conical roll

conical roll

[¦kän·ə·kəl ¦rōl]
(building construction)

batten roll, conical roll

In metal roofing, a roll joint formed over a triangular-shaped wood piece.
References in periodicals archive ?
Along with the basics of sushi, Kawasumi explains the more complicated designs such as temaki (conical rolls) and kazarimaki (decorative rolls).