GAF Timberline HDZ System
Architectural shingles with strong value, dependable protection and the dimensional appearance preferred by many homeowners.
A complete system built with compatible GAF roofing components—not shingles alone.
ShinglesGAF Timberline HDZArchitectural shingle line selected for the roof.
StarterGAF Pro-StartStarter strip shingles at roof edges.
Roof ProtectionGAF Deck-ArmorRoof-deck protection beneath the shingles.
Leak BarrierGAF StormGuardProtection at vulnerable areas as required.
Ridge FinishGAF Seal-A-RidgeOr another compatible qualifying GAF ridge cap selected for the system.
VentilationGAF CobraAttic ventilation when required by the roof design.
Artisan installation components:
Roof-deck inspection after tear-off, drip edge, flashing, pipe boots, correct fasteners, sealants, cleanup and finished-work documentation as required by the approved scope.
Additional work requires approval:
Deteriorated plywood, structural repairs, chimneys, skylights, fascia, soffit and gutters are documented and priced separately when applicable.
