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10-01-2009, 07:34 PM
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#1
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Member
Trade:
SE Carpenter
Join Date: Dec 2008
Location: US
Posts: 92
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fence posts
do you concrete your posts in ?
it seem a lot of fence companies do not.
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10-01-2009, 11:36 PM
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#2
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Custom Deck Builder
Trade:
Decks, patio roofs
Join Date: Mar 2006
Location: Eugene, OR
Posts: 2,245
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asked and answered (search button would also reveal results) ... three-four premixed bags per post per hole. 12"x30+" deep.
gravel in the bottom of hole under post for drainage.
just read an article today on a guy who uses one 60# bag per post per hole - wow.
not much of a footing...
Mac
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10-01-2009, 11:44 PM
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#3
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Member
Trade:
plumbing
Join Date: Aug 2009
Posts: 55
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I just installed 300' of privacy fence. I spaced the 4x4x8 treated pine postes 6' apart and used 1-80# bag of premix per post. I sunk the posts about 30" deep. I have seen fence companies use NO concrete. maybe thats why I see so many fences blown over after hurricanes.
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10-02-2009, 05:33 AM
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#4
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Member
Trade:
SE Carpenter
Join Date: Dec 2008
Location: US
Posts: 92
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Quote:
Originally Posted by BuiltByMAC
asked and answered (search button would also reveal results) ... three-four premixed bags per post per hole. 12"x30+" deep.
gravel in the bottom of hole under post for drainage.
just read an article today on a guy who uses one 60# bag per post per hole - wow.
not much of a footing...
Mac |
I just instaled a flag pole where i used gravel under the concrete for drainage. in the back uf my mind though im wondering whats to feep the concrete from seeping down into the gravel and clogging it up, thus voiding the drainage ?
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10-02-2009, 08:56 AM
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#5
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Trailer park boy
Trade:
Remodeling
Join Date: Mar 2008
Location: Castlegar, BC, Canada
Posts: 1,554
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Quote:
Originally Posted by BuiltByMAC
asked and answered (search button would also reveal results) ... three-four premixed bags per post per hole. 12"x30+" deep.
gravel in the bottom of hole under post for drainage.
just read an article today on a guy who uses one 60# bag per post per hole - wow.
not much of a footing...
Mac |
3-4 bags  Jebus.
I use 2, and sink the post 3 feet.
__________________
"Industry without art is brutality"
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10-02-2009, 09:40 AM
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#6
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Custom Deck Builder
Trade:
Decks, patio roofs
Join Date: Mar 2006
Location: Eugene, OR
Posts: 2,245
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I don't like building fences... I don't do them often. Too much manual labor, not enough design work involved.
But when I do, they're solid as hell. Thinking of switching to 4x6 posts for future builds because the 4x4s still have some play.
I use 10' tall posts so I have enough sticking out of the ground for a 6' tall privacy fence.
Mac
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10-02-2009, 09:48 AM
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#7
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Pro
Trade:
Construction Assistant Superintendant/Remodeler
Join Date: May 2009
Location: Jacksonville, Fl
Posts: 1,141
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Quote:
Originally Posted by BuiltByMAC
I don't like building fences... I don't do them often. Too much manual labor, not enough design work involved.
But when I do, they're solid as hell. Thinking of switching to 4x6 posts for future builds because the 4x4s still have some play.
I use 10' tall posts so I have enough sticking out of the ground for a 6' tall privacy fence.
Mac
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When I redo my POS fence I'm thinking of going with a taller (longer) post so I can put vinyl lattace at the top without scabbing to an 8 footer.
Interesting thought on the 4"x6" too. I might have to give that some consideration too. 
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10-07-2009, 04:00 AM
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#8
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Entrepreneur
Trade:
Residential home improvement
Join Date: Oct 2009
Location: Westbrook, CT
Posts: 3
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Quote:
Originally Posted by SNC
do you concrete your posts in ?
it seem a lot of fence companies do not.
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it all depends:
-wood: if You want Your wood post to rot out in time with the moisture trapped inside from the concrete which in the long run will cause the post to rot from the base. do not do this! dig a 30-40 inch deep hole with around the same diameter as the post and just set the post in with the dirt you dug out and tamp the post level!
but it still depends:
-metal/pvc: You want to always set with concrete! dig a whole about double the diameter of the post and around 30-40 inches deep and use type 1/2 cement with a good ratio of sand and stone mixed in to make a solid concrete; then just level properly and allow the post to set.
this is just the basics of post setting i suppose. let me know if you come across a hole you just cant dig or core drilling and quik-rocking! i can help!
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11-08-2009, 05:15 PM
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#9
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Registered User
Trade:
Fences & Gates
Join Date: Nov 2009
Location: Atlanta
Posts: 6
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I think it's a geographical thing. You can't set a solid post in sand but clay is a different story. I have seen a large amount of contractors where I am at stop using concrete to save money and get there bid lower. When you start cutting corners it could turn out pretty bad. A good fence starts from the ground up and that includes a solid post footing that will last as long or longer than the fence material. Regarding chain link, some contractors will only concrete terminal posts and drive the line posts. I set all my posts in a mix of concrete and a hydraulic concrete called quick rok. No c.
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11-08-2009, 11:08 PM
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#10
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Registered User
Trade:
Carpenter/general contractor
Join Date: Jul 2009
Posts: 2
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Fenceposts
I use a 4x4 9' , dig a hole thats 10'x about 36" deep, dry pack with a concrete mix then just add the water with a hose, leeching it in with some thing like a peice of rebar....
next year we will be switching to a 10' post and going almost 48" into the ground. i suppose it will be a real bitch if it breaks .....hahahaa.....
4x6 posts are a pain cause they are so much heavier.
we are up to about 200' every two days on fencing
happy erecting...hahahaa
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11-09-2009, 05:49 PM
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#11
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Member
Trade:
Deck builder /contractor
Join Date: Feb 2008
Location: Pa
Posts: 98
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We do vinyl only. 12" hole- 30" deep. 2 bags 80# sakrete mixed in hole. Who do ya believe??? 
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11-09-2009, 06:07 PM
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#12
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Pro
Trade:
Carpentry, Remodeling
Join Date: May 2006
Location: Toronto
Posts: 1,265
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4 x 6 looks pukey. 6 x 6 looks awesome. I always go down 48". Depth is more important than the amount of concrete you use. Unless your going into sand.
And seriously, some of you guys HAVE to stop carrying your own lumber. What are you thinking!!???
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The Following User Says Thank You to Chris G For This Useful Post:
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11-09-2009, 09:02 PM
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#13
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Super B
Trade:
General Contractor Lic. since 1984
Join Date: Mar 2007
Posts: 2,897
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Quote:
Originally Posted by qualityreliable
just set the post in with the dirt you dug out and tamp the post level!
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If your post is LeveL, would not that make it too close to the ground ? Or do you have a way of floating it in mid air ? 
I usually set my posts Plumb.
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11-10-2009, 11:56 AM
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#14
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Entrepreneur
Trade:
Residential home improvement
Join Date: Oct 2009
Location: Westbrook, CT
Posts: 3
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hahaha
Quote:
Originally Posted by skyhook
If your post is LeveL, would not that make it too close to the ground ? Or do you have a way of floating it in mid air ?
I usually set my posts Plumb.
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what ever you get the idea! haha. i just used the wrong term. i wish they could float in mid air...hmm save a lot of money!
__________________
Randy 
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11-10-2009, 01:42 PM
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#15
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Super B
Trade:
General Contractor Lic. since 1984
Join Date: Mar 2007
Posts: 2,897
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Quote:
Originally Posted by qualityreliable
what ever you get the idea! haha. i just used the wrong term. i wish they could float in mid air...hmm save a lot of money! |
Glad that you have a sense of humor.
Good luck in this tough economy.
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11-10-2009, 01:54 PM
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#16
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Pro
Trade:
Carpentry, Remodeling
Join Date: May 2006
Location: Toronto
Posts: 1,265
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Maybe he puts the level on the top of the post.
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11-12-2009, 09:28 AM
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#17
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Registered User
Trade:
decks,renovations
Join Date: Oct 2009
Posts: 2
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We used to build decks for a fence contractor that used crush and run with portland cement mixed in on site. They put up a good solid fence and no long term problems I am aware of.
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11-12-2009, 10:25 AM
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#18
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Pro-Storm Repair
Trade:
general contractor
Join Date: Feb 2008
Location: Fridgid north wisconsin
Posts: 26
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Quote:
Originally Posted by skyhook
If your post is LeveL, would not that make it too close to the ground ? Or do you have a way of floating it in mid air ?
I usually set my posts Plumb.
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Since we mainly build decks and Pole barns I would ne ABSOLUTLY intrested in your floating pole idea .....NOW that would deffinatly put a niche in our biz....Lmao 
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