Does anyone else have a table that you can adjust the imposed load to zero? Or a formula of how to work it out?
Being a ceiling and with nothing above perhaps greater deflection is acceptable...as long as visually it does not sag?
Edit - Found this, page 27: -
C24 47x220 at 400cc = 5.93m...
To be honest I had not considered combustibility in my material selection......I was more concerned with plasterboard getting wet at some point, you do make a good point though! :cautious:
It's steel and metal profile sheet building. The roof it a very shallow angle and nearly collapsed in the snow of 2011. I've replaced the main structural metal beams as they bent at that time and put in a horizontal tie-rod as there was no horizontal tie before.
I don't think I want to put...
Hi,
I've had a good look at joist sizing tables but none seem to account for my, non-load bearing situation.
My garage is 6 x 7m and I'm building stud walls around the perimeter (I will insulate and cover in ply wood). Now I'm looking to spec a ceiling and need to size beams.
They will need...
I'm in process of insulation may loft and have a couple concerns. There is a ceiling vent in each bedroom, and looking as the vent from the loft side I think originally there would have been a crude wooden duct to connect this to the soffit, the picture shows one horizontal board and there are...