The technologies incorporated into Landmark shingles are the keys to unlocking both the 15-Year WindProven™ Limited Wind Warranty and the 25-Year StainGuard Plus™ Algae Protection Limited Warranty.

Landmark Shingles are made with our proprietary SBS-modified asphalt formulation and pass UL’s toughest impact-resistance test — UL 2218 Class 41. That means they can really take a punch from Mother Nature.Landmark Shingles are not warranted to withstand hail damage.215-year WindProven™ limited wind warranty on Landmark Shingles requires the use of Landmark starter strips, roof deck protection, ridge cap shingles, and leak barrier or attic ventilation.