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amakarevic 06-10-2013 11:11 PM

Makeshift scaffolding with two ladders
 
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I have a really high stairwell to do walls around (cca 18 ft). Scaffolding is impractical. I had rigged a temporary platform that I used to hang drywall and it worked well but I had to remove it because it was anchored into the structural framing and I needed to hang drywall where it was anchored. So I was thinking to put a 20' ladder at the landing of the stairs or the first stair leaning onto the wall that faces the stairs. Then I want to take another, shorter ladder (one piece 10') and rest one side on or near the top of the stairs and the other somehow suspend on the big ladder to act as a bridge between the stairs and the big ladder. From there, most areas will be able to be reached for drywall taping and mudding and later on painting.


My question is, since both ladders are the same width, are there contraptions (hangers) to mount on the big ladder to which I can suspend the small horizontal one? I googled "ladder accessories" but didn't find anything like. What is an accessory like that called? Because I can't just insert the small one into the big one securely. I was thinking some secure buckle/hook should exist for this type of rigging precisely.


See illustration.

jproffer 06-10-2013 11:48 PM

Quote:

Originally Posted by amakarevic (Post 1198975)
How do I suspend the horizontal ladder?

You don't. Ladders aren't made to hold weight that direction. Some of them WILL, but that's not their strong direction.

Get a walkboard instead of the horizontal ladder and do as you show in the diagram. The walkboard may have a "hook" on each end you can hook over the ladder rung.

That still may not be recommended, but I would probably do it with a walkboard...NOT with a ladder though.

joecaption 06-11-2013 07:29 AM

One of these works for me. Any box store or rental place will have one.

http://us.wernerco.com/view/Products...ks/PA200/PA208

I've also used a section of LVL or glue lam in a pinch.

jproffer 06-11-2013 08:08 AM

Absolutely. I would do it with something I built (small 'floor' section-ish thing). It wouldn't have to be a manufactured walkboard...but definitely not a ladder.

joecaption 06-11-2013 08:26 AM

I also would never lean that ladder againt the wall like that. The rungs can go right through the sheetrock.
I use one like this instead.
http://www.gorillaladders.co.nz/webf...ructionsV1.pdf
I bought mine at Wal-Mart for about $100.00.

jjrbus 06-14-2013 01:17 PM

I often build a "plank" from 2X4 and plywood. Can be built to any size. 2 long 2x4 and several short cross pieces, usually about 12" wide. I always screw them together and disassemble when done.
HTH JIm

jproffer 06-14-2013 01:53 PM

Quote:

Originally Posted by jjrbus (Post 1201106)
I often build a "plank" from 2X4 and plywood. Can be built to any size. 2 long 2x4 and several short cross pieces, usually about 12" wide. I always screw them together and disassemble when done.
HTH JIm

You had me until you said you screwed 'em together. :no:

But that's a whole different argument...anyone got Mike Holmes' number so he can give his 2 cents? :jester:

jjrbus 06-14-2013 04:01 PM

No screwing?

jproffer 06-14-2013 07:09 PM

Contrary to what's shown on MH's favorite show...screws don't have the shear strength that nails have.

EDIT TO ADD: You can screw the plywood onto the framing so you can remove/reuse it...but I would nail the frame.

jjrbus 06-14-2013 07:33 PM

Too vague a statement, but then I should have been more specific. If you are referring to what is commonly called "drywall screws" I would have to agree.

I am big on screwing! JIm

kwikfishron 06-14-2013 07:41 PM

Buy a 2x12 (or two) and you'll be fine. Don't cut them, get them dirty (mud/paint) or poke holes in them and you can return them. I've done that same stairwell setup many times that way (I keep the 2x12's though).

jproffer 06-15-2013 01:40 PM

Quote:

Originally Posted by jjrbus (Post 1201334)
Too vague a statement, but then I should have been more specific. If you are referring to what is commonly called "drywall screws" I would have to agree.

I am big on screwing! JIm

No screw (except maybe lag screws) have the strength of a nail. In the pull-out direction, yes...in the shear direction, no.

And I'm big on screwing too :thumbsup:, but I use nails, mostly.

jjrbus 06-16-2013 08:50 PM

There really is no shear strength involved. The long 2X4 are continuous with the 2X4 spacers, being just that, spacers, screwed in. The plywood is screwed to the tops of the 2X4's.

I love my cordless drill and screw everything. JIm

jproffer 06-16-2013 10:02 PM

Ok :)

When you're standing in the middle of it, and your feet don't happen to be over either of the long 2x4s, and the screws shear off and drop you, you'll see more clearly what I mean.

To each their own though :thumbsup:

jjrbus 06-17-2013 08:35 AM

One of us is missing something? In the unlikely event that all the screws sheared off, it would not drop. There is no shear involved?

I prefer and feel safer on this than a single 2X12 plank, that is a personal opinion.
JIm


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