Building boards against moisture...

[MathiasS]

Here's a question from user "Gretakvist":

"I'm going to change the interior walls in our holiday home and I'm considering which building boards to use. The house is NOT heated in the winter so plasterboard is probably not recommended. I plan to panel, paint, wallpaper, and was thinking of using the same boards to 'dress' all the walls."

Best regards,
MathiasS

 

[Immobil]

The stingy Gretakvist who doesn't want the heat on during the winter should consider Minerit boards or another type of cement board.

They are expensive, but Greta saves a lot of money by not having to heat up. :-/ : ;D

: Asbestos cement is not an option, right? ??? :-/ :-X ;D

 

[MathiasS]

Is it really a problem to have plaster in a house that is not heated?

 

[PatrikJ]

I thought you needed at least around 10 degrees C to avoid moisture problems indoors...?

But maybe this isn't true?

/ PJ

 

[gretakvist]

To the jester 'Immobil' who apparently knows what he's talking about, I just want to say 'in your.......'

---'Is it really a problem to have plaster in a house that is not heated?' --- I don't know, isn't it more moisture-sensitive than like wood panels or similar.

 

[morsan]

When searching for heating during winter for a summer cottage, the offers vary
It apparently depends on where in our elongated country the house is located, how dry and cold the winters are :-/
I'm also wondering if gips is used as interior walls in a cold garage ??? Anyone know?

 

[Mjölnaren]

Read this thread last night and was at my building supply store this morning. Asked the question. They called directly to Gyproc (plasterboard) and their chipboard supplier while I waited.
The answer: Problems can arise with sheet material if the relative humidity exceeds 85% for an extended period of time.
(whatever this means) From Gyproc also came the additions: Check all cold garages with plasterboard walls and summer cottages that remain unheated during the winter.....................
Moreover: How many building suppliers keep their sheet material in heated spaces?
I will continue to screw sheets in unheated houses : 8)

 

[gretakvist]

Thanks for the answers regarding the plasterboard. If I now just want to put up ONE board as a base for painting, wallpaper, paneling, and don't choose plasterboard which needs an OSB underneath for screwing and such, and which could also work in unheated spaces, does anyone know??

 

[zankan]

Read this thread last night and was at my builder's merchant this morning. Asked the question. They called Gyproc (plasterboard) and their chipboard supplier directly while I waited. The answer: Problems can arise with sheet materials if the relative humidity exceeds 85% for an extended period.

And then wood is just as bad, even worse... Everything can mold at 85% RH, although not at low temperatures, but anything is possible. And I don't really want to believe that the plasterboard itself would be damaged by winter temps, etc....but one could be wrong....