rsj

I’m creating an opening (Proposed 1700mm wide) in my rear external ex solid wall (it has been rebuilt using cavity with a width to match existing, 230mm, just in ground floor and half length of the wall). There is a small window and a 900mm door in that wall panel I want the opening in for the...

Hi all, Firstly happy new year! well in a few hours at least. My issue is that i've just installed an RSJ downstairs in a supporting wall. The first floor joists run perpendicular to the said wall. To support i've a scaff board with acrows on one side of wall. Scaff board is pretty close to...

Hi All, Just a quick query regarding beams. Having my kitchen extended, as part of this we are breaking a main wall of the original house, The structural engineer has specified a beam to my builder, and ive seen the calcs but the beam he has specified is one 300mm by 7meter beam, to cover both...

My house is a 2007 build and i'm planning on removing the 3m wall between the kitchen and dining room to open it up. The wall is a breeze block support wall, supporting the upstairs floor joists only. Plan of action Get RSJ calculations from a structural engineer Notify Building Control and pay...

Hi, This is my first post, for a while I have enjoyed reading through many posts and learning :). I have a 3 bedroom end terrace (ground floor and first floor with truss roof), i have had an extension built to the rear of the house via permitted development (external size 3mx7m with vaulted...

Hi all, I'm after a bit of advice regarding steel beams and building control. I'm building a garage extension and have consulted a structural engineer who has provided beam calculations etc. I've put in the building notice to the council and have started shopping around for steel beams. My...

Hi All I have lifted the floor in our renovation to find the builders have not made a particularly nice job of attaching the joists to the RSJ as you can see in the photograph. Am I correct in thinking the proper way would be with a piece of word infilling the web of the RSJ and joist hangers...

Hi all, I'm putting 10 x 2 joists in for a flat roof. The span is about 3m from wall plate into steel and then the same out of the other side of the steel to the fascia. The steel section is 254 tall so I've gone for 10x 2 to give a flat roof and a flush ceiling. Can anyone advise on the...

Hello, I’m just about to fit some steels on my self build extension extension and I have the following questions- Do I need to use any kind of dry pack mortar or can I bolt straight down onto the pad foundation I have laid. It’s pretty flat as I levelled and smoothed it of after pouring...

I purchased a property a few months ago that had an internal garage knocked through to extend a lounge. This involves removing a load bearing wall and installing an RSJ. The work was completed four years ago and has a buildings regulation completion certificate. When purchasing the property I...

I thought that RSJs came with pre-drilled holes, but on our RSJ there appear to be 8 holes drilled instead of the 4 expected. Is this right? And should there be any documents/notes/calculations to back it up? 2016-08-27 19.18.18 by r_c posted 27 Aug 2016 at 8:04 PM

Hi guys, I have removed a non load bearing wall to open up my kitchen and diner however the doorframe and surrounding wall which was previously the entrance to the Kitchen approx 5ft accross has joists sitting on it. These joists come from each end of the house to sit on this wall and are...

Hi guys, Im hoping someone here can help. I am in the middle of a building project converting my current house into flats. I've employed an architect to do the complete design of the flats. However, his measurements have consistently been incorrect, which in turn has led to the structural...

Hi there I'm currently having some structural work completed at home. RSJs are in but I'm a bit suspicious of how upstairs floor joist have been supported. Basically the usual noggins have been wedged into RSJ and then another length of timber screwed to them. The upstairs floor joists are then...

Hi, so i am pricing up a job so i know roughly what it will cost and i've used this document http://www.mendip.gov.uk/CHttpHandler.ashx?id=1666&p=0 which gives beam size and padstone required for typical applications. The trouble is every builders merchant i've rung only does a 440x215x102...

Help! Been in my house for 6 months now, guy that owned it before knocked out a supporting wall down stairs to open it up, stuck an RSJ in to support wall above, BUT he's put one rsj full width of the house, but hes sat it on another RSJ thats sitting on both the chimney stacks! Making both...

Hi all, I'm planning on putting a 3m RSJ between my ground floor kitchen and dining room and looking for advice on the best way to temporarily support the wall load whilst the beam is installed. The joists in both the kitchen and dining room ceilings run parallel to the wall so the only weight...