For CAD dwg and PDF files, scroll down to pattern links in 2 specification tables below.

Pattern       Number/CAD Link Dimensions in Inches Aluminum A x A1 B x B1 C CH-1AL 24 x 24 32 1/2 x 32 1/2 45 15/16 CH-2AL 30 x 30 38 1/2 x 38 1/2 54 7/16 CH-4AL 36 x 36 44 1/2 x 44 1/2 62 15/16 CH-5AL 42 x 42 50 1/2 x 50 1/2 71 7/16

Pattern       Number Dimensions in Inches Aluminum A x A1 B x B1 C CH-3AL 30 x 36 38 1/2 x 44 1/2 58 13/16 CH-6AL 30 x 48 38 1/2 x 56 1/2 683/8 CH-7AL 36 x 48 44 1/2 x 56 1/2 71 15/16

More Information

• H-20 Heavy Duty Aluminum Hatches (PDF)
• Top Mount Style Aluminum Safety Grate System (PDF)
• Pneu-Spring Technology (PDF)
• Top Mount Replacement/Retrofit Hatches (PDF)

Complete list of hatches

• View Images of all Hatch Models »

• Pedestrian Rated 300 PSF, Channel Frame, Weather Tight Access Hatch
  • Model DT-AOSG, Safety Grate »
  • Model DTD-AOSG, Safety Grate (double leaf) »
  • Model CH »
  • Model CHD (double leaf) »
  • Model LDT »
  • Model LDTD (double leaf) »

• Pedestrian Rated 300 PSF, Angle Frame, Non Weather Tight Access Hatch
  • Model LEC-AOSG, Safety Grate »
  • Model LECD-AOSG, Safety Grate (double leaf) »
  • Model LEC »
  • Model LECD (double leaf) »

• Heavy Duty H-20, Channel Frame, Weather Tight Access Hatch
  • Model DT-HD-AOSG, Safety Grate »
  • Model DTD-HD-AOSG, Safety Grate (double leaf) »
  • Model DT-HD »
  • Model DTD-HD (double leaf) »

• Heavy Duty H-20, Angle Frame, Non Weather Tight Access Hatch
  • Model EC-HD-AOSG, Safety Grate »
  • Model ECD-HD-AOSG, Safety Grate (double leaf) »
  • Model EC-HD »
  • Model ECD-HD (double leaf) »

• Hatch Options »