joist

US /dʒɔɪst/
UK /dʒɔɪst/
"joist" picture
1.

balk, draagbalk

a length of timber or steel supporting part of the structure of a building, typically arranged in parallel series to support a floor or ceiling.

:
The floorboards were nailed directly to the wooden joists.
De vloerplanken werden direct op de houten balken genageld.
We need to replace some of the rotten joists in the old house.
We moeten enkele van de verrotte balken in het oude huis vervangen.