Most likely you have a G.G. Schmitt & Sons product.
If it had three rungs and has a white coating it’s likely to be one of three ladders from G.G.Schmitt.
I’ll post a link below. You might have to copy it and paste it into the address field of your browser.



GG Schmitt part #L02F3202; L02F3200; L0213200 are all part numbers we have used.
My bet is you have the L0213200 model, it is our most installed ladder to date.