Products / Commercial & industrial doors / Impactable sectional doors / Heavy-duty impactable door ASSA ABLOY AI4141 Series heavy-duty impactable door ASSA ABLOY AI4141 Series Heavy-Duty Impactable Door ASSA ABLOY AI4141 Series Heavy-Duty Impactable Door ASSA ABLOY AI4141 Series Clear Vision Panel Option ASSA ABLOY AI4141 Series Double Knockout Header Option The ASSA ABLOY AI4141 Series is the industry’s most rugged dock door, providing total knockout protection. Its durable features make it a great choice for facilities accustomed to moderate to severe panel damage, moderate to severe track damage and higher wind load requirements. It features a 1 ¾” insulated foam core panel with a damage resistant polymer interior facing that comes with a 2-year performance warranty. Technical description Full height 12 gauge galvanized steel track standard Optional Impact-A-Track™ provides total protection against the most abusive impacts from top to bottom. 1 – 3/4” thick insulated, foam core panel with damage resistant polymer interior facing. 2-YEAR PERFORMANCE WARRANTY Heavy-duty, retractable plungers allow door to release from the opening upon impact Tight perimeter Weatherseal eliminates air infiltration and light gaps. Seals are attached to the door panel versus the door jamb, keeping them out of harm’s way to provide a consistent seal Heavy-duty fabric hinges One lock for security Rugged door lifting handles (two per door) Flexible bottom seal for airtight fit to the floor Available Wind Load option Close Contact us Related products Wind load rated impactable doorsThe most rugged door providing total knockout protection. Medium-duty impactable doorThe most rugged door providing total knockout protection. Cold storage impactable doorThe most rugged door providing total knockout protection.