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Definition of Trimmer joist
1. Noun. Joist that receives the end of a header in floor or roof framing in order to leave an opening for a staircase or chimney etc..
Lexicographical Neighbors of Trimmer Joist
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1. Noun. Joist that receives the end of a header in floor or roof framing in order to leave an opening for a staircase or chimney etc..