In what situations is red oxide primer and/or fire rated plasterboard required on RSJs or Universal Beams?
If the beam was totally internal and not somewhere exposed then I can see why red oxide might not be required but what about fire board ? Is this now required on all new beam installations (or double up 12.5mm plasterboard)
If the beam was totally internal and not somewhere exposed then I can see why red oxide might not be required but what about fire board ? Is this now required on all new beam installations (or double up 12.5mm plasterboard)