Small Cabin

Small Cabin Forum
 - Forums - Register/Sign Up - Reply - Search - Statistics -

Small Cabin Forum / Cabin Construction / Vapor Barrier for cabin floor
Author Message
Ian33
Member
# Posted: 10 Feb 2021 17:18
Reply 


Is using vapor barrier on insulated cabin floor better than using adhesive when putting down subfloor?
Thanks

gcrank1
Member
# Posted: 10 Feb 2021 19:40 - Edited by: gcrank1
Reply 


Vapor barrier and subfloor adhesive, hmmm.
There needs to be a vapor barrier on the warm side before the insulation if insulated, this applies to floor, walls and ceiling/roof.
Is what you are really getting at is how do you make subfloor to joist adhesive work if you put a vapor barrier over the joists?
This is not a case where one is better than another, they are two different things for two different purposes.

Brettny
Member
# Posted: 11 Feb 2021 06:16
Reply 


You only need vapor barrier if your useing batt insulation. Use foam and you dont need a vapor barrier and the mice wont have a field day in it.

toyota_mdt_tech
Member
# Posted: 11 Feb 2021 18:27
Reply 


In my area, we use a black vapor barrier over the soil/ground and on the underside of the floor, a breathable barrier such as tyvek etc.

xinull
Member
# Posted: 17 Feb 2021 22:25
Reply 


@toyota_mdt_tech, the vapor barrier you put over the soil/ground, do you put gravel on top? if so, how much, just enough to hide the plastic?

I was thinking of doing just that to prevent moisture from rising under the cabin, but i've already place a layer of gravel down and didn't really want to have to dig it out, my plan was just to add enough gravel on top of the plastic to hide/hold it in place

Your reply
Bold Style  Italic Style  Underlined Style  Thumbnail Image Link  Large Image Link  URL Link           :) ;) :-( :confused: More smilies...

» Username  » Password 
Only registered users can post here. Please enter your login/password details before posting a message, or register here first.