I have had a few condensation issues in the past with my exterior bedroom wall which is cold all the time.
I have a cavity wall but no cavity wall insulation as the companies that do this stated my home was unsuitable as there are bits of rubble in the cavity.
I am in the process of redecorating and thought this would time to address this problem hence I have been thinking of dry lining it with some insulation.
Does anyone have any suggestions as to what would be most effective? Can I apply plasterboard straight onto the wall without hacking off the previous plaster as this doing that would be too messy? Would I use foil backed insulated plasterboard for this or is foil not acceptable as it would not allow the wall to breathe? Would it be better to apply battons onto the wall and plasterboard on top with insulation rolls in between?
Insulated boards are proving to be very expensive!!!!
I am thinking about using celotex ga4000 insulation boards instead.
50mm insulation boards(included is a vapour control barrier) on the wall held together by treated battens and then plasterboard on top, as per instructions. Does anyone know what the difference is between that and battening the walls first and then putting the insulation boards on top and then plasterboards?
Does anyone know if this is ok with my walls i.e. cavity walls and straight on to plaster?
a vapour barrier on the wall first??I have never done or seen it done.If you want to do the batten method the cheapest way is 50mmx50mm batten,then use 50mm drywall insulation,vapour barrier and then plasterboard,or paint the wall first with a buitumin paint instead of the vapour barrier
The insulated plasterboards are now up and skimmed. One final question, would it be an issue if I used vinyl wallpaper to decorate or do I need to stick to breathable paper/ paint? I ask this as there is a vapor barrier that has been created using the insulated plasterboards.
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