Choice of glulam beam

[JF.]

Hello!

I'm leaning towards using the ridge beam with rafters for my garden shed. The shed is 270x506cm and will have a metal roof. I live in Västmanland, so there isn't a lot of snow. Can I manage with a glulam beam of dimension 66x315mm, or do I need to go up to 90x315mm? Does anyone have any input here?

 

[Plupp 618974]

Swedish wood has a twist for this!

https://www.byggbeskrivningar.se/dimensionering/nockbalkar-och-takasar/

 

[JF.]

Svenskt trä har en snurra för detta!

[link]

Thank you!

 

[Plupp 618974]

Thank you!

Thank Swedish wood, God's gift to us DIY enthusiasts.

What beam did the calculator determine?

 

[JF.]

Thank Swedish wood, God's gift to us DIY enthusiasts.

What beam did the calculator come up with?

66x315 gives a utilization of 67% and a deformation of 19mm, 90x315 is definitely better, as the utilization becomes 46%.

 

[Plupp 618974]

66x315 gives a utilization rate of 67% and a deformation of 19mm, 90x315 is definitely better, then the utilization rate becomes 46%.

Ok, that's great! Note that it's based on European building codes with Swedish adaptations, so if it's OK according to that, you can be assured it's good enough. Especially for a simple building that a friggebod usually is.

Perhaps the roofing requires higher standards (on deflection), but it should be stated in their assembly instructions what is needed.

 

[JF.]

Ok, that's good! Note that it is based on European building codes with Swedish adaptations, so if it's OK according to that, you can be confident that it's good enough. Especially for a simple building like a friggebod often is.

Perhaps the roofing requires higher standards (for deflection), but it should be stated in their installation instructions what is needed.

Yes, 66x315 should be fine 👍🏻

It feels like metal sheeting shouldn't be so sensitive to deflection.