How can I attach roof beams to a wall?

  • Erstellt am 2016-08-29 21:57:04

sauerpeter

2016-08-29 21:57:04
  • #1
Hello,

so our shed, about 60 sqm, is getting a new roof now. When we bought the property, the roof had collapsed. Now my question is, how do I attach the beams on top of the wall? At the front, they protrude a bit. The shed is 4.68m wide and the beams are 5.10m. I have rebuilt the top row of stones with aerated concrete to create a level surface. Is it enough to lay the beams on the walls and secure them with brackets on the left and right? Or is that not sufficient? The brackets would be 105x105x90 and the roof beams 80x160. Or beam shoes? Or can I screw the beams directly into the aerated concrete? Questions upon questions and I simply don’t know what would be best. It should also hold. Or should I embed the beams in the masonry?
 

Knallkörper

2016-08-29 22:14:49
  • #2
I would use beam shoes. So that there is still air and the beams do not push the walls apart. Do not embed in masonry. Is the masonry apparently load-bearing? Well, I wouldn’t call in a structural engineer for every little thing.
 

sauerpeter

2016-08-29 22:40:43
  • #3
Yes, the wall is load-bearing. What would you use for joist hangers? There are different kinds, including some with a kind of "wing." And then screw the joist hangers on top of the aerated concrete or place beams on the aerated concrete along the entire length and then nail the joist hangers to the beam?
 

sauerpeter

2016-08-29 22:43:14
  • #4

I agree with you when it comes to residential houses. But here it’s about a shed, which will basically only store junk permanently. Since I don’t want to waste money unnecessarily, I’m asking here about other experiences. Nothing more, nothing less?
 

Knallkörper

2016-08-29 22:54:49
  • #5
I was rather thinking of this variant. If the beams are supposed to protrude, I would also only put brackets on top of the wall. I wouldn't support a beam underneath without a good reason. What do you want to use as roofing on it?

 

AOLNCM

2016-08-29 22:57:29
  • #6
As already mentioned, embedding beams in masonry is out of the question. In a house, if there is no concrete ceiling, a ring beam is poured in which Halfen rails are embedded in concrete. Then the beams are aligned and fixed to the Halfen rails using nail connection anchors. Whether a shed, angle bracket, or beam shoes are sufficient mainly depends on the roof load.
 

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