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T3512AS 12 ft Type IA Aluminum Twin Ladder

Performance Overview

StyleSizeReach HeightLoad CapacityTypePerformance Rating
Twin12 ft16 ft225 lbsType II Duty Rating

The T3512AS Aluminum Multi-use Twin 12 ft Step Ladder has a large aluminum extruded top and features a duty rating of 225 lbs per side making the series T3510AS ladders ideal for one or two-person jobs. The slip-resistant TRACTION-TRED® steps on the front and rear sections are all double riveted. Heavy duty aluminum brackets hold the slip-resistant foot pads.


  • Twin sided ladder design for one or two-person jobs
  • Maximum load per side, including person and materials, shall not exceed duty rating of ladder
  • Large aluminum extruded top with thick side plates
  • Slip-resistant TRACTION-TRED® steps on front and rear sections
  • Heavy duty internal spreaders
  • Step braces on top step and bottom five steps
  • Heavy duty aluminum foot bracket with slip-resistant foot pad


FeatureSize / Details
Size12 ft
Reach Height16 ft
Maximum Standing Ht9 ft 9 in
Load Capacity225 lbs
TypeType II Duty Rating
Performance Rating
Approx. Width35-4/5 in
Approx. Spread92-1/8 in
Pail Shelf IncludedNo
Spreader MaterialAluminum
CertificationsANSI A14.2 (2007); OSHA
Approx. Cu. Ft. Per Unit11.1
Approx. Shipping Wt. (kg)61.6

Package Contents

Part NumberQtyDescription


Top8-1/4 in x 14 in
Front Rails3 in
Front Flange7/8 in
Rear Rails3 in
Rear Flange7/8 in
Step Depth3 in

Additional T3510AS Series Models

Model No.SizeReach HeightMaximum Standing HtPerformance RatingApprox. WidthApprox. Spread
T3512AS12 ft16 ft9 ft 9 in35-4/5 in92-1/8 in
T3514AS14 ft18 ft11 ft 9 in39-2/5 in106-1/3 in