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Cold bridge, condensation risk, internal wall.


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G,day

due to me having a brain that flits about like a demented wasp

i have changed our internal layout, so a stud wall that would have been NON load bearing now needs to take an upstairs floor load. 

Im not worried about the loading the structural engineer is doing some sums on that as we speak, what I want to know is

 

we have a block n beam floor with the obvious void underneath, so with the non load bearing version the wall would have been built of the top of the screed on top of insulation 

what I need to do now is build this stud wall directly of the block floor with no insulation below the sole plate

do I lay a couple of courses of blocks to bring me up to height then the stud wall, or will I need to insulate the sole plate by using a load bearing insulated block like marmox 

being the sole plate is already of the ground what is the risk from condensation 

 

need to stop changing my mind.com. 

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26 minutes ago, Russell griffiths said:

G,day

due to me having a brain that flits about like a demented wasp

i have changed our internal layout, so a stud wall that would have been NON load bearing now needs to take an upstairs floor load. 

Im not worried about the loading the structural engineer is doing some sums on that as we speak, what I want to know is

 

we have a block n beam floor with the obvious void underneath, so with the non load bearing version the wall would have been built of the top of the screed on top of insulation 

what I need to do now is build this stud wall directly of the block floor with no insulation below the sole plate

do I lay a couple of courses of blocks to bring me up to height then the stud wall, or will I need to insulate the sole plate by using a load bearing insulated block like marmox 

being the sole plate is already of the ground what is the risk from condensation 

 

need to stop changing my mind.com. 

a non building professional approach

dpc top and bottom of the sleeper wall you are   building  between your beam and block floor and the foundation slab below

,presuming that slab is capable of taking the transferred load from above and pack it tight so you don,t point load beam and block floor 

could be rubbish --you decide --just my ramblings

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3 hours ago, Russell griffiths said:

do I lay a couple of courses of blocks to bring me up to height then the stud wall, or will I need to insulate the sole plate by using a load bearing insulated block like marmox 

being the sole plate is already of the ground what is the risk from condensation 

i'd certainly look at a course of marmox to mitigate cold bridging.

 

3 hours ago, Russell griffiths said:

need to stop changing my mind.com. 

definately!

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2 hours ago, Simplysimon said:

i'd certainly look at a course of marmox to mitigate cold bridging.

 

definately!

I’m very happy changing my mind, I get to walk in the front door and work out at exactly 6 in the morning the sun is just coming over that tree, so the window reveal needs to be cut back another 200mm to get the best view as I’m having breakfast. 

im so glad I didn’t go for a passive slab with all the drains in place, as I have completely rotated our en-suite 180 degrees as it just felt to cramped. 

I can see a number of changes coming before I’m finished. ??

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