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Technical Information :: Instructions :: ADA Jamb Modifications
Performance Standard


Outswing ADA Jamb Modification for ADA Sills

View specification diagrams for ADA Jamb Modification to reference cut locations

Outswing Sills – 5-5/8"

Low Dam Sill to ADA Jamb Modification

  • Cut off bottom of jamb 25/32" higher
  • Cut new dato 7/32" higher
  • 2° bevel
  • Drill 1/8" Dia. Hole in 2 places (per drilling template)

High Dam Sill to ADA Jamb Modification

  • Cut off bottom of jamb 1" higher
  • Cut new dato 7/32" higher
  • 2° bevel
  • Drill 1/8" Dia. Hole in 2 places (per drilling template)

Outswing Sills – 7-9/16"

Low Dam Sill to ADA Jamb Modification

  • Cut off bottom of jamb 25/32" higher
  • Cut new dato 5/32" higher
  • 2° bevel
  • Drill 1/8" Dia. Hole in 3 places (per drilling template)

High Dam Sill to ADA Jamb Modification

  • Cut off bottom of jamb 1" higher
  • Cut new dato 5/32" higher
  • 2° bevel
  • Drill 1/8" Dia. Hole in 3 places (per drilling template)