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Kitchen Extension Support Pillar?

(12 Posts)
4yearsnosleep Wed 04-Oct-17 19:54:28

We're having a 10m x 3m extension on the back of our house, making a large room of 10m x 6m. We 'could' have a massive RSJ but it would be 45cm wide! We've been advised to have a support post or pillar. I have found loads of pics with a pillar but not a round steel post....any pics for me? Recommendations? Thanks grin

wowfudge Wed 04-Oct-17 23:17:22

Think of old warehouses and mills - or even a Victorian railway station canopy - where there are no walls in a large, open space.

Pascall Wed 04-Oct-17 23:32:46

Go for the RSJ.

4yearsnosleep Thu 05-Oct-17 07:45:06

Having spoken to the engineer, they don't think it's possible without a pillar as the RSJ will also eat into the head height and hubby is 6ft 4. We still need a hefty RSJ with the pillar too.

Tatlerer Thu 05-Oct-17 08:01:26

4years we are having a large extension and have the mother of all RSJs running across the ceiling. Initially it was placed quite low, which we really objected to as we wanted to maintain high ceilings (not least because DH is over 6 ft too). We had a crisis meeting with the builder, architect and engineer and a way was found to lift it up without disrupting/having to rebuild the ceilings above.

Our neighbour 2 doors down lives in an almost identical property to ours and has had a smaller extension with a round steel support pole- I have to say I don't like it. They've sort of pushed their kitchen island against it and painted it grey but it's the first thing you see when you go into a room. So, if there's a way your team can find to satisfy building regs without the pole I'd really push for that (unless you like an industrial style)

4yearsnosleep Thu 05-Oct-17 08:20:58

We aren't really industrial! We could do something like this but turn it into a cupboard. I'm still worried it sticks out like a sore thumb!

dynevoran Thu 05-Oct-17 08:41:27

I follow this lovely Instagram interiors account called simplythenest. She has a pillar but it's a smaller round steel type post. I guess it depends for you on what the structural engineer specifies as the diameter as to whether this will work - but I think this looks nice, not too industrial if that isn't really you. And also quite nice in that you can paint and make a feature of it. She says she will paint it bronze/copper for christmas which sounds lovely! Pics screenshots attached.

whatsthecomingoverthehill Thu 05-Oct-17 11:53:46

That's a pretty massive opening. Are they putting in posts either side as well as a central post?

A circular column shouldn't need to be too big if it is purely taking the vertical load and not being used for stability purposes as well. 168mm diameter, or even 139mm diameter might be possible.

(Wonders whether people will ever stop using the term RSJ when they haven't been used for at least 30 years).

namechangedtoday15 Thu 05-Oct-17 14:04:09

Have to agree, we've extended about 8m x just over 3m out and originally had a pillar in the plans. Builder got structural engineer involved again and we avoided it - the RSJ above has been built into the ceiling / floor void as far as it can, think it drops below the existing ceiling by a few centimetres but doesn't compromise head height much at all.

It makes for a much better (IMO) feeling of space, doesn't compromise view (have bifolds into garden) and furniture placement.

4yearsnosleep Thu 05-Oct-17 19:30:06

There will be supports each end, a bit like this. I'd really love the no pillar option, but if the cost is thousands more than a small support post/pillar then we would have to go with the support as we don't have a bottomless pit of cash

johnd2 Fri 06-Oct-17 15:31:46

Ours had a pillar which means the ceilings could be completely flush and the walls wouldn't need projections to rest the ends of the beams on (or a whole metal frame for the back of the house £££) so we went for that.
The architect said might as well use a brick pillar as once you have a pillar the size isn't a big effect. Even a metal pillar would need fire resistant plasterboard or equivalent.
In the end it looks fine, it's part of the island, and it's a bit like in offices or shopping centres where they have windows outside the pillars.

namechangedtoday15 Fri 06-Oct-17 16:09:44

OP the pillars either side can be built into the side walls to a certain extent so they won't stick out too far or can be disguised if you align them with the kitchen part.

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