There is no mandate that walls should be coming first.
Roof or walls first.
Most owner builders would be well advised to put up the roof first.
Having the roof completed before wall girts are in place helps protect concrete pour from weather elements especially rain or heat in summer.
Cob walls with no roof are vulnerable.
The roofing flashing is also easier to install without siding in place.
There are many ways to light up a darkened area by using roof lights such as illuminating off of ceilings by creating vaulted angles.
If you have anywhere close to 60mph winds you don t want to be anywhere near a sheet of osb trusses etc.
I prefer walls first as you get added structural integrity and ridgidity for roof weight etc.
This can negate needs to pay for a pump truck.
Pre mix trucks can access and chute through any accessible sides or ends.
The reason we suggest the roof to be installed first is due to certain siding accessories such as the j channels which would be installed on top of the new roof in some areas which would easy the install for both the siding and the roofing projects.
Only if it is a load bearting it goes as walls first.
Best of luck and take good care of your daughter on jobsite.
Speak to your architect about this as it can make a room look great.
If it is a pillar structure it can be done as roof first and then walls.
This gives more flexibility for the wall construction when roof is built first.
On the other hand if you paint the wall first then the trim paint could bleed over and.
However if the place you are painting contains a large area you may want to do the opposite and paint the ceiling first.
A roof with unfinished cob will suffer no harm.
It isn t critical whether you install flooring or paint the walls first in an empty gutted room but there are a few reasons why installing the flooring first might eliminate potential problems.
Always do your roof first as you said this will prevent stains or damage to your new walls when i plaster a room i start with the ceiling first so no mess falls onto the walls also some facia boards may be efected if heat is used on your flat roof hope this is of help regards dave answered 24th feb 2011 like 0.
To remove the avoidance of doubt it would probably be better to do any support work to the walls first then do your roof alterations.
Many projects experience delays.