I am currently in the process of renovating an Edwardian house and have been insulating all the ceilings before reboarding and plastering. I would like to insulate between the floor joists on the ground floor as well but when I have checked there is not a big enough crawl space to get under it and work.
I am thinking of taking up all the floorboards and stapling netting to the underside of the joists before putting on 100mm Rockwool, leaving a 70mm air void above the Rockwool for pipes etc.
1. Can anyone tell me if this is the right way to go about it?
2. Does anyone know what the current building regs are on this?
3. Can anyone let me know if this will cause a damp issue?
The reason I am asking is that I have had completely conflicting opinions, some people maintain that the insulator must be touching the underside of the existing floorboards and others have stated that an air gap must be left which is really confusing so any opinions on materials, installation etc would be really appreciated.
Thanks
I am thinking of taking up all the floorboards and stapling netting to the underside of the joists before putting on 100mm Rockwool, leaving a 70mm air void above the Rockwool for pipes etc.
1. Can anyone tell me if this is the right way to go about it?
2. Does anyone know what the current building regs are on this?
3. Can anyone let me know if this will cause a damp issue?
The reason I am asking is that I have had completely conflicting opinions, some people maintain that the insulator must be touching the underside of the existing floorboards and others have stated that an air gap must be left which is really confusing so any opinions on materials, installation etc would be really appreciated.
Thanks