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A worker rolls out blue GAF Storm Guard leak barrier on a sloped roof under bright sunlight.
America’s #1-sellingTimberline® shingles

Roofing and waterproofing systems from Parsippany, NJ

We protect what matters most.

Innovative roofing and waterproofing systems for homes and businesses, backed by strong warranties when installed by GAF-certified contractors.

  • North America’s largest roofing manufacturer
  • Residential & commercial
  • Strong warranties with certified installation
  • Home of Timberline® shingles
Call (973) 628-3000

Start your roofing project

Tell us about your roof and the best number to reach you.

Solutions

One manufacturer, for every kind of roof.

As North America’s largest roofing manufacturer, we make roofing and waterproofing systems for residential and commercial projects.

Residential

Roof systems for homes

  • Shingles and complete roof systems
  • Solar roofing options
  • Strong warranties with certified installation
America’s #1-selling shingles

Timberline®

Our flagship residential shingle

  • America’s #1-selling shingles
  • Part of a complete GAF roof system
  • Warranty-backed when installed by a GAF-certified contractor
Ask about Timberline®
A gray-shingled house with white trim and solar panels on the roof, surrounded by trees.New GAF roofing shingles

Commercial

Roof systems for businesses

  • TPO and flat-roof systems
  • Roof coatings
  • Waterproofing for low-slope roofs

Our warranties are strongest when a GAF-certified contractor installs the system.

Macro photograph of layered dark gray architectural asphalt shingles on a pitched roof, granule texture, shallow depth of field, overcast lightUp close

A roof is a system, not a single layer.

Each layer works with the next, which is why we design them to be installed together.

What goes into a roof

Every layer, designed to work together.

Surface

  • Timberline® shingles
  • Solar roofing shingles
  • Coatings for flat roofs

Underneath

  • Roofing underlayment
  • Waterproofing layers

Openings

  • Pipe boot flashing
  • Roof ventilation

Commercial

  • TPO membrane
  • Low-slope waterproofing systems

Product overview

Built from parts we make.

From the shingle on top to the flashing around every pipe, a GAF roof is made of products designed to fit together. Here are a few of them.


Our warranties are strongest when the whole system is installed by a GAF-certified contractor.

Ask about a GAF system
GAF roof systemOverview
A roofer uses a nail gun to install asphalt shingles on a sloped roof under an overcast sky.Shingles going on

A few of the products in a GAF roof

  • Close-up of overlapping gray textured asphalt roof shingles in a staggered pattern.Timberline® shingleShingle
  • A black cylindrical roof vent installed on a gray shingled roof.Master Flow™ Pivot™ pipe boot flashingFlashing
  • A red brochure is open, displaying a colorful cover image of people in safety gear.Commercial roofing catalogCommercial
  • A white bucket of StreetBond SB120 paint with a blue lid and a smaller black can labeled 'B' beside it.StreetBond® pavement coatingCoating
  • Shingle

    America’s #1-selling shingles sit on top of the system.

  • Flashing

    Pipe boots seal the openings where water likes to find a way in.

  • Commercial

    Low-slope and TPO systems for commercial buildings.

  • Coating

    Coatings for surfaces beyond the roof itself.

Services

Roofing and waterproofing, top to bottom.

Residential and commercial systems, all from one manufacturer.

A roofer uses a nail gun to install asphalt shingles on a sloped roof under an overcast sky.

For homes

Residential roofing

Shingle roof systems for houses, including America’s #1-selling Timberline® shingles.

Ask about this
A construction worker in a hard hat and safety vest unrolls a white roofing membrane on a flat roof under a bright blue sky.

For businesses

Commercial roofing

TPO and low-slope roof systems for commercial buildings.

Ask about this
A paint roller applies white coating to an asphalt surface under bright sunlight.

Flat roofs

Roof coatings

Coatings rolled onto flat roofs to protect the surface.

Ask about this
A smiling technician carries a solar panel in front of a house with installed panels on the roof.

Energy

Solar roofing

Solar roofing shingles installed as part of the roof.

Ask about this
A black cylindrical roof vent installed on a gray shingled roof.

Openings

Ventilation & flashing

Pipe boot flashing and ventilation products that seal and breathe.

Ask about this
A worker rolls out blue GAF Storm Guard leak barrier on a sloped roof under bright sunlight.

Underneath

Waterproofing & underlayment

The layers under the shingles that keep water out of the deck.

Ask about this

Why GAF

North America’s largest roofing manufacturer.

We protect what matters most with innovative roofing and waterproofing systems, backed by strong warranties when installed by GAF-certified contractors.

  • #1Timberline®: America’s #1-selling shingles
  • Largestroofing manufacturer in North America
  • 2markets: residential and commercial
A large stone mansion with warm lighting illuminates its entrance and windows against a twilight sky.
Strong warrantieswhen installed by a GAF-certified contractor

How it works

Four steps to a protected roof.

From your first call to a warranty-backed installation.

  1. 1Call or send the form

    Tell us about your home or building.

  2. 2Talk through your roof

    Residential or commercial, we point you to the right system.

  3. 3Certified installation

    A GAF-certified contractor installs the system.

  4. 4Warranty-backed roof

    Strong warranty coverage on a certified install.

Headquarters

Talk to us.

  • Phone(973) 628-3000
  • Address1 Campus Drive, Parsippany, NJ 07054
  • ProjectsResidential & commercial

Questions

Questions, answered.

Do you make roofing for homes and businesses?

Yes. We offer roofing and waterproofing solutions for both residential and commercial projects.

How do I get the strongest warranty?

Have your roof installed by a GAF-certified contractor. Our strong warranties are backed when a certified contractor does the installation.

What are Timberline® shingles?

Timberline® is our flagship residential shingle line, and America’s #1-selling shingles.

Do you make more than shingles?

Yes. We make complete roofing and waterproofing systems, including underlayment, flashing, roof coatings, TPO for commercial roofs and solar roofing.

Where are you based?

Our headquarters is at 1 Campus Drive, Parsippany, NJ 07054.

Get started

Ready to protect what matters most?

(973) 628-3000

Roofing and waterproofing systems for residential and commercial projects.

Close photograph of a residential roof with dark gray architectural asphalt shingles and a red brick chimney, autumn tree with orange leaves in foreground, soft