Riverhead Building Supply is an authorized dealer of GAF roofing materials. GAF has been making rugged and dependable roofing products for over 125 years and is North America’s largest manufacturer of commercial and residential roofing. The company is dedicated to helping property owners, contractors, and architects make the safest and best roofing choices.

Choose from premium asphalt shingles that emulate the look of slate or wood shakes. All carry a Lifetime Ltd. Warranty.

  • Timberline HDZ Shingles
  • Timberline American Harvest Shingles
  • Timberline Ultra HD Shingles
  • Liberty
  • Camelot II Designer Shingles
  • Woodland Designer Shingles
  • GAF Grand Sequoia Designer Shingles
  • Glenwood Designer Shingles
  • Slateline Designer Shingles
Timberline HD Shingles riverhead building supply

Timberline HDZ Shingles

Timberline HDZ® Shingles will protect your most valuable asset and beautify your home for years to come.

GAF Timberline American Harvest Shingles riverhead building supply

Timberline American Harvest Shingles

Timberline® American Harvest® shingles are high-performance shingles that provide excellent protection for your home. They are architecturally stylish and practically priced.

GAF Timberline Ultra HD Shingles riverhead building supply

Timberline Ultra HD Shingles

Timberline Ultra HD® Shingles offer a wood-shake look with an incredible thickness that you’ll notice and appreciate.

Gaf Liberty Shingles Snippet riverhead building supply

Liberty – Low Slope Roofing System

The Liberty™ System is designed for both new roofing and re-roofing applications. This is a self-adhering system, making it safer and easier to use than traditional low-slope systems.

GAF Camelot II Designer Shingles Snippet riverhead building supply

Camelot II Designer Shingles

All the beauty of our original Camelot® Shingles at an incredibly affordable price!

GAF Woodland Designer Shingles riverhead building supply

Woodland Designer Shingles

GAF Woodland® Lifetime Designer Shingles combine the rustic look of hand-cut European shingles with 21st-century style—at a fraction of the cost of traditional wood shakes or slate.

GAF Grand Sequoia Designer Shingles Snippet riverhead building supply

GAF Grand Sequoia Designer Shingles

The extra-large design of GAF Grand Sequoia® Lifetime Designer Shingles, along with oversized tabs, creates a realistic wood-shake look that adds visual impact at an incredibly affordable price.

GAF Glenwood Designer Shingles riverhead building supply

Glenwood Designer Shingles

GAF Glenwood® Lifetime Designer Shingles feature an ultra-dimensional design that will give your home a truly authentic wood-shake look.

GAF Slateline Designer Shingles Snippet riverhead building supply

Slateline Designer Shingles

Bold shadow lines and tapered cut-outs create the look of authentic slate at a fraction of the cost.

Master Flow roof ventilation products

Master Flow Attic Fans & Roof Ventilation

Preserve your attic with roof vents and exhaust systems from Master
Flow.