What is the R-Value of a Cinder Block Wall? Keep reading to discover these methods along with answers to other questions you may have, including why people build homes out of cinder blocks. Although cinder block walls have low R-values, there are ways to make them more efficient. Therefore, a cinder block wall, without any additional material, has very little insulating properties.ĭon't give up hope just yet. The recommended value for an exterior wall is between R-13 and R-23. Look no further! We have researched the topic thoroughly, gathering the answers you need.Ĭinder block walls have an extremely low R-value, ranging between 1.9 and 2.5. Before stepping into the unknown and investing in your own concrete block home, you need to know the R-value of a cinder block wall. Have you heard of homes being built with cinder blocks? If so, maybe you are wondering about their energy efficiency.
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