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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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fixings to secure posts into concrete foundations?
Hello, I am planning to build a well-insulated 'shed' type of office
with timber walls secured to thick timber posts, and with concrete foundations. I realise I could dig deep holes at each corner for the posts, and leave it at that. But could someone tell me what those things are called, made of galvanised steel, that you insert into the concrete and then secure the posts to (or inser them into), and then tighten up to make them rock solid? In a bigger version they are used to secure tall signs to on petrol- station forecourts; and at well-made 'temporary' buildings such as some bird hides. I guess hundreds of uk.d-i-yers will know what they are called! I'd be very grateful if someone could remind me, so it will be easier for me to check them out. Many thanks! Best regards, John |
#2
Posted to uk.d-i-y
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fixings to secure posts into concrete foundations?
HI John
On Thu, 20 Mar 2008 01:14:05 -0700 (PDT), John Nagelson wrote: Hello, I am planning to build a well-insulated 'shed' type of office with timber walls secured to thick timber posts, and with concrete foundations. I realise I could dig deep holes at each corner for the posts, and leave it at that. But could someone tell me what those things are called, made of galvanised steel, that you insert into the concrete and then secure the posts to (or inser them into), and then tighten up to make them rock solid? In a bigger version they are used to secure tall signs to on petrol- station forecourts; and at well-made 'temporary' buildings such as some bird hides. I guess hundreds of uk.d-i-yers will know what they are called! I'd be very grateful if someone could remind me, so it will be easier for me to check them out. Many thanks! Do you mean 'Metposts' ? Come in a range of sizes, and with 'spikes' on the bottom or flat plates with bolt-down holes.... Adrian |
#3
Posted to uk.d-i-y
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fixings to secure posts into concrete foundations?
On Mar 20, 8:42*am, Adrian wrote:
HI John On Thu, 20 Mar 2008 01:14:05 -0700 (PDT), John Nagelson wrote: Hello, I am planning to build a well-insulated 'shed' type of office with timber walls secured to thick timber posts, and withconcrete foundations. I realise I could dig deep holes at each corner for the posts, and leave it at that. But could someone tell me what those things are called, made of galvanised steel, that you insert into theconcrete and then secure the posts to (or inser them into), and then tighten up to make them rock solid? In a bigger version they are used to secure tall signs to on petrol- station forecourts; and at well-made 'temporary' buildings such as some bird hides. I guess hundreds of uk.d-i-yers will know what they are called! I'd be very grateful if someone could remind me, so it will be easier for me to check them out. Many thanks! Do you mean 'Metposts' ? Come in a range of sizes, and with 'spikes' on the bottom or flat plates with bolt-down holes.... Thanks Adrian. Aren't they for fence-posts? I'm after something a bit tougher, used e.g. for whopping great lamp-posts maybe? John |
#4
Posted to uk.d-i-y
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fixings to secure posts into concrete foundations?
HI John
On Thu, 20 Mar 2008 01:56:55 -0700 (PDT), John Nagelson wrote: On Mar 20, 8:42*am, Adrian wrote: HI John On Thu, 20 Mar 2008 01:14:05 -0700 (PDT), John Nagelson wrote: Hello, I am planning to build a well-insulated 'shed' type of office with timber walls secured to thick timber posts, and withconcrete foundations. I realise I could dig deep holes at each corner for the posts, and leave it at that. But could someone tell me what those things are called, made of galvanised steel, that you insert into theconcrete and then secure the posts to (or inser them into), and then tighten up to make them rock solid? In a bigger version they are used to secure tall signs to on petrol- station forecourts; and at well-made 'temporary' buildings such as some bird hides. I guess hundreds of uk.d-i-yers will know what they are called! I'd be very grateful if someone could remind me, so it will be easier for me to check them out. Many thanks! Do you mean 'Metposts' ? Come in a range of sizes, and with 'spikes' on the bottom or flat plates with bolt-down holes.... Thanks Adrian. Aren't they for fence-posts? I'm after something a bit tougher, used e.g. for whopping great lamp-posts maybe? All depends g There's three of the 4" spikey jobs holding down (or up ?) the supports for my car port. Spikes were 18" long but we didn't have 18" of earth to put them in - so shortened them and then set them in concrete. Survived the gales last week - so can't be that bad g There's probably a 'commercial' version available with larger sizes - but I'm not aware of it. How many did you need - and what size ? Would angle-iron set in concrete (or maybe 2 x ) do the job - bolts through the angle into the wood ? FWIW - when they built my new studio (12ft x 24ft) they embedded 3" x 1.5" steel frames into the concrete (one at each end and one in the middle) and then used enormous self-tapping bolts (!) to screw the timber framed panels to the supports. Very solid ! HTH Adrian |
#5
Posted to uk.d-i-y
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fixings to secure posts into concrete foundations?
On Mar 20, 9:07*am, Adrian wrote:
HI John On Thu, 20 Mar 2008 01:56:55 -0700 (PDT), John Nagelson wrote: On Mar 20, 8:42*am, Adrian wrote: HI John On Thu, 20 Mar 2008 01:14:05 -0700 (PDT), John Nagelson wrote: Hello, I am planning to build a well-insulated 'shed' type of office with timber walls secured to thick timber posts, and withconcrete foundations. I realise I could dig deep holes at each corner for the posts, and leave it at that. But could someone tell me what those things are called, made of galvanised steel, that you insert into theconcrete and then secure the posts to (or inser them into), and then tighten up to make them rock solid? In a bigger version they are used to secure tall signs to on petrol-station forecourts; and at well-made 'temporary' buildings such as some bird hides. I guess hundreds of uk.d-i-yers will know what they are called! I'd be very grateful if someone could remind me, so it will be easier for me to check them out. Do you mean 'Metposts' ? Come in a range of sizes, and with 'spikes' on the bottom or flat plates with bolt-down holes.... Thanks Adrian. Aren't they for fence-posts? I'm after something a bit tougher, used e.g. for whopping great lamp-posts maybe? All depends g There's three of the 4" spikey jobs holding down (or up ?) the supports for my car port. Spikes were 18" long but we didn't have 18" of earth to put them in - so shortened them and then set them inconcrete. Survived the gales last week - so can't be that bad g There's probably a 'commercial' version available with larger sizes - but I'm not aware of it. How many did you need - and what size ? Probably 4, maybe 6. Was thinking, to hold 6" square posts. Would angle-iron set (or maybe 2 x ) do the job - bolts through the angle into the wood ? Maybe. I'm not up on the lingo - does this mean L-shapes?? FWIW - when they built my new studio (12ft x 24ft) they embedded 3" x 1.5" steel frames into theconcrete(one at each end and one in the middle) and then used enormous self-tapping bolts (!) to screw the timber framed panels to the supports. Very solid ! I think maybe the things I'm after are like this: http://www.powrfab.com/Pages/ConcreteB.html I.e. three steel rectangles at right angles forming a |_| shape (shown at the left), or shaped: |_| |_| (shown at the top). The latter must be even stronger. Just so long as the concrete gets all the way round the thing and holds it down for a few decades, I'll be happy. :-) John |
#6
Posted to uk.d-i-y
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fixings to secure posts into concrete foundations?
HI John
On Thu, 20 Mar 2008 06:29:10 -0700 (PDT), John Nagelson wrote: On Mar 20, 9:07*am, Adrian wrote: HI John On Thu, 20 Mar 2008 01:56:55 -0700 (PDT), John Nagelson wrote: On Mar 20, 8:42*am, Adrian wrote: HI John On Thu, 20 Mar 2008 01:14:05 -0700 (PDT), John Nagelson wrote: Hello, I am planning to build a well-insulated 'shed' type of office with timber walls secured to thick timber posts, and withconcrete foundations. I realise I could dig deep holes at each corner for the posts, and leave it at that. But could someone tell me what those things are called, made of galvanised steel, that you insert into theconcrete and then secure the posts to (or inser them into), and then tighten up to make them rock solid? In a bigger version they are used to secure tall signs to on petrol-station forecourts; and at well-made 'temporary' buildings such as some bird hides. I guess hundreds of uk.d-i-yers will know what they are called! I'd be very grateful if someone could remind me, so it will be easier for me to check them out. Do you mean 'Metposts' ? Come in a range of sizes, and with 'spikes' on the bottom or flat plates with bolt-down holes.... Thanks Adrian. Aren't they for fence-posts? I'm after something a bit tougher, used e.g. for whopping great lamp-posts maybe? All depends g There's three of the 4" spikey jobs holding down (or up ?) the supports for my car port. Spikes were 18" long but we didn't have 18" of earth to put them in - so shortened them and then set them inconcrete. Survived the gales last week - so can't be that bad g There's probably a 'commercial' version available with larger sizes - but I'm not aware of it. How many did you need - and what size ? Probably 4, maybe 6. Was thinking, to hold 6" square posts. I guess it depends on 'precisely' what you want them to do. If it's just a case of stopping the wooden posts from moving, then the angle-iron solution might do the job for you. A 'socketed' solution might be a bit overkill - but then, I don;t know how exposed the location is... Would angle-iron set (or maybe 2 x ) do the job - bolts through the angle into the wood ? Maybe. I'm not up on the lingo - does this mean L-shapes?? Yes - sort of right-angled.... traditionally made from old metal bedsteads (had a little trailer to go behind the garden tractor that was made of the same stuff - worked well !) - but you can buy, reasonably cheaply, metal fence posts made from thickish angle iron - embedded in the concrete with a decent coach-bolt through then your shed's not likely to be going anywhere... FWIW - when they built my new studio (12ft x 24ft) they embedded 3" x 1.5" steel frames into theconcrete(one at each end and one in the middle) and then used enormous self-tapping bolts (!) to screw the timber framed panels to the supports. Very solid ! I think maybe the things I'm after are like this: http://www.powrfab.com/Pages/ConcreteB.html I.e. three steel rectangles at right angles forming a |_| shape (shown at the left), or shaped: |_| |_| (shown at the top). Looks like joist hangers to me..... You could use a couple of the u-shaped ones, bolted together so as to make a [_] [ ] Shape - and embed the bottom half in the concrete - then big bolts... The latter must be even stronger. Just so long as the concrete gets all the way round the thing and holds it down for a few decades, I'll be happy. :-) Don't know where in the world you are - but try making a simple drawing of what you want and ask around either builders' merchants or agricultural suppliers - I'm sure there will be something 'off the shelf' that could be adapted. HTH Adrian |
#7
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fixings to secure posts into concrete foundations?
John Nagelson wrote:
Hello, I am planning to build a well-insulated 'shed' type of office with timber walls secured to thick timber posts, and with concrete foundations. I realise I could dig deep holes at each corner for the posts, and leave it at that. But could someone tell me what those things are called, made of galvanised steel, that you insert into the concrete and then secure the posts to (or inser them into), and then tighten up to make them rock solid? In a bigger version they are used to secure tall signs to on petrol- station forecourts; and at well-made 'temporary' buildings such as some bird hides. I guess hundreds of uk.d-i-yers will know what they are called! I'd be very grateful if someone could remind me, so it will be easier for me to check them out. You need Metpost 'Concrete Ins'. http://www.metpost.co.uk/mp_concrete_in.html -- Dave - The Medway Handyman www.medwayhandyman.co.uk 01634 717930 07850 597257 |
#8
Posted to uk.d-i-y
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fixings to secure posts into concrete foundations?
The Medway Handyman wrote:
John Nagelson wrote: Hello, I am planning to build a well-insulated 'shed' type of office with timber walls secured to thick timber posts, and with concrete foundations. I realise I could dig deep holes at each corner for the posts, and leave it at that. But could someone tell me what those things are called, made of galvanised steel, that you insert into the concrete and then secure the posts to (or inser them into), and then tighten up to make them rock solid? In a bigger version they are used to secure tall signs to on petrol- station forecourts; and at well-made 'temporary' buildings such as some bird hides. I guess hundreds of uk.d-i-yers will know what they are called! I'd be very grateful if someone could remind me, so it will be easier for me to check them out. You need Metpost 'Concrete Ins'. http://www.metpost.co.uk/mp_concrete_in.html I'm willing to bet that's not what the OP is thinking of however. I've seen things that have a galvanised socket or "U" bracket for the post to sit in which is welded to a galvanised rod that is then set into the concrete which maintains free drainage of water away from the bottom of the post and keeps it clear of any groundwater. I keeps the timber relatively dry and I guess prevents any rot. Dunno what they're called though. ;-( TIm |
#9
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fixings to secure posts into concrete foundations?
On Mar 20, 7:45 pm, "Tim Downie"
wrote: The Medway Handyman wrote: You need Metpost 'ConcreteIns'. http://www.metpost.co.uk/mp_concrete_in.html I'm willing to bet that's not what the OP is thinking of however. Yes - I need something a little stronger, and bolts should definitely be involved, rather than just wedging the posts in. I've seen things that have a galvanised socket or "U" bracket for the post to sit in which is welded to a galvanised rod that is then set into theconcretewhich maintains free drainage of water away from the bottom of the post and keeps it clear of any groundwater. I keeps the timber relatively dry and I guess prevents any rot. Dunno what they're called though. ;-( I've seen these too, where the bottom of the post is above the top of the concrete, sometimes even with a gap, e.g.: http://www.tamlyn.com/index_files/PostAnchors.htm I'd prefer holders/brackets, though, where the concrete holds part of the thing in a downwards direction rather than just squeezing it from the sides. Those Powrfab things might be the ticket. I may be wrong, but I think they are made for the purpose I need, rather than for hanging joists? http://www.powrfab.com/Pages/ConcreteB.html Any idea where I might get them (or something similar) in the UK?? John |
#10
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fixings to secure posts into concrete foundations?
John Nagelson wrote:
On Mar 20, 7:45 pm, "Tim Downie" wrote: The Medway Handyman wrote: You need Metpost 'ConcreteIns'. http://www.metpost.co.uk/mp_concrete_in.html I'm willing to bet that's not what the OP is thinking of however. Yes - I need something a little stronger, and bolts should definitely be involved, rather than just wedging the posts in. There are two types, the wedge in and the bolt type. I've seen things that have a galvanised socket or "U" bracket for the post to sit in which is welded to a galvanised rod that is then set into theconcretewhich maintains free drainage of water away from the bottom of the post and keeps it clear of any groundwater. I keeps the timber relatively dry and I guess prevents any rot. Dunno what they're called though. ;-( This any good? http://www.screwfix.com/prods/85498/...st-Anchor-Base -- Dave - The Medway Handyman www.medwayhandyman.co.uk 01634 717930 07850 597257 |
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