Lions Gate Garage Doors

Modern Tech

Modern Tech 3550

Our Modern Tech 3550 steel garage door offers the Beauty of Aluminum with the Strength of Steel. A steel face and a 2-inch thick R10.4 expanded polystyrene (EPS) core make the Modern Tech 3550 extremely strong and energy-efficient. It is built using our time-proven sandwich-type construction method and comes in four finishes: Black Satin, Dark Bronze, Brushed Nickel, and Bright White.


  • Section Joint: Tongue and Groove joint between sections with Thermal Break
  • Flexible Vinyl Joint Seal
  • 2" thick High-Density EPS, R=10.4
    R values are calculated specifically for the colder climates and offer the best long-term insulating value.
  • Panel Types / SizeContemporary Flush Smooth
  • Window Types / SizesStyle A (41-1/4" W x 14-5/16" H)Style B (41-1/4" W x 7-5/32" H)Style C (14-5/16" W x 14-5/16" H)
  • Finish: Baked on polyester enamel.
  • Colors selection: Black Satin, Dark Bronze, Brushed Nickel and Bright White
  • Bottom weather seal: U-shape loop type vinyl with adjustable aluminum retainer
  • Limited Lifetime Warranty Insulated Steel Warranty

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