Owens Corning and GAF are two well-known companies in the roofing and construction industry, primarily known for their roofing materials. Here’s a comparison of Owens Corning and GAF based on various factors:

  1. History and Reputation:
  • Owens Corning: Founded in 1938, Owens Corning is a global company that produces insulation, roofing, and fiberglass composites. It’s known for its innovative materials and sustainable practices.
  • GAF: Founded in 1886, GAF is one of the oldest roofing material manufacturers in North America. It’s recognized for its wide range of roofing products and systems.
  1. Product Range:
  • Owens Corning: Offers a variety of roofing materials, including shingles, underlayment, insulation, and roofing accessories. Owens Coring most popular product is their Titanium® PSU-30 Peel & Stick Underlayment which is great for shingle, tile, or metal applications. 
  • GAF: Offers an extensive range of roofing products, including shingles, underlayment, ventilation systems, and other roofing accessories. GAF is known for their Timberline® HDZ shingle series. 
  1. Shingle Types:
  • Owens Corning: Offers various types of shingles, such as asphalt shingles, architectural shingles, and specialty shingles like impact-resistant and energy-efficient shingles.
  • GAF: Offers similar types of shingles, including traditional asphalt shingles, architectural shingles, and specialty options like impact-resistant and solar-reflective shingles.
  1. Technology and Innovation:
  • Owens Corning: Known for its TruDefinition® Duration® shingles with patented SureNail® Technology for better installation.
  • GAF: Known for Advanced Protection® Technology & Staingard Plus® in their shingle lines such as their most popular architectural Timberline HDZ® shingle series which aims to provide durability and performance.
  1. Warranty:
  • Owens Corning: Offers limited warranties on their roofing products, including shingles, with options for various durations and coverage levels. Owens Corning shingle roof systems come with a 50 year limited warranty, 25 year StreakGuard® Algae Resistance, & a 15 year Blow Off Coverage® warranty.
  • GAF: Offers limited warranties on their roofing products as well, including shingles, with different levels of coverage and terms. When installing a GAF roof system with 3 components or more GAF includes a 50 year System Plus Warranty & 15 year 130 MPH wind warranty. All GAF Timberline shingles come with a 25 year Staingaurd Plus® (algae protection) warranty. When a GAF shingle system and upgrading to 4 accessories such as hip/ridge shingle, starter shingle, ridge vent, and their peel & stick GAF has an unlimited wind speed warranty which is great for Florida weather events. 
  1. Sustainability:
  • Owens Corning: Has a strong focus on sustainability and environmentally friendly practices. They have initiatives to reduce their environmental footprint and produce sustainable building materials.
  • GAF: Also emphasizes sustainability and has worked on reducing waste and energy consumption in its manufacturing processes.
  1. Customer Satisfaction:
  • Both companies have their fair share of positive customer feedback, often varying based on location, specific product lines, and installation quality.
  1. Availability:
  • Both Owens Corning and GAF products are widely available across North America and beyond through authorized dealers and distributors.
  • Color options may be harder to obtain in particular markets due to supply and demand. 

When choosing between Owens Corning and GAF, it’s important to consider your specific roofing needs & budget, as both systems are comparable in cost. Both companies offer quality roofing materials, but the best choice will depend on the specific factors relevant to your preferences.