Insulation/Framing after Waterproofing

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  #1  
Old 07-25-18, 08:50 AM
K
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Insulation/Framing after Waterproofing

Hello, I recently had a company come out and "waterproof" or water mitigate...my basement, they sprayed for mold, trenched down for a french drain, drilled weep holes around the perimiter and installed new sump pump, they also installed a ventilation system called EZ Breathe which moves bad air out. They lined the walls with some sort of plastic membrane (Vapor Barrier) and a dimpled sheet at the bottom as seen in this photo:



My question is, can i put up rigged foam board against this membrane/plastic prior to framing...can i frame directly over top the membrane? I believe the membrane is a vapor barrier called Vaporbright which is a multi-ply nylon weave and polymer laminate.

I was planning on going out and buying an R-10 rated foam board to fill the Rim Joists and then place on top of the rest of the membrane.

After searching for similar issues on these forums i believe what im looking to do is essentially what is being described as "Option 1" here: https://www.doityourself.com/forum/b...-basement.html
 

Last edited by Kevin Danko; 07-25-18 at 10:34 AM.
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  #2  
Old 08-04-18, 03:03 PM
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when you place your sole plate, use tapcons & adhesive as only the Lord knows thickness of replacement conc,,, many cheat & put back 2 or 3" instead of matching existing floor thickness,,, we leave 3" behind the stud wall for air circulation via fans,,, block basement walls ?
 
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Old 08-06-18, 07:44 AM
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Yes, block walls behind the vapor barrier.

Here's a before picture:



I know before i do much else i need to get the Egress window added - a contractor quoted me 5k to do that but im gonna shop around.
For the insulation, code in my area says to use R10 or R13
.
Ultimately Only Half of the Basement Will be Finished, my goal can be seen here:

 
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