In article ,
Red Green wrote:

You could safely extend your ladder at least 2 cinder blocks high.
Stack two blocks on all 4 corners and use 2x8s You gain about 18"

Safely? I don't think so unless there were a 4x8 sheet of subfloor laid
over it. This would cost maybe 1/3 the price of an 8'er. He's a
homeowner. He needs and will need for a long time an 8' er. "Safely
teetering" around on blocks with ladder legs is an oxymoron. You can even
omit the "oxy".

You could safely bolt 2x4s to the 4 legs of the step ladder extending
the height a foot or maybe 2 if that is enough.

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