Also known as: csn.
CSN has various meanings in the Architectural category. Discover the full forms, definitions, and usage contexts of CSN in Architectural.
An overhang. Where one floor extends beyond and over a foundation wall. For example at a fireplace location or bay window cantilever. Normally, not extending over 2 feet. A 10? or 12? diameter hole drilled into the earth and embedded into bedrock 3 4 feet.
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