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Replace Extension Ladder Bolts?

 
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Old 04-10-2019, 09:47 PM   #1
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Replace Extension Ladder Bolts?


I have a 20 foot heavy aluminum extension ladder from the late 70's or early 80's which we've been using since then no problem. All the rungs and everything seem perfect except the bolts which aren't aluminum of course are rusty so I want to replace the bolts.

I emailed Werner and said something like 'hi I don't have the exact model # but what type/grade bolts do you suggest', - they gave me a "The bolts are not to be replaced. Take the ladder out of service." i.e buy another ladder from them.


I don't see what the problem would be granted the bolts fit snugly through the holes with minimal rattle. It's basically just one nylon lock nut and one bolt per Rung Lock which is where all the weight is riding on, and then a nut and bolt on each of the clawed/hinging feet which I often use.


I wouldn't use a full threaded bolt, I'd use threading only on the end so the weight of ladder isn't resting on threaded section.

I know stainless is very rust proof but not very strong unless you spend like $10 per bolt for stronger grade. Hot Dipped Galv also very rust proof but not very strong, usually grade 2. So I'm thinking to use grade 8 yellow zinc, these are probably 1/4" bolts. Sounds good?

I don't know why I may be overthinking this but just asking anyway. I mean the ladder is rated for like 375 pounds, I'm about 180 max with tools/material, and even the weakest grade 2 HDGalv 1/4" bolt would hold thousands of pounds but I just want to make sure I replace them with the best option.
Any suggestions? thanks


Here are examples of that the bolts are replaceable despite what Werner said, and they are thicker on the shaft that the threaded section. What are these bolts called? But I can ask online bolt retailer too no problem.
These are probably grade 5 zinc not as strong or corrosion proof as grade 8 yellow zinc but either way no problem as long as they don't get rusty eventually:


https://www.zoro.com/werner-replacem...iABEgJoYPD_BwE


https://www.rona.ca/en/ladder---extension-ladder-locks







https://www.walmart.com/ip/Rung-Lock...100D/149593176


https://images.app.goo.gl/hRzk9o2mwFUJPiYc8

Last edited by ct123123; 04-10-2019 at 09:53 PM.
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Old 04-10-2019, 10:15 PM   #2
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Re: Replace Extension Ladder Bolts?


Can you imagine if they gave you info on replacing structural ladder bolts and someone was killed? Get a new ladder. If an employee falls and gets hurt and you wrenched on the ladder you will be named in a lawsuit. And it won't matter if it was the bolt that caused it or not.

It could be the best 200 bucks you've ever spent.


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Old 04-10-2019, 10:19 PM   #3
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Re: Replace Extension Ladder Bolts?


Shoulder bolts .
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Old 04-10-2019, 10:21 PM   #4
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Re: Replace Extension Ladder Bolts?


yea but I mean a bolt is a bolt granted it's the same or stronger strength and corrosion resistance, and scrapping a ladder for 4 bolts is a bit ridiculous. It would just be me using the ladder also BTW, and seldom do I need this ladder.



true liability is likely why Werner don't get into suggestions on replacement parts if there's no exact model # to go by. This ladder isn't even a werner it's a top of the line pro ladder a roofer left behind once... honestly not stolen or anything BTW.

Shoulder Bolt is what's called the bolt thicker on the shank than the threaded end. I'm just going to email the bolt websites and see what the strongest most rust proof they got in the size I need. The bolt can hold a car each basically, I am overthinking this I think.

Last edited by ct123123; 04-10-2019 at 10:24 PM.
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Old 04-10-2019, 10:24 PM   #5
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Re: Replace Extension Ladder Bolts?


Google Werner ladder parts , you should find what you are looking for.
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Old 04-10-2019, 10:34 PM   #6
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Re: Replace Extension Ladder Bolts?


I thought you had employees.


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Old 04-10-2019, 10:37 PM   #7
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Re: Replace Extension Ladder Bolts?


Buy a new one. They are cheap. Love when I get a new ladder. Gonna grab another 1A 24’ from city ladder next week to keep on my truck for estimates. Think it’s like $220.


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Old 04-11-2019, 07:51 AM   #8
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Re: Replace Extension Ladder Bolts?


A thing in most metro areas is bonded and insured and rated ladder repair businesses.

That is because the liability even on a new ladder is huge.

If you are a single proprietor/no employee outfit, yeah, we all have done "stuff". For the rest of us, you dick with it - you carry the full burden of whatever sh!t befalls you.

Throw the GD thing away. ffs
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Old 04-11-2019, 08:07 AM   #9
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Re: Replace Extension Ladder Bolts?


I've got a 40' with a sketchy rung that I should retire. I keep it because it's relatively lightweight for the size, but the round rungs are tough on the feet.

Every once in a while I jump on the loose rung to see if it's still holding. So far, so good.

Oh, and almost forgot that I have trouble collapsing the ladder, so I need a second ladder to reach up and hold open the mechanism as it collapses.

(Honestly, this ladder just sits in the yard now, but all of the above was true for a while.) :
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Old 04-11-2019, 08:13 AM   #10
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Re: Replace Extension Ladder Bolts?


A 40 year old ladder and you are worried about buying a new one?

Who even uses aluminum anymore. Those old ones have crappy locks and by now it has to be a bit floppy.

I wouldn't put any employees on it, or myself for that matter.

Also, why call Werner if it isn't their ladder?

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Old 04-11-2019, 08:16 AM   #11
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Re: Replace Extension Ladder Bolts?


Quote:
Originally Posted by VinylHanger View Post
A 40 year old ladder and you are worried about buying a new one?

Who even uses aluminum anymore. Those old ones have crappy locks and by now it has to be a bit floppy.

I wouldn't put any employees on it, or myself for that matter.

Also, why call Werner if it isn't their ladder?

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All my ladders are aluminum. You only use fiberglass ?


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Old 04-11-2019, 09:10 AM   #12
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Re: Replace Extension Ladder Bolts?


Scrap that antique out and buy a new one.
It is an OSHA violation to modify a ladder in any way, meaning you can't change bolts.
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Old 04-11-2019, 09:14 AM   #13
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Re: Replace Extension Ladder Bolts?


Quote:
Originally Posted by Fishindude View Post
Scrap that antique out and buy a new one.
It is an OSHA violation to modify a ladder in any way, meaning you can't change bolts.


I have a 35’ ladder that used to be a 36’. Also have a 31’ that used to be a 32’. Truck clipped the back of my truck lol.


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Old 04-11-2019, 09:16 AM   #14
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Re: Replace Extension Ladder Bolts?


Quote:
Originally Posted by NYgutterguy View Post
I have a 35’ ladder that used to be a 36’. Also have a 31’ that used to be a 32’. Truck clipped the back of my truck lol.


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OSHA Violations if push came to shove.
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Old 04-11-2019, 09:59 AM   #15
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Re: Replace Extension Ladder Bolts?


If you inspect the ladder very closely you may see other signs of wear, if they ride around on ladder racks that is surprisingly hard on aluminum ladders and they can wear where they ride on the racks.
Like others have said we have all done stuff we shouldn't but if you have an employee or anyone but you will climb it then forget fixing it and scrap it.

If you are an empoyer you open yourself up to massive liability should something happen and that is how you have to think. No one likes it.
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Old 04-11-2019, 10:08 AM   #16
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Re: Replace Extension Ladder Bolts?


As a side story regarding ladders, one of my employees had an old step ladder that he owned in the back of his truck. One day I looked at it and suggested he replace it as it was in poor shape. He knew he should but never did. I finally was tired of seeing it and worrying about him or someone else on it (not on a job but at his home on a weekend) so I cut the ladder up and went and bought him a new one.
Yea I take ladder safety seriously and I did not want my employee hurt in a fall on his own time.
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Old 04-11-2019, 10:10 AM   #17
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Re: Replace Extension Ladder Bolts?


If your ladder was much older it would be cut up and leaning on a living room wall holding a quilt. You will like a new one.
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Old 04-11-2019, 10:27 AM   #18
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Re: Replace Extension Ladder Bolts?


Rusty bolts? Wire brush, tape off, spray, done.
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Old 04-11-2019, 10:32 AM   #19
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Re: Replace Extension Ladder Bolts?


Quote:
Originally Posted by NYgutterguy View Post
All my ladders are aluminum. You only use fiberglass ?


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Yep. Aluminum isn't safe around wires and I can't stand to touch it. It's an OCD thing.



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Old 04-11-2019, 10:34 AM   #20
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Re: Replace Extension Ladder Bolts?


I have an extension ladder older than the OP's that rated for 650lbs or so. Almost never need it. I'm not getting a new one in my lifetime unless that one gets ruined.

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