Impact Doors










ImpacDor® HD-175

The Aleco® ImpacDor® HD-175 is a rugged multi-use single piece polyethylene molded door body with corrosion resistant hinges and stainless steel mounting hardware for high performance and low maintenance.

The Aleco® ImpacDor® HD-175 attractive, rotationally molded polyethylene panels and corrosion-resistant hardware ensure minimal upkeep and maximum performance.

Monolithic door panels resist moisture, chemicals, dust, bending and torque.

The HD-175 features a 50% greater shell thickness than competitive models.

The shell thickens towards the spine and leading edges to maintain strength and resist fatigue from cart or lift truck impacts.

A steel tube strengthens and stabilizes the spine edge, plus the entire door is injected with urethane foam to add rigidity and dampen noise.

Unique 250° Hinge

The HD-175 low-wear helical hinge provides a simple, easily maintained gravity hinge design. Its precision aluminum follower travels smoothly HD-175 Impact Door Hinge Drawing over a wide bearing area to evenly distribute load while significantly reducing wear without problematic roller bearings. Hinge and supporting hardware are all corrosion-resistant materials.

The HD-175 Low-Wear Helical Hinge Features a Lifetime Warranty

Magna Impact Door

Available Colors

Note: Colors are digitally shown and may vary from actual color. Please request product sample for true color representation.

* some doors may not be available in all colors.

Available Options

  • Single pane 1/8" polycarbonate windows for washdown
  • Molded polyethylene tear-drop bumpers up to 48" tall
  • ABS or 18 gauge stainless steel impact panels up to 48" tall

Forklift goes through impact door

PDFSales Sheet

PDFSpec Sheet

PDF Word CSI Specifications

PDF dwg Architectural Drawing

PDFInstallation manual

pdf 3-Piece Frames


Industrial Plants

Food Processing Plants

Pharmaceutical and Medical Facilities

Retail Stores


Walk-In Coolers


1-3/4" (44mm) insulated door panels act as effective sound and thermal barriers

One-piece molded polyethylene shell resists penetration by moisture, dust and chemicals

50% more shell thickness at impact areas than comparable doors

Unique corrosion resistant helix hinge allows for up to 125 degrees swing in both directions

Galvanized mounting hardware

Industrial grade steel bracing the length of the door’s spine

Window sizes are dual pane 14"×22" on panels less than 36" wide and dual pane 18"×22" on panels 36" wide and up

Replaceable perimeter seals

8-3/4" high × 3" deep stainless steel jamb guards


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