Should I add more foundation insulation? FLIR still showing heat loss. Flir pictures attached.
I put R-10 foamboard on my above grade basement foundation. I also air sealed and installed R-15 roxul. Today is the first real cold day this winter and its currently in the teens. I went outside with my flir and noticed that even with the r10 foamboard the foundation is still glowing with heat. Prior to insulating the foundation the outside temp on the foundation was in the 50s. Its 17 out right now and the flir is showing the foundation is in the 30s. There is definitely a massive noticeable improvement inside. Unfinished basement temps are in the 55-60 range now. They use to drop into the 40s. Should I add another r-10 on the foundation? Is it supposed to be closer to outside air temperature? My siding is showing outside air temperature? Thats at r18+. I have r3 foamboard under the siding and r15 roxul inside. Plus homesote and sheetrock
Here are the FLIR shots.
The 11.6 is the current siding temp. Might be off as its 17 right now.
The 35.4 is the current foundation temp with in r10 foamboard.
The 50.6 was taken before insulation. I think the outside temp was in low 30s.
The 59.2 is the current inside basement temp.
This is a great visual on how much heat loss an exposed concrete foundation has.
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