Shingle the roof in the decrease of the moon, so the shingles will lie flat (“go down”). Else they may warp and rise up.
Mansfield, O.

Shingle the roof in the decrease of the moon, so the shingles will lie flat (“go down”). Else they may warp and rise up.
Source: Current Superstitions (1896), entry 1125.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.