picture framing

plural picture framings

1. uncountableusuallyartThe act of setting a painting, photograph, etc. in a frame.
2. archaicuncountableusuallyThe materials needed to construct a picture frame.
3. uncountableusuallybusinessA square or rectangular pattern of ridges in a roof membrane or covering over insulation or deck joints.

   When they also appear above the transverse insulation-board joints, the pattern is called picture framing

   2006, C.W. Griffin, Richard Fricklas, Manual of Low-Slope Roof Systems: Fourth Edition

   2 more examples

   When ridges occur along both longitudinal and transverse joints, outlining the insulation boards, the pattern formed is known as "picture framing"

   1989, H.L. Simmons, Repairing And Extending Weather Barriers, page 97

   The staggered grid pattern is sometimes called "picture framing," a phenomenon generally limited to smooth-surfaced membranes with asbestos felts

   1996, Charles William Griffin, R. L. Fricklas, Manual of low-slope roof systems, page 258