Is r11 or r13 insulation better?
Hereof, is r13 insulation better than r11?
R11 is for sound and should never be used for exterior walls. It can be, but you're spending money with little benefit. R13 is standard 2x4 insulation. R13 is also considered a higher density batt, if you look and feel the 2 (r11 and r13), there is huge difference.
Likewise, how good is r13 insulation? Two-component closed cell spray polyurethane foam insulation provides R-values as high as 6.5 per inch of thickness, which means that you can achieve R-13 in a space as thin as 2.0 inches. It also blocks air leaks and drafts better than other insulation materials.
Hereof, is r13 or r15 insulation better?
R15 should be better than R13 by a little bit in the wall. If you have steel studs instead of wood, then the R15 and R13 walls would be about the same because of high conductivity of the steel. You will never get an R15 wall with R15 insulation if it was tested as a composite system.
What does R 11 insulation mean?
The R-11 kraft faced Batt insulation is comprised of pre-cut widths to fit between the studs and joists in your home. Owens Corning EcoTouch insulation is soft to the touch, easy to cut and install. In addition, EcoTouch insulation delivers comfort - helps homes stay cooler in the summer and warmer in the winter.