Skip to content
GAF Ltd. WarrantyComparison Guide*
BASE WARRANTY
BETTER SYSTEM WARRANTY
BEST SYSTEM WARRANTY
  Material Defect Coverage*
100% coverage period 10 yrs.(3 or 5 yrs. on 3-tab shingles) 50 yrs.(20 yrs. on 3-tab shingles) 50 yrs.(20 yrs. on 3-tab shingles)
Covers roofing system? Yes, system coverageis available Yes, covers entiresystem Yes, covers entiresystem
Cost of installation labor included? 10 yrs.(3 or 5 yrs. on 3-tab shingles) Lifetime(25 or 30 yrs. on 3-tab shingles) Lifetime(25 or 30 yrs. on 3-tab shingles)
  Workmanship Coverage*
100% coverage period
None
2 yrs.(Typical coverageoffered by contractor)

25 yrs.(20 yrs. on 3-tab shingles)(Coverage provided andbacked by GAF)

Misapplication of certain flashings covered?
No
2 yrs.(Typical coverageoffered by contractor)

25 yrs.(20 yrs. on 3-tab shingles)(Coverage provided andbacked by GAF)

Installer certified?
No(Anyone can install)
Yes
Yes
Tear-off costs included? (when necessary)
No
Yes(For material defects only)
Yes(For material defectsor workmanship)
Disposal costs included? (when necessary)
No
No
Yes(For material defectsor workmanship)
  Problem Prevention
Exclusive 40-point factory inspection?
No
No
Yes
  Peace of Mind*
“Maximum” wind coverage up to 130 mph Category 3 hurricane
wind speed available?
Yes(Not available for 3-tab shingles)
Yes(Not available for 3-tab shingles)
Yes(Not available for 3-tab shingles)
Warranty transferable?
Yes
Yes
Yes
Free transfer?
Yes
Yes
Yes
Good Housekeeping protection?
Yes
Yes
Yes

* Check ltd. warranties for complete coverage and restrictions. Also note:

  • The word “Lifetime” means as long as the original individual owner of a single family detached residence (or the second owner in certain circumstances) owns the property where the shingles are installed. For owners/structures (e.g., a church) not meeting above criteria, Lifetime coverage is not applicable. See limited warranty for complete coverage and restrictions.
  • Installer certification is only for installations covered by GAF system warranties.
  • Maximum wind coverage requires special installation. See limited warranty for complete coverage and restrictions.
Coryell Roofing is a Duro-Last Platinum Contractor again in 2023!
Coryell Roofing awarded the Duro-Last Chairman Award in 2014.
Coryell Roofing awarded the Duro-Last Chairman Award in 2018.
Coryell Roofing awarded the Duro-Last Golden Eagle award in 2017.
Coryell Roofing awarded the Duro-Last Golden Eagle award in 2020.
Coryell Roofing awarded the Duro-Last Golden Eagle Award in 2021.
Coryell Roofing awarded the Duro-Last Contractor of the Year award in 2023.
Sika Sarnafil
Sika Sarnafil website

Coryell Is A Member Of The National Roofing Contractors Association
Associated General Contractors Of America
Roofing Contractors Association Of Texas Logo
Oklahoma Roofing Contractors Association Logo
Oklahoma Construction Industries Board Logo
International Facility Management Association Oklahoma City Chapter Logo
Greater Oklahoma City Chamber Of Commerce Logo
Arkansas Association Educational Administrators
Arkansas Rural Ed Association
United School Administrators Of Kansas
Missouri Association Of School Administrators
Missouri School Plant Managers Association
CCOSA Logo
Organization Of Rural Oklahoma Schools
Tennessee School Board Association
Tennessee Organization Of School Superintendents
Friends Of Texas Public Schools
Texas Association Of Community Schools Logo
Texas Association Of School Administrators Logo
The Interlocal Purchasing System Logo
Best Roofers in Oklahoma City
Coryell Roofing & Construction, Inc. BBB Business Review
Search