Sentence:  But I must warn you that chipboard floors are always likely to squeak. The material is still being used in new-builds, but developers now use adhesive to <WSD>bed</WSD> and joint it, rather than screws or nails. I suspect the adhesive will eventually embrittle and crack, resulting in the same squeaking problems as before. 
Meaning of the word marked with <WSD> tags:  To lay or put in any hollow place, or place of rest and security, surrounded or enclosed; to embed.