The houses built by byrd were constructed of

Colonel William Byrd II was a plantation owner in Colonial Virginia U.S.A., and the founder of Richmond in 1737 who during his later years dedicated his energy to build and improve his plantation at Westover, including replacing some previous wooden structures with brick mansions; and the houses made of wood were constructed of pine logs and cypress shingles.

Explanation:

the mood is annoyed. they wish sandy was there do to the job right and since they dont like they way it came out now they are annoyed.