Aluminum is also fireproof, right?
DL-40 Plus cannot be ignited by sparks from chimneys and nearby fires the way wood and other shingles will. DL-40 Plus’s available class ‘A’ U.L. fire rating is proof of this advantage. Since most major residential fires spread from sparks landing on the roof, DL-40 Plus provides exactly the kind of protection that will stop a neighborhood fire in its tracks.
