rsj long big

Hello there, long time lurker first time poster. But I've found these forums really useful as we embark on our extension project. We're taking out a 5.3m span of external wall (brick and block), bearing the first storey above and roof, and 2.7m internal wall carrying the joists (which run...

Hi I am planning a side return extension to my Victorian terrace house. The side wall is 7m long so we'll need a rsj this long to open up the whole side of the house. Our structural engineer hasn't done the detailed calculations yet but says it would probably need to be approximately 450mm deep...