Opaque 
Opaque constructions are applied to surfaces in the building that do not have glass layers or transmit solar radiation. There are eleven types of opaque constructions:
 
 
Ceilings
 
Partitions
 
 
 
C-factor Walls
 
Raised Floors
 
 
 
External Doors
 
Roofs
 
 
F-factor Floors
Single Construction Walls
 
 
Interior Doors
Slabs
 
 
 
 
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