Recent content by mturbo23

Yes! I guess I will find out for myself then. I will be running a dehumidifier in there anyway so I guess it should be ok

Hi I am planning to insulate my concrete prefab garage along with the roof using 20mm foil backed foam insulation boards. For the walls this is fine but the roof will be cement fibre big 6 corrugated sheeting. Will I need to ventilate this somehow as there will be air gaps due to the ridges...

Ok so something like this is what I was thinking initially. I guess i could also triangulate it off the other beam that is resting above the window/doors if I wanted. Would they be better horizontally than like this though?

Oh ok something more like this then?

Hi the ceiling will not be open/vaulted. From what i can understand you are recommending something similar to this? (Please excuse the poor diagram!) The only bit i dont fully understand is "This method relys upon a good fixing of the pole plate and you would need to add an angle...

OK that doesn't seem like a great option then. If I was to do it properly and used an RSJ what size would it need to be? Thanks

The flitch beam looks interesting but fairly expensive. Would a 75mm x 200m or similar beam be OK to use? Also does it change anything it I make the rafters 400mm centres instead of 600? Cheers

That is correct. Could I put a bigger piece of timber in instead or is an RSJ really needed? Cheers