven™ Warranty

The only roofing warranty with no maximum wind speed. When HDZ shingles are installed alongside required GAF accessories, your roof is covered against wind damage regardless of storm intensity.

LayerLock™ Tech

Goes beyond adhesive. The mechanical interlocking system holds shingle layers together structurally, delivering wind performance that adhesive-only systems cannot replicate.

StainGuard Plus PRO

Copper and zinc granules are built directly into each shingle. These minerals actively prevent algae colonization, keeping your roof clean and streak-free for 25 years, backed by a written warranty.

Dura Grip™ Sealant

A high-performance sealant that locks each shingle firmly to the roof deck. Even in sustained gale-force winds, DuraGrip keeps shingles from lifting at the edges where blow-off typically begins.

Technical Specifications

Engineering Data & Performance Standards

Physical Dimensions

Dimensions

13 1/4″ x 39 3/8″

Exposure

5 5/8″ (143 mm)

Bundles per Square

3 Bundles

Pieces per Square

64 Pieces

Weight per Square

Approx. 60 lbs

Performance & Warranty

Shingle Type

13 1/4″ x 39 3/8″

Wind Resistance

WindProven™ (No max mph with GAF accessories)

Fire Rating

Class A (Highest)

Algae Warranty

30 Years (StainGuard Plus)

Lifetime Warranty

Limited Lifetime

HDZ vs. Competitors

How does GAF stack up against the market?

Comparison Verdict

vs. Owens Corning Duration

Duration shingles are a solid product backed by SureNail® technology. However, GAF HDZ consistently matches or exceeds Duration in wind resistance, color range, and contractor availability across Long Island. Pricing is comparable, but GAF’s deeper contractor network often means faster scheduling and better warranty service locally.

Comparison Verdict

vs. CertainTeed Landmark

Landmark is a well-regarded shingle with strong algae resistance through StreakFighter® technology. GAF HDZ competes directly on algae protection with StainGuard Plus™ while offering a broader accessory system and more flexible warranty options, an advantage for homeowners seeking full system coverage.

Why Contractors Prefer GAF

Among roofing professionals across Nassau and Suffolk County, GAF HDZ is consistently the top recommendation for residential re-roofing projects. StrikeZone™ speeds up installation and reduces callbacks. The Master Elite® contractor program ensures homeowners get access to extended warranty options unavailable through non-certified installers.

frequently asked questions

Explore frequently asked question that people ask about Residential Roofing.

How often should I have my roof inspected in Long Island?

Roofs in Long Island should be inspected at least once a year and after major storms. Regular inspections help identify potential issues like leaks or damage before they become costly problems.

Roofs in Long Island should be inspected at least once a year and after major storms. Regular inspections help identify potential issues like leaks or damage before they become costly problems.
Roofs in Long Island should be inspected at least once a year and after major storms. Regular inspections help identify potential issues like leaks or damage before they become costly problems.
Roofs in Long Island should be inspected at least once a year and after major storms. Regular inspections help identify potential issues like leaks or damage before they become costly problems.
Roofs in Long Island should be inspected at least once a year and after major storms. Regular inspections help identify potential issues like leaks or damage before they become costly problems.

Start Your Roofing Project With Roofing Freeport

Begin your project today and experience reliable service, quality materials, and expert installation. Whether you need a new roof, repairs, or a complete upgrade, our team is here to provide roofing solutions that stand the test of time.

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