purlin

  1. J

    Split Purlin Help please

    We're purchasing our first home, the level 3 survey came back with a split purlin that may need to be replaced as temporary repair may fail. Can this be fixed without replacing full purlin? Would this be costly? We've been quoted 8k to replace and sellers are not willing to go half on fixing...
  2. K

    Loft conversion - temporary support for purlin during floor beam install

    I’ve attached a drawing to show the existing, temporary and final diagrams to help show the question. The structural engineer has designed our loft with 2 floor steels and a ridge steel. The installation of the first floor steel (beam A) is simple, as nothing needs to be removed to install it...
  3. H

    Purlin joint separated

    Hi all, first time posting, I'm hoping some of you kind folks might be able to help. A purlin in the roof of our new house was flagged up by the survey. One of the lap joints has separated, leaving something like a 1" gap (pictures give a good idea of the extent of the problem). The surveyor...
  4. M

    How to support existing rafters with a new ridge beam?

    I've got a gabled roof made up of two chunky pairs of rafters, and two dozen much lighter rafters that sit on purlins resting on the larger rafter (and the stone gable-ends of the property). It looks a bit like the diagram below: 1) Green 'lightweight' rafters 2) Purple 'heavy' rafter (which...
  5. M

    How to support existing rafters with a new ridge beam?

    I've got a gabled roof made up of two chunky pairs of rafters, and two dozen much lighter rafters that sit on purlins resting on the larger rafter (and the stone gable-ends of the property). It looks a bit like the diagram below: 1) Green 'lightweight' rafters 2) Purple 'heavy' rafter (which...
  6. G

    Chimney stack removed, purlin struts on joists? What's going on?

    Hi there, Link to images https://imgur.com/a/HTqoKSX We are looking at a terrace house that has had 6 walls removed across the first and second floor as well as a chimney stack removed. All building regs have been approved but I can't work out what's going on here. I assume the purlin used to...
  7. W

    Reinforcing a purlin thats ready to go...good idea?

    Hello! I found this forum from other "purlin nightmare" threads which had really good ideas. The roof section in question is an extension around 3m wide (completed around 15y ago) which is partly separated from the main attic by the old gable end, the main roof is built using trusses in the...
  8. E

    Roof leak causing rot

    Hi, I'm concerned we have mold/dryrot/fungi on the purlin and some rafters in the attic. We have what appears to be a leak on the valley, im wondering if this has caused the humidity to rise with it being summer and cause this. Could anyone identify or give some advice please? :( Pics uploaded
  9. S

    Is our roof safe

    We have been living in our house 16 odd years and of late have noticed that we have small walls in the loft that hold up wooden beams that act as some sort of roof support. I think they're called purlins from reading online. Our house is semi detached and there is a single purlin on the left...
  10. Louis1104

    Purlin Position

    Im in a chalet bungalow, there’s currently two bedrooms upstairs but on the side of the bedrooms there’s a fairly large loft space which I’m looking to put in an en-suite bathroom. My only issue is I’m currently facing is the purlin and the supports coming off it. Could the rafters be doubled...
  11. L

    Notches in Purlin

    Hi, hope this is in the right place. I’m currently renovating an old house (1900ish), and looking for some advice. I’ve recently removed the pine-clad ceiling in the bathroom with a view to replacing it with plasterboard. Half of the ceiling is sloped with the roof and the other half has been...
  12. A

    Purlin stud wall

    Hi everyone. I’m in a 1908 house with original second/loft storey with dormer. The room is about 4m long with two hefty purlins running from one wall to the next. Below the lower purlin there was an original Lath and plaster stud wall that I’ve taken out. (I did the same with the back room but...
  13. T

    Dormer extension advice please

    Hello, If this would be better off in another section of the forum please let me know. We are looking to add some living space in the eaves of the roof of a 1.5 story bungalow. I am hoping that we can get builders in to alter the roof, build a dormer structure and fit cladding, windows etc...
  14. T

    Supporting loft purlins with struts...angle issues

    Hello All - have been scratching head on this one. Need to get strut supports to sit on load bearing wall (where central props currently are just off-centre). To angle them so one end sits bird-beaked to purlin and other end sits on central load bearing wall seems too acute an angle to offer any...
  15. M

    HELP! Been let down by my SE at the eleventh hour...

    Hi all, I have some steel work scheduled for Saturday and the one remaining piece of the jigsaw hasn't arrived from our SE who has gone AWOL! I wonder if anyone here can help so that I can buy material tomorrow and not delay the fabricators. We are removing an exterior wall and fabricating a...
  16. N

    Supporting purlin to original state where supports removed

    Hello, Straight to the point! I've just bought my first property and I've stripped the loft back and uncovered what I think is inadequately supported purlins in the center (where they meet) where the previous owner has cut away structure to open up the space. https://imgur.com/a/A5BAEMR I...
  17. R

    How to extend purlin end into wall and replace another rotted end?

    Hi, I have recently purcahsed a house with the knowledge that I must address some of the short roof purlins as some of them are barely hangining onto the edge of the walls into which they slot - one by only just over an inch. Another has some rot in the end following a previous leak and needs...
  18. T

    Timber beam to support purlin?

    We had a pitched roof kitchen/conservatory extension done 11 years ago, single storey, 15 degree pitch, and we are now considering taking out the dividing wall between kitchen and conservatory, and removing the ceiling in the kitchen to give a more open feel. We paid for the services of a...
  19. J

    Roof/purlin strengthening

    Hi all, Had the results of a survey recently on a neglected early 1900's semi, had a few recommendations come back and not sure whether its anything to worry about or just a surveyor covering himself, after all the roof has managed ok this far. its got a cross gable roof with gable to side...
  20. S

    possible purlin support removal??

    hi everyone, I have recently started to create a loft space in my semi detached bungalow, I have researched building regulations regarding floors to which I am following, however I have two 3x2 supports underneath a purlin on the hipped side of my roof which are sat on a supporting wall...
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