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Expandable Foam for setting posts #6884497
05/28/20 10:27 PM
05/28/20 10:27 PM
Joined: Dec 2011
Posts: 10,308
MT
S
snowy Offline OP
trapper
snowy  Offline OP
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Joined: Dec 2011
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MT
Has anyone ever had any experience with using foam to set a posts verses using concrete?


Give me a fish, I will eat for a day. Teach me to fish, I will eat for a lifetime
Re: Expandable Foam for setting posts [Re: snowy] #6884504
05/28/20 10:35 PM
05/28/20 10:35 PM
Joined: Jan 2015
Posts: 3,446
Houghton Lake, MI
strike2x Offline
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strike2x  Offline
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Joined: Jan 2015
Posts: 3,446
Houghton Lake, MI
Why?


Wish I had more time to trap....
Re: Expandable Foam for setting posts [Re: snowy] #6884512
05/28/20 10:40 PM
05/28/20 10:40 PM
Joined: Dec 2011
Posts: 10,308
MT
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snowy Offline OP
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snowy  Offline OP
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Need pros and cons and would you advise using the foam verses concrete?


Give me a fish, I will eat for a day. Teach me to fish, I will eat for a lifetime
Re: Expandable Foam for setting posts [Re: snowy] #6884515
05/28/20 10:42 PM
05/28/20 10:42 PM
Joined: May 2011
Posts: 1,181
Golconda, IL
nramemb Offline
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nramemb  Offline
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Posts: 1,181
Golconda, IL
I wouldn't think it would last to long. it would absorb water then freeze

Re: Expandable Foam for setting posts [Re: snowy] #6884518
05/28/20 10:44 PM
05/28/20 10:44 PM
Joined: Mar 2007
Posts: 35,124
McGrath, AK
W
white17 Offline

"General (Mr.Sunshine) Washington"
white17  Offline

"General (Mr.Sunshine) Washington"
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Joined: Mar 2007
Posts: 35,124
McGrath, AK
I haven't and I wouldn't. Carpenter ants love that stuff .


Mean As Nails
Re: Expandable Foam for setting posts [Re: snowy] #6884520
05/28/20 10:45 PM
05/28/20 10:45 PM
Joined: May 2020
Posts: 999
Illinois
D
dkrug Offline
trapper
dkrug  Offline
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Joined: May 2020
Posts: 999
Illinois
What are you setting it in ?
What are you using it for?

Re: Expandable Foam for setting posts [Re: snowy] #6884522
05/28/20 10:49 PM
05/28/20 10:49 PM
Joined: Oct 2007
Posts: 673
higginsville, mo
H
headache73 Offline
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Joined: Oct 2007
Posts: 673
higginsville, mo
I saw a commercial for some foam that was made for setting posts, but I can't remember what it was called. Looked pretty interesting

Re: Expandable Foam for setting posts [Re: snowy] #6884524
05/28/20 10:49 PM
05/28/20 10:49 PM
Joined: Dec 2006
Posts: 9,652
ND
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MJM Offline
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ND
I saw they used it on telephone pole here in ND. So I would think it must work.


"Not Really, Not Really"
Mark J Monti
"MJM you're a jerk."
Re: Expandable Foam for setting posts [Re: snowy] #6884576
05/28/20 11:36 PM
05/28/20 11:36 PM
Joined: Mar 2014
Posts: 2,014
SE Iowa USA
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AKAjust Offline
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Joined: Mar 2014
Posts: 2,014
SE Iowa USA
I used it once for setting a satellite antenna post.
It was simple to use and held the post ok but I don't think it lasted long. The guy I set it for sold the house so I didn't have any follow up.
Oh yeah . I used it again setting a clothes post for Mom but Dad didn't like it and tore it out.
just.

Last edited by AKAjust; 05/28/20 11:39 PM.
Re: Expandable Foam for setting posts [Re: snowy] #6884577
05/28/20 11:37 PM
05/28/20 11:37 PM
Joined: Mar 2012
Posts: 257
Barbour county,WV
O
Oleo Acres Offline
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Joined: Mar 2012
Posts: 257
Barbour county,WV
you tube it,I watched a review,it filled up the hole,but later shrank and got loose,didn't seem to work well at all.

Re: Expandable Foam for setting posts [Re: snowy] #6884585
05/28/20 11:42 PM
05/28/20 11:42 PM
Joined: Nov 2007
Posts: 730
Indiana
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bluegrassman Offline
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bluegrassman  Offline
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Posts: 730
Indiana
watched my brother in law use it on a couple of fence posts. didn't impress me none. especially for what it cost.


Anyone that owns a gun and votes democrat deserves to have there gun taken, cause they truly are too stupid to own a gun.
Re: Expandable Foam for setting posts [Re: snowy] #6884599
05/28/20 11:53 PM
05/28/20 11:53 PM
Joined: Dec 2014
Posts: 1,173
nwpa
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furstroker Offline
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nwpa
Originally Posted by snowy
Has anyone ever had any experience with using foam to set a posts verses using concrete?


Not for exterior use, generally. Not without a vapor barrier or something to keep the subterranean vermin from intrusion.

Re: Expandable Foam for setting posts [Re: snowy] #6884772
05/29/20 08:31 AM
05/29/20 08:31 AM
Joined: Jan 2007
Posts: 2,663
S.E. Ohio
M
M.Magis Offline
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M.Magis  Offline
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Joined: Jan 2007
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S.E. Ohio
"Expanding foam" is a generic term. I assume you don't mean the crap in a can, obviously that won't work. The two part urethane won't work either, it'll break down in no time. There MAY be something out there used in the industry, but whether you can obtain some or not is another matter. I've never seen it, but maybe I never looked hard enough. But I can't think of any advantage a foam would have over concrete.

Re: Expandable Foam for setting posts [Re: MJM] #6884775
05/29/20 08:32 AM
05/29/20 08:32 AM
Joined: Sep 2010
Posts: 2,212
NE
M
Marty B Offline
"arbitrary noob"
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Posts: 2,212
NE
Originally Posted by MJM
I saw they used it on telephone pole here in ND. So I would think it must work.




Not just ND, I've seen it used by power companies all over the place.

Re: Expandable Foam for setting posts [Re: snowy] #6884823
05/29/20 09:22 AM
05/29/20 09:22 AM
Joined: Dec 2011
Posts: 10,308
MT
S
snowy Offline OP
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To answer one of the questions >>> setting 4x4x8 wood, for sings, on a volunteer project we are doing.


Give me a fish, I will eat for a day. Teach me to fish, I will eat for a lifetime
Re: Expandable Foam for setting posts [Re: snowy] #6884824
05/29/20 09:25 AM
05/29/20 09:25 AM
Joined: Dec 2011
Posts: 10,308
MT
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snowy Offline OP
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snowy  Offline OP
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MT
Yes, I have known that power companies use a expandable foam product as a backfill in issue spots. They support poles 35 foot and higher poles with the stuff.
I just don't know their success or cons have been with using it.


Give me a fish, I will eat for a day. Teach me to fish, I will eat for a lifetime
Re: Expandable Foam for setting posts [Re: snowy] #6884920
05/29/20 11:54 AM
05/29/20 11:54 AM
Joined: Jun 2015
Posts: 4,949
rogers city mi.
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jeff karsten Offline
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rogers city mi.
As you are using it for public use better stay with a tried and true method
There probably is a product used but is only economical in large quantities and saves on labor


olden tyred
Re: Expandable Foam for setting posts [Re: jeff karsten] #6884971
05/29/20 01:24 PM
05/29/20 01:24 PM
Joined: May 2020
Posts: 999
Illinois
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dkrug Offline
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Joined: May 2020
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Illinois
Sand quicker, cheaper, and set tighter

Re: Expandable Foam for setting posts [Re: snowy] #6884994
05/29/20 02:08 PM
05/29/20 02:08 PM
Joined: Jan 2007
Posts: 2,663
S.E. Ohio
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M.Magis Offline
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S.E. Ohio
I can't speak for all soil types, but using sand around here just leads to failed posts and more work later pulling them out and doing it right. I've tried it all looking for an easier way, sand, stone, pea gravel. But back fill and tamp or concrete are the only ways that last here.
What's the aversion to just using a sack of concrete?

Re: Expandable Foam for setting posts [Re: snowy] #6885006
05/29/20 02:30 PM
05/29/20 02:30 PM
Joined: Feb 2010
Posts: 683
SD
T
Tray Offline
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SD
I used it on a gate post in my yard 2years ago and have had no troubles so far. Stuff I bought was in a sealed rwo part sack and you break the seal between the two sides and mix them together before opening sack and poring in hole. Worked real slick and was cheaper then a sack of post cement.
Power line guys and Hwy dept have both been using for several years and guys I talked to highly recommend the stuff.

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