vapour barrier

Hello, I am converting the garden brick shed into a garden office and music room. It is built from brick walls with a concrete floor. I’m planning to building a stud wall and insulate with mineral wool (rockwool). the brick wall is essentially the garden wall, where they have popped a...

Hello, I bought a wooden cabin/house in Sweden around 70 sqm (750 sqft) and am now renovating it… I’ve read a lot of things about vapor barriers and understand I should definitely do this for the walls and ceilings as I’m changing those anyway. But when it comes to the floor I can’t seem to...

Hello, Apologies for the long description, I guess being accurate is useful here. I am looking to find out if there is any benefit of installing a vapour barrier between a utility room and remaining living space of a small outbuilding, currently used as an office. There is a small partitioned...

Hello, I am designing my detached garage conversion, it’s a single skin brick building on a solid raft slab. I’ve had a look on multiple previous posts and cannot find a specific answer. I’ve post here and in the ‘building’ forum, not sure which is best. I am need of advice at the wall/floor...

Hello, I am designing my detached garage conversion, it’s a single skin brick building on a solid raft slab. I’ve had a look on multiple previous posts and cannot find a specific answer. I am need of advice at the wall/floor junction to ensure I do not get damp issues. My design is largely...

Hi, I'm creating a utility room ,and on one of the walls im fastening some plasterboard on to wood battens (and insulating in between the battens ) , The battens are in turn fastened to a brick wall. Should i still put up a vapour barrier on back side side of the inner plasterboard.? I'm...

Hi, we're doing up a stone house, and have lots of vapour-related potential problems. Today's problem: we have an RSJ across a room, both ends in external stone walls, supporting the first floor joists. We're installing internal insulation (stud etc.) on all external walls, so the RSJ is a cold...

Hi, Sorry if this isn't in the correct place but I am new to this site. I've got a wall that has an access panel into the eaves space and it's a stud wall with a polythene vapour barrier and plasterboarded straight onto the polythene (Done before I moved in) what insulation methods would be...

I have a timber frame structure mounted on concrete blocks around the perimeter, which are bedded on a concrete base.The concrete base has a membrane but is cut off flush. as i'm doing a solid floor inc Ufh made up of 150mm celotex , a seperation layer then UFH stapled on top , before a 75mm...

Have a good amount of damp proof membrane left which my builder previously used when laying down concrete. Really heavy duty stuff this: https://www.screwfix.com/p/capital-valley-plastics-ltd-damp-proof-membrane-blue-1200ga-15-x-4m/98181# I'm fixing insulated plasterboards with built in vapour...

Hi, I’m laying a vapour barrier on concrete slab before installing underlay fibreboard and laminate. Is the vapour barrier supposed to be stuck to the plasterboard - say up 1or2 inches? Or should it go under the plasterboard? I’ve already removed the skirting. thanks