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Hotbox Test R-value Database

BABB Wall Systems

 

 

Description Of Wall

During October and November 2001, the BABB AAC wall was built and tested in the guarded hot-box under steady-state conditions. The BABB AAC (autoclaved aerated concrete) wall system is based on solid blocks (7-13/16 x 23-5/8 x 7 13/16-in.). The BABB units are made of aerated concrete with addition of fly ash. The density of aerated concrete is about 33.5 lb/ft3. The BABB blocks are joined using 1/16-in. thick mortar. Normally, the BABB AAC wall is covered by light weight stucco on the outside and plaster on the inside. An unfinished wall was used for the hot-box tests at Oak Ridge National Laboratory’s Buildings Technology Center.

 

 
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