Vapour Barrier queries

its a wide (say 3 inches) aluminium foil sticky backed tape

 

Vapour barrier is placed behind the plasterboards,on the inside of the walls normally poly sheet,i have used gaffer tape before around sockets and joins,Tyvek make a special purpose tape for the job its called house wrap.THis purpose made for what you need.Aluminium foil tape is used for insulation to seal joins and cuts

 

i dont know about framing mastic but Gyproc sealant is actually made for the job of sealing holes and also acoustic performance i would recommend you try some.nice large tubes as well

 

Its good that you are installing a vapour barrier, not only will it keep most of your water vapour in your home, it will block up all those holes that let your expensive heat escape.
As far as I know only Visqueen make a dedicated tape to use on polythene vapour barriers.
I hope you have plans to deal with the captured water vapour? A de-humidifier perhaps? As its a very fine gas that can penetrate almost everything and it has a propensity to find its way through the smallest hole and will happily make its way to the nearest cold spot to condense - if not in one room then another.

 

You want acoustic mastic as its very flexible and never dries out so will be able to stay sealed with any movement

 

Its good that you are installing a vapour barrier,
not only will it keep most of your water vapour in
your home, it will block up all those holes that let
your expensive heat escape.
As far as I know only Visqueen make a dedicated tape
to use on polythene vapour barriers.
I hope you have plans to deal with the captured water
vapour? A de-humidifier perhaps? As its a very fine
gas that can penetrate almost everything and it has a
propensity to find its way through the smallest hole
and will happily make its way to the nearest cold
spot to condense - if not in one room then another.

Is a vapour barrier standard on traditional construction in england? Is the problem being overstated i cant imagine homes with vapour barriers would have de-humidifier

 

As far as you know Perry! TYvek make the tape and have been doing it for many many years.DO you know how a vapour barrier worksand the exact purpose of it behind the PB?

 

Conlan even though pikeaary hasnt said i will hazard guess its a loft conversion that he is doing.