Why are you replacing them? They probably have no function at all in the actual roof truss, but are only used to hang the ceiling. Alternatively, you can nail a similar one on the other side of the roof truss (as seen in the example on the left in the picture).E Ecke16 said:
Aesthetically, a colleague with their own saw cuts beams in the same dimensions as the rafters. It will be open up to the ridge. The studs currently there are notched, etc., and not very pleasing to the eye. Mostly thinking that nothing is changed in the construction or anything like that.
Then I agree that aesthetically it would look nicer to replace them. You should, however, wait for someone with construction knowledge to respond to your thread for safety. But I believe that the beam doesn't have any technical function. If that's the case, you can attach the new beam however you like. However, consider that someone in the future might decide to build a ceiling, so ensure it's attached well enough to support it.E Ecke16 said:
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· Västernorrland
· 11 696 posts
However, keep in mind that the trusses will probably not be visible later, so where you attach the underlayers shouldn't matter. It's probably much easier to attach them like the old ones than to screw them in from underneath at an angle.
The parts you want to replace are called tie beams and their main task is to prevent the outer walls from being pushed out. They are subjected to tensile forces, which makes fastening them to the sides of the rafters suitable. However, it is fine to use strong brackets instead. Preferably with through bolts. If they are to be exposed, you can instead replace them with steel rods, which are much slimmer.
The beams that were at the same height as the chimney only rested against the chimney, and were only fixed to the rafters. What good did they do other than hold the ceiling? So if I replace them, should they be mounted like the old ones or with some sort of brackets or something similar?
They served the purpose I described above, they prevented the high beams from pushing out the outer walls.
Isn't it also attached to the chimney? (Admittedly, it's unsuitable, but that's another matter.)
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· Västernorrland
· 11 696 posts
Certainly, in this situation one might say that it has a function for the roof truss, but I actually believe those are installed afterward solely for the ceiling. They look far too flimsy to have been part of the roof truss from the start. Especially the attachment and finish, as in most cases, you usually add so that the end follows the roof slope to get the maximum attachment.
Only the ceiling joists on the roof truss at the height of the chimney are just attached to the rafter and rest loosely against the chimney. All other rafters have had double ceiling joists, one on each side of the rafter. At some point in time, they have raised all the ceiling joists and only placed one on each rafter. You can see nail holes and marks on the rafters from the double ceiling joists. Since they have the function of absorbing tensile load, should I then install the new ones in a similar manner or put in a metal brace instead?
Member
· Västernorrland
· 11 696 posts
If they have torn them down before and they looked different, then it is probably obvious that they were part of the truss construction. Then they have probably cheated significantly when they moved them and also removed half of them.
They have been raised about 15cm. Then I think one of the two originally there has been used. But at the same time, they have taken the opportunity to reduce the number by half... Anyway, perhaps the best is to put double as it was in the beginning. But keep the current height. The old height was a bit low.