1. TheStrayCat

    Plastering (bonding) over a steel lintel?

    Im a bit concerned about applying bonding directly over a steel lintel holding up an RSJ in regard to cracking... Is there a trick to it or some mesh or a product that is good for these sort of scenarios where movement between 2 different substrates? Really trying to minimize cracking in the...
  2. R

    Steel lintel for patio door

    Anyone know what size and style lintel to go in a 3M wall where the patio door is 2.1M? Previously a window and block
  3. D

    Steel Beam wider than Cavity Wall - Extension

    Hi Currently have a builder doing an extension on my home and it requires a 305 steel being installed on posts. My aim/instruction was to 'hide' the beam but putting it higher in the property and the floor joists will then run into it. We have a 305mm steel beam but the cavity wall is 1980s...
  4. JLCSerious

    Light switch on new steel, fire approval

    Hi guys, I hope everyone is well :) Hopefully a quick question, I’ve had a wall removed and steel goal posts installed and now want to fit a light switch in the plasterboard that’ll be covering one of the vertical steels, will this be signed off by building control? Just thinking it may impact...
  5. U

    Lowering ceiling - increasing attic height / adding beams etc

    Hey everyone. Long time lurker here but I've only just signed up. **** tldr; I want to lower my ceiling using steel beams on party walls to increase attic headroom. The house is stripped out right now, so I have a lot of freedom. Can anyone advise on beam sizes, bearing depths etc? **** I'm...
  6. G

    Architect’s Outline Specification - how closely does this need to be followed?

    Hi, just looking for some advice on something. I’m getting a sunroom/extension built at the back of my house and noticed the builders are using 120 mm thick Kingspan floor insulation boards (TP10/TF70/TW55) whilst the Architect’s Outline Specification states that it should be 150 mm thick...
  7. P

    Steel frame garden room with no lintel in order to achieve particular aesthetic

    Hello! I am going to build a steel frame garden room (light guage steel) of size 6m x6m, with slimline sliding doors spanning the whole width of the front wall. There is essentially no steel on the front wall apart from where the side walls (150mm studs) come up to the doorline and past it on...
  8. Buenaventura Durruti

    Need to fix mounting point/hook through plasterboarded steel beam

    Hi, I want to install a hook or mounting point for a heavy punch bag and some other kit. I have a small house so it'll be a temporary thing in the living room. I want to be able to have a heavy weight hook or ring on a bolt that I can unscrew when I'm done with it. This will be screwed through...
  9. N

    Thermalite 3.6n blocks for steel - Help needed

    Hi All, Can somebody help me? I am doing an extension rear single storey, side double storey 7.6X3.5m front single storey on a semi. My question is about a double-storey wall. On left side I got an old wall (existing) backside steel sitting on the goalpost, first floor wall I can build on...
  10. T

    Foundations for porch

    Hello, I would like to build a porch on the front of my house and while I'm comfortable enough with the walls and roof, I'm not sure what foundations I should be building on. At the moment there is an old concrete slab around the front of the house, this has got a large crack near to a...
  11. oursurveysaid

    Fireboarding RSJ at floor level

    My wonderful builder left me with this mess after not quite finishing my extension. This is the bathroom above the kitchen where an RSJ ended up encroaching into the room at floor level. I want to tackle the puzzle of fireboarding it myself, but am not quite sure on what needs to be done to...
  12. leaf17

    Large cracks appeared during RSJs installation

    Hi all, Hoping for some advice on some concerningly large cracks that have appeared during our extension build. They appeared during the couple of days that the acrows were in place to support the back wall of the house and another smaller structural wall that's required a short steel. The...
  13. F

    Installing rsj

    Hi, I’m installing a 4m 152*152 23 rsj in a double skinned internal wall with no cavity. Both sides internal as it used to separate the garage. This is a bungalow so only has a triangle of brick above it which supports purlin. Because of existing lintel when I put the padstones in the steel...
  14. S

    Are acro props enough? Strongboys/scaffolding/racking shores

    Very soon we are intending on creating an open plan kitchen/diner by holding up the gable end of the house using "picture frame" type steels. The calculations mention considering to use scaffolding/racking shores? Are these necessary? We were intending on using plenty of Strongboy XLs (on a...
  15. T

    Padstone for Bifold Steel beam?

    Hi I have a single storey extension going in with a 4m long bifold to the garden, it is likely that due to this span we would be installing this steel with welded plate as you’ve shown in your detail drawing. My question is: Where this steel is supported at either side of the bifold, will the...
  16. A

    Removing internal walls - steel advice

    Hey, We are investigating the possibility of removing 3 internal walls (sections of walls) to make 3 small rooms into one large room. One 6.5 meters, Holding up floor joists and stud walls One 3.5 meters, No joists but a “vertical beam” that is under a roof purlin One 1.5 meters, Holding up a...
  17. K

    Attaching structural L angled steel trusses to granite

    I can make the holes in the steel and the granite fr attaching the bolts no probs. I've heard about epoxy systems etc for gluing bolts that hold structural steel onto stone. Anyone got an outline of the various methods for attaching steel to stone using bolts.
  18. N

    Steel Gate Latch.

    I’m looking for a latch for a metal gate which can be bolted on. I’ve seen one where it acts as a stop and you just flip the latch up and down to open and close the gate. Can’t find them anywhere. The problem I have is in the winter the bolt lines up great but in hot weather the gate drops and...
  19. P

    Replacing wheel/tyre compatability - upgrading to alloy

    Hey everone, Can someone help me get my head around the general rules in changing wheels/tyres on a car? I've got an old mk4 astra, and the tyres are going to want replacing soon. Seeing alloy wheels with tyres pop up second hand is quite tempting especially when they're about the same price...
  20. J

    42" TV, double plasterboard wall, steel "I" studs - mounting help

    Hello I'm trying to mount a 42" LG TV to my plasterboard wall. I have bought this bracket which has 3 holes for mounting in a vertical arrangement directly into a single stud...