Timbers should be bolted to steel beams but they maybe have not got round to it yet.
I work as a construction engineer but commercial rather than house build. I picked up from the internet a Haynes manual on loft conversions and its really good. I thought someone was taking ths p### when they told me about it as the last one I bought was for a mk1 ford fiesta Its worth buying to give an easy guide of what to expect and look out for displayed in the easy to follow manner of a typical Haynes manual.
I work as a construction engineer but commercial rather than house build. I picked up from the internet a Haynes manual on loft conversions and its really good. I thought someone was taking ths p### when they told me about it as the last one I bought was for a mk1 ford fiesta Its worth buying to give an easy guide of what to expect and look out for displayed in the easy to follow manner of a typical Haynes manual.