Jun 29, 2006 #1 deereman Structural Mar 30, 2005 44 Does anyone know the r-value of a 12" thick fully grouted CMU wall. This wall is a basement wall.
Jun 30, 2006 #2 civilperson Structural Jan 13, 2006 2,399 Using heat transmission of concrete as k=1.3 (W/m K), the R value is approximately 1.33 for 12" thickness (R = 1/C, C=k/x, x= thickness, 1(W/m K)=0.5779(Btu/ft h F). Upvote 0 Downvote
Using heat transmission of concrete as k=1.3 (W/m K), the R value is approximately 1.33 for 12" thickness (R = 1/C, C=k/x, x= thickness, 1(W/m K)=0.5779(Btu/ft h F).
Jun 30, 2006 #3 JStephen Mechanical Aug 25, 2004 8,643 There's an HVAC and a Heat Transfer forum if that's not enough info. Upvote 0 Downvote
