Delta Drain Screw Fastener dimple board The drainage core is made

The drainage core is made from a special co-polymer polypropylene that provides high impact and tear resistance

North American Green's C350 is a composite turf reinforcement mat

DELTA®-FAST'ner holds your high-performance membrane in place

used in conjunction with a properly designed feeder hose

The woven fabric is fully bonded to the dimpled drainage core

Delta Drain Screw Fastener dimple board The drainage core is madeDELTA SCREW FASTENERS securely fix drain boards to perimeter insulating boards without penetrating the waterproofing membrane. They are ideally suited for mounting DELTA DRAIN onto perimeter insulating panels made of XPS with a minimum thickness of 2" (60 mm). The fasteners have a length of 2" (50 mm). Included Quantity: Box of 50 Pieces *Cannot be sold separately. Must be purchased with a pallet of Delta Drain rolls* NOTE: Dorken (Delta Drain branded