Gimp Posted October 28, 2016 Share Posted October 28, 2016 I'm guessing the obvious answer to my question is yes, but do you think there is a likelihood of Building Control will want it checked out by a SE or just put the onus for it being structurally sound down to me as its not the structure per se. The construction for the stairs I am thinking of is quite solid and should be perfectly stable & strong enough, it will be built between walls on all four sides as it will be a square spiral, the treads I am thinking of at this time will be solid down to the previous tread and up to the next one. Is it something they question even unless the stairs look possibly weak on construction? Link to comment Share on other sites More sharing options...
MikeSharp01 Posted October 28, 2016 Share Posted October 28, 2016 My understanding is that you can build your own stairs but they need to comply with the building regs so best get hold of the relevent regs part K (K1 for stairs) and do what is required - this site explains it all well. Link to comment Share on other sites More sharing options...
TerryE Posted October 28, 2016 Share Posted October 28, 2016 Read the building regs. The section is quite short, and the rules are quite clear. There are constraints on the pitch, rise, goings, clearances on the landing, headroom, rails etc, but as long as your stairs comply with these and look solid, I really don't see the issue. There is no requirement for a "competent person" (e.g. professional certificates) when is comes to timber work. Link to comment Share on other sites More sharing options...
tonyshouse Posted October 28, 2016 Share Posted October 28, 2016 (edited) Never had a BI ask for structure on a stairs, they just walk up it. Built loads mdf window boards work well for straight treads, 28mm mdf for winders, ply for risers, strings straight ones we used large size sawn carcusing planered on one face and one edge. Gorilla glue is good, "rubber blocks" under the noses, all nice and solid, best to build on Fridays. Edited October 29, 2016 by tonyshouse 1 Link to comment Share on other sites More sharing options...
Gimp Posted October 28, 2016 Author Share Posted October 28, 2016 Thanks Mike, funny got that site saved in my bookmarks also, its quite good isn't it. Well, already familiar with the Part K Regs, I also know that there is a British Standard that applied in addition with some extra stuff just for Spirals, not a lot though I think. Importantly though I can find no mention on strength of stairs so I'm guessing your both right and so long as I do a real solid construction, which having four walls on each side of the staircase should aid in then the Building Inspector probably won't bring it up. In any case if an SE is asked to do structural calcs it should be enough to pass anyway. I guess people could be building them all the time to a traditional specification, mine will be a little different but no less solid, possibly more so. Only Info I could find was from Jen-Weld (pdf attached) on stair spec for materials used and the like so will probably go a bit by that also, so should be ok. JELD-WEN_UK_-_BWF_Stair_Design_Guide.pdf Link to comment Share on other sites More sharing options...
Gone West Posted October 29, 2016 Share Posted October 29, 2016 A friend converted a barn and built his own oak staircase and the BCO was happy with it. He didn't use a SE, just common sense. Link to comment Share on other sites More sharing options...
Tennentslager Posted October 29, 2016 Share Posted October 29, 2016 21 hours ago, tonyshouse said: best to build on Fridays. How come this comment Tony? Personally I like to eat fish on a Friday but that's another story... Link to comment Share on other sites More sharing options...
Crofter Posted October 29, 2016 Share Posted October 29, 2016 Maybe to let the glue set in peace? Link to comment Share on other sites More sharing options...
Onoff Posted October 29, 2016 Share Posted October 29, 2016 Built a straight set then a spiral set for the tree house: https://flic.kr/s/aHsjZwzDZQ Link to comment Share on other sites More sharing options...
tonyshouse Posted October 30, 2016 Share Posted October 30, 2016 Re Fridays, --. Then no one would go on it til Monday we never worked on week ends. Link to comment Share on other sites More sharing options...
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