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Problem: Converting Deck To Floor - Insulating

 
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Old 05-21-2009, 05:49 PM   #1
 
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Problem: Converting Deck To Floor - Insulating


Having an issue deciding how to best insulate a second storey 12 x 12 deck floor that will be converted to additional living space. We need to insulate the floor system in the best way possible as we live in a cold climate and the area under is unheated/outside.
The floor will not have heating ducts running through it as we can use alternate (electric bb ) for that area or a gas f/p .
Best methods?????
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Old 05-21-2009, 05:59 PM   #2
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Re: Problem: Converting Deck To Floor - Insulating


You should visit DIY chat room, this site is for proffessional contractors only.

Good luck.


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Originally Posted by Dadx4 View Post
Having an issue deciding how to best insulate a second storey 12 x 12 deck floor that will be converted to additional living space. We need to insulate the floor system in the best way possible as we live in a cold climate and the area under is unheated/outside.
The floor will not have heating ducts running through it as we can use alternate (electric bb ) for that area or a gas f/p .
Best methods?????

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Old 05-21-2009, 06:30 PM   #3
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Re: Problem: Converting Deck To Floor - Insulating


how about installing insulation?
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Old 05-21-2009, 07:01 PM   #4
 
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Re: Problem: Converting Deck To Floor - Insulating


haha . Thanks , but that was a given. My issue is not wether to insulate - but proper ammount and method , placement of vapour barrier etc.
Since the deck joists are 2x10, my understanding is that if I use a spray foam and completely fill the joist cavity, it also acts as the vapour barrier - but how about cost?? It should be warm enough.
Alternately, If i use batt insulation and fill the void completely, should I then install a rigid polystyrene to the underside ? This puts the Vapour barrier on the cold side which is not recommended????
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Old 05-21-2009, 07:25 PM   #5
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Re: Problem: Converting Deck To Floor - Insulating


Check with the IRC and leeds. Then go back to the diy room The last post proves you are not a pro
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Old 05-21-2009, 07:39 PM   #6
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Re: Problem: Converting Deck To Floor - Insulating


I would use a GOOSE DOWN COMFORTER Blanket to get that warm and cozy feeling in the winter time, I wouldn't worry about anything else.

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Originally Posted by Dadx4 View Post
haha . Thanks , but that was a given. My issue is not wether to insulate - but proper ammount and method , placement of vapour barrier etc.
Since the deck joists are 2x10, my understanding is that if I use a spray foam and completely fill the joist cavity, it also acts as the vapour barrier - but how about cost?? It should be warm enough.
Alternately, If i use batt insulation and fill the void completely, should I then install a rigid polystyrene to the underside ? This puts the Vapour barrier on the cold side which is not recommended????

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