All Questions
61 questions
0
votes
2
answers
75
views
How can I protect a 8x8 post from 8" of concrete?
I am pouring a slab but there is a 8x8 post in the way how can I protect at least 8" of post from the concrete eating the post?
0
votes
1
answer
105
views
Connecting two Aluminium post together
I have aluminum fencing post of 7 ft. Because of less height, I cant use this to insert directly into the concrete to have additional stability and strength. One option is directly installed on a ...
- 1
0
votes
0
answers
45
views
What is the correct spacing for support posts when building cottage?
We are planning on building 20x24 or 24x32 vacation house. Its located in Ottawa region on Canadian shield (from what everyone is telling me). But it is very rocky there. Impossible to dig more than a ...
-1
votes
1
answer
33
views
Wood Information Podium/Lectern Footing Re-build using Concrete and Post Bases [closed]
I am working on charity project for a local historical site. They have information signs that are on 6x6 wood that of course is rotting since they were set into the ground. The plan is to keep the ...
- 1
0
votes
0
answers
34
views
What is the maths formula to determine the size/weight of a pot/anchor that will hold posts for a sunshade under tension?
I want to erect a non-permanent sunshade in my yard. Instead of anchoring it into the building or digging holes (this is a rental) I was going to use large plant pots, with a post in them. I could use ...
- 101
5
votes
3
answers
8k
views
How can I repair this rotted fence post with footing below ground?
I have two adjacent 4×4 fence posts that are wobbly. I excavated one:
It is set in a concrete footing that is maybe 4–6" below ground. The portion of the post that was below ground is rotten, ...
- 439
4
votes
3
answers
9k
views
How to secure these wooden porch posts to the concrete slab?
The front of my house has an overhang extension of the roof, held up by three posts. The posts are loose on bottom and I'm wondering how best to affix them to the concrete.
While they are stable most ...
- 1,692
1
vote
1
answer
672
views
How Deep should 4x4 post be for Cantilever style Pull Up Bar to eliminate deflection? [duplicate]
I have a pull bar. It is 48 inches in-width and spans out 32 inches with the "pullup" portion of the bar located 30 inches into the spanned out end portion.
I would like to know how deep ...
1
vote
0
answers
100
views
Remesh for post base concrete that will have lateral forces
Would using rolled up remesh be suitable for reinforcing the concrete in the below scenario?
I'm planning to install some post bases in some concrete which will serve as the bottom of a 16-ft long, 3-...
- 750
12
votes
4
answers
22k
views
Why use a tube for post footings instead of directly pouring concrete into the hole?
What are the reasons for using something like Quikrete's Quik-tube for pouring footings for posts rather than just pouring directly into the ground with a galvanized anchor set into the top of the ...
- 750
2
votes
1
answer
1k
views
Can I fill a hole with concrete that is close or even touches the footing of my house?
I am trying to put a wood post inside a hole filled with concrete. The hole is really close to my house footing (less than 2 inches), and I have a question:
Is it okay for the concrete in the hole to ...
- 317
0
votes
0
answers
1k
views
Crack in a post footing
I recently saw a lamp post that was newly installed in public place (Not my post).
It looked like a 6x6 with the footing poured around it. On top, the lamp extends out 3+ feet in one direction, so ...
- 249
1
vote
2
answers
7k
views
How much concrete for a 6x6 16 foot arbor post? Theory vs practice
I have a large arbor attached to my house, and one of the two 6x6 supports has rotted through at ground level. The posts are 12ft above ground level and the original invoice from the build says they ...
- 147
0
votes
2
answers
3k
views
How to make posts level across the top, with precut posts max length
I see other people asking similar questions, but it seems most have some wood to cut off the top of the post - I didn't plan for that when I cut it, so I want to get it level on the tops, and bottom ...
- 101
0
votes
2
answers
5k
views
How to repair this loose fence post footing?
I have a fence around a pool made of aluminum bar segments bolted into 4x4 wooden posts, which are set in concrete. At some point a few years ago some of the posts were replaced by cutting out a few ...
- 143
3
votes
6
answers
2k
views
Wood splitting wedge or masonry chisel okay to use for breaking up concrete?
I'm replacing a fence post which was a 4 by 4 with concrete poured around it. I have been trying to break up the concrete with a sledgehammer, which works okay but it is slow going.
Is it workable to ...
- 131
2
votes
1
answer
272
views
Roof overhang post rotting
I'm looking to redo part of this deck and found that the 4x4 post supporting the overhang has started rotting at the base. The frost line here is 48'', and after digging about 10'' I haven't hit any ...
- 21
1
vote
1
answer
659
views
Should I set sunshade posts in concrete or on piers?
I have a concrete pad that is 12’x22’ that is standard 4” thick that we use for an outside dining area. We would like to add a sunshade to cover 90% of the concrete. The height of the sunshade will be ...
- 11
0
votes
1
answer
377
views
Can I set fence post concrete next to large rock?
I have holes dug for my fence posts about 3 feet deep, 12 inches wide for tubes and they will be about 6 feet high.
2 of the holes have a large rock in the way (partially). I can reach the depth for a ...
- 1
3
votes
1
answer
1k
views
When setting fence posts, does the post need to go to bottom of the concrete?
FYI, Previous answers were 50/50 (going back 10y).
WHEN SETTING A POST IN A ROUND CONCRETE FORM:
..1.. Some answers said the post must touch gravel at the bottom for drainage,
..2.. the other 50% said ...
- 31
1
vote
1
answer
9k
views
setting post in quikrete in a plastic planter
I would like to set a 4x4 post (10 ft) in a tall, heavy plastic planter. I am using 2 50 lb bags of Quikrete. It says to just pour the concrete in, set the post, and then pour about a gallon of water ...
- 11
0
votes
2
answers
17k
views
Secure a 4x4x12 post
I do not want to dig a hole in my yard to install 4x4x12
I am thinking to buy 5 Gallon bucket and put the 4x4 in it and fill to the bucket with concrete cement.
Of course I will mix it with water.
I ...
0
votes
1
answer
371
views
Shallow mailbox post hole
I need to build a mailbox post (for two mailboxes) and have confirmed underground power and data cables exist.
Unfortunately the plans don't specify the exact position or depth and it's likely the ...
- 193
0
votes
0
answers
60
views
Pouring concrete slab around wood posts of covered porch [duplicate]
I have a covered back porch. Sloped roof attached to the house on one end and supported by four 4x4's which are cemented in the ground on the other end (I assume there are cement footers below the ...
- 158
1
vote
1
answer
831
views
Suspending a chair lift swing from a single pole
My wife's family used to run a ski area and she has one of the original 2-seater chair lifts when they replaced it with a bigger lift.
I recently refinished it as a gift to her and we we wanted to ...
- 111
1
vote
2
answers
6k
views
What's the best way to pour post footings under a patio slab?
I am looking to build footings for three 6"x6" patio cover posts which will support a 6"x8"x19ft beam for a 19ft wide x 16ft deep patio cover that will fix to my house using a ...
- 11
1
vote
1
answer
3k
views
Can I combine 2x4 lumber to build posts for barn?
Designing a barn/out-building for my off-grid place. Essentially this is an open structure (think of sticks with a roof), but part of which is a shed. The problem is, the longer poles will need to be ...
- 749
2
votes
1
answer
2k
views
Dirt or concrete for Aluminum fence posts?
Should I use concrete, dirt, or gravel to set aluminum fence post is disturbed soil? The soil was backfilled 9 months ago, and it may not be fully settled.
- 29
0
votes
3
answers
4k
views
How exactly do you set these post holders into concrete?
How should you set these bases into concrete?
Do you push them all the way down? Or should you leave a gap underneath? If you leave a gap, how big a gap should you leave? It has drain holes on the ...
- 367
0
votes
3
answers
284
views
Remove rotten mail post
I have to remove the rotten mail post and install a new one.
The post was broken. I have to take it out first.
The difficult thing is that the concrete around the post root. It's deep and hard. I ...
- 103
0
votes
2
answers
888
views
Rebar required for 24 ft tall 4x4 square steel tube 1/4 inch thickness, 4ft deep in a concrete base, horizontal load of up to 1,000 lbs at the top
I am installing a 24 ft 4x4 square quarter inch thick steel tube 4 ft into the ground with a concrete base of 28 inch diameter and just over 48 inches deep, so 20 ft of the post is above the ground. ...
- 1
0
votes
3
answers
746
views
Crawlspace Post to beam lumber grade
Recently we replaced some of the rotten and cracked true size 4 in x 6 in. posts under the house in crawlspace. The old posts were resting on concrete pads 24 in. x 24 in. and supporting a true size ...
- 117
0
votes
4
answers
8k
views
How do I calculate the concrete needed for a fence post?
I'm trying to determine how much concrete I'll need to set fence posts for a 6ft tall privacy fence. From what I've read these are the parameters I'll be using for each post hole.
Post: 4in x 4in x ...
-1
votes
1
answer
95
views
Diameter of an 11' foot high, 3" (2&7/8) steel post footer hole
I know that the general standard for post footers is to make the diameter of the footer hole 3 times wider than the post itself. However, I want to make sure that even in an 11' foot post (which seems ...
- 109
2
votes
1
answer
3k
views
Concrete post base wood too tight
I'm using the Simpson PB66Z "Galvanized Post Base" to attach my pressure treated 6x6 to the footing. The wood seems to be slightly too large to fit such that the bottom of the post rests on the metal. ...
- 151
2
votes
6
answers
226
views
Bistro lights for wedding structurally sound?
Hey guys and gals, 1st question here. I’m having my wedding in my backyard and my fiancé insisted on having a light canopy of bistro lights in my back yard. Of course I obliged, but the quotes I got ...
- 21
0
votes
2
answers
7k
views
What to use to backfill around the concrete pier block?
Given the image above:
What should I use to backfill the hole around the concrete pier block?
I am thinking to use one of the following:
(1) Paver base (again)
(2) Gravel
(3) Just the dirt that I ...
0
votes
0
answers
2k
views
Shade Sail post on brick/cinder block rooftop surface.
I am trying to install 4x4 wood posts to hold up a rectangular shade sail on my rooftop. The posts will be free-standing with nothing attached besides the sail.
Ideally, I would be able to attach ...
- 1
0
votes
2
answers
1k
views
What options do I have to seal the top of the concrete base of a galvanized steel post? Should I seal it?
As the subject line says I am looking for options to seal the top of the concrete base of a galvanized steel post? Should I seal it?
Update: Here is what my posts look like and the specs https://www....
- 3,529
0
votes
1
answer
2k
views
Cement Recommendations for Fence Posts
I am planning to event a fence this summer and, given the size of ~ 250 linear feet, am looking for the cheapest option for cementing the poles. I am considering the use of metal Postmaster (...
- 1
1
vote
1
answer
6k
views
What are my options for replacing a rotted fence post that is slanted in a large concrete slab?
My fence line sits on a slab of concrete that separates my house from the neighbor's house. So far, I was able to complete two posts via extracting the post rot and replacing the post in the 4x4 slots ...
- 171
0
votes
1
answer
937
views
Securely attaching a 4-ft 4"x4" lumber to concrete? [closed]
How can I attach/bolt a 4 ft treated 4x4 to concrete so it stands up securely?
- 2,133
1
vote
5
answers
51k
views
Concrete vs crushed gravel for fence posts in clay soil?
I'm prepping to build a fence in the back yard and am going back and forth between using crushed gravel and concrete. I've read lots of differing opinions on the pros and cons of each.
I'm leaning ...
- 206
0
votes
2
answers
2k
views
Concrete base for 21' 6x6 wood poles with cross arms
We are installing light poles at our church. They are wood, 6x6, have 5' cross arms at the top which extend 12" to the back and 4' at the front with the light fixture. (and of course there is a 45 ...
- 1
1
vote
3
answers
5k
views
How can I protect partially buried deck posts from decay?
I poured concrete footings for my deck. I put the galvanized post base and the 4x4 post on it. Now I need to raise the ground/dirt level as water puddles there. But if I raise the ground it will cover ...
- 23
2
votes
1
answer
1k
views
Drilling rebar hole in 12" concrete footing
My deck has 6"x6" wooden support posts sitting atop 12" diameter concrete footings. The tops of the concrete footings are about 16" above grade. When I inspected a little below grade, I discovered ...
- 145
2
votes
2
answers
249
views
Replace permatreated 4x4 Hand rail post on step where concrete holding it has cracked?
I bought a home 8 months ago where the deck handrail was planted at the edge of a concrete step as a 4x4 on the bottom step. The concrete at the edge of the step has cracked, the hand rail is wobbly, ...
- 21
0
votes
2
answers
1k
views
Best way to support carport posts
I'm wondering to reinforce the posts in my carport as it seems one good earthquake could throw these off.
Any thoughts on building a form out of wood and pouring concrete around and half-way up the ...
- 129
1
vote
0
answers
3k
views
Need advice on deck posts that will have concrete poured around them
I have a raised deck, attached to the side of my house on one side and held up by three posts on the other. Under each post is a small cement pad and the posts bracketed to those with a buffer piece ...
- 11
2
votes
5
answers
15k
views
Can I build a car-port on the side of my garage?
I have a 2-car attached garage but three cars in the household. While I'm obviously aware I can just leave the third car in the driveway, it inconveniently blocks the cars in the garage and in the ...
- 245