5 Step Crossover Ladders with 36 in. Long Platform | DockLaddersDepot.com
ORIENTOOLS Ladder Work Platform, Ladder Work Attachment,Ladder Accessory with 375-Pound Rated,Ladder Work Attachmen for Range 10.6"-12" (270mm~305mm) - Amazon.com
RollAStep C Series | Platforms & Ladders | Platforms and Ladders
Used Rolling Ladders for Sale by American Surplus Inc.
How to build a ladder platform, by Matt Fox of HGTV's room by room. - YouTube