This is my first post here, so please go easy on me :) I'm not a builder but I do have some experience of renovating a 15th century ex-Manor House, as well as having an enquiring mind!
I'm looking at buying a barn conversion in France. Although the oldest part of the building is c200 years old the roof is relatively new, being about 15 years old. There are a total of four King Post trusses and, in every one, the King Pin is not connected in away to the Tie Beam. All the Tie Beams have sagged (see attachment). I asked the Estate Agent about this and she said she's seen a lot like this and it's not a problem. Hmm, even though I'm not a builder, I'm pretty certain this can't be right.
Can anyone give me some advice on this, please? I've done some research to try to understand the construction and I believe that the King Pin should be under tension, holding up the Tie Beam, but this isn't happening. Is this a problem? Can it be remedied? Any help would be very much appreciated.
Hi mcemily You will probably have to consult a structural engineer to decide whether this issue is important for the integrity of the roof. I suspect that if the principle rafters have been properly joined to the tie beam there should not be a problem. However clearly the kingpin has not been soundly joined to the tie beam so there must be questions about the quality of the other roof elements. Regards S
Thank you for your reply, Stoneboy. It hadn't occurred to me to be suspicious of the integrity of the rest of the roof, too, so thank you for raising that! I'll get a structural survey done on this as soon as I can.
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