Looking for advice on how to seat an RSJ into a brick wall.
This is quite a common piece of building work,
but i have been unable to find out much on the web.
Apart from one snippet i found,
the regulations no longer allow supporting beams to be set
into chimney-work.
Hi..All RSJ's should be set on a concrete pad stone..
It should be the thickness of at least 4 common house bricks..and set into the wall by at least 12 inches...to make up any gaps between RSJ and brickwork use roofing slates..
Most builders yards sell pad stones..in various sizes..
Hi.if your using an RSJ..it's a load bearing wall..you will need the councils permission to do the job..and they will want to check as the work is done..to make sure the house remains standing...
I live inside the M25 myself.
Pleased to meet you.
I am quite confused about this page,
it is about joist spans
i wonder if you could shed some light on it ...
i realise its not english, but i couldn't find an english one.
i will try to find the full url.
sorry my one finger typing is so slow.
Hi..Thumbnail not that clear...
What span are you going to cover with the RSJ?
Are you going to do the job yourself?
Is it for ground floor or upstairs?...different size RSJ for each
More info..two 6x3 sawn joists..run from brick wall to brickwall..set 3-4 feet from window wall and 3-4 feet from ajoining wall..run opposte to ceiling joists..
Set 6-9 inches into brickwork..
Cover with plasterboard..don't completely cut plasterboard to bend around joist..
As your making no structual change to the building no permission from council is needed..
What is an RSJ? I am more familiar with Microlam, Paralam, and Structural beam. If it is a beam for load bearing then here in the US the code says that all members bearing on masonry shall be not less than 4" and if bearing on wood not less than 3", so if the end of the beams rest on masonry, you need 4", if it will sit on wood then 3" is needed. Keep in mind that any load bearing member must be bearing to the footing. (This means that you need 3 2x's under each end, and you must have solid blocking under the subfloor to the foundation)
RSJ is a Brit term used loosely for supporting steelwork beams in
buildings.
The letters RSJ stand for 'rigid steel joist' and yes we have regulations
governing all sorts of methods of use and conditions for such members in
building work, here in England.
The names you mentioned are not familiar to me and sound like proprietory
terms to me.
I had intended to use a length of steel joist to provide additional
support to my existing structure, purely for my own reassurance, however
i am not going to use steelwork now.
After discussing options with 'blues_harp28' i've settled upon fitting a
wooden beam, similar to others in the house.
This is going to be a lot less trouble and effort, and will look like
the other beams, so i will be happy with that.
Thanks for your interest,
Cheers, John
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