What does sistering mean?
The act of placing a beam or timber on top of another beam or timber, often to add support or to create a level surface. This can also refer to the beam or timber itself that is placed on top of another.
Example
"The carpenter used sistering to add support to the old beam, ensuring the structure remained stable."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.