frass The dust-like debris or excrement left behind by wood-eating larvae and borers. Other visual glossaries Abrasion Accretion Acid Migration Adhesive Blanching Bleaching Bleeding Blistering Bloom Break Brittle Bronze disease Buckling burn chalking channelling cleavage cockling corrosion crack craquelure crazing crease deformation delamination detached dirt, dust discolouration distortion dry rot exit holes fading ferrotyping fill flaking fold foxing fracture frass friable gloss grazing loss mark mat burn mould off-gassing off-set staining offsetting overpaint peeling pH physical damage pressure-sensitive tape Red rot rolled rust scratch shredding silver mirroring skinning softening soot spalling split stain surface dirt sweating tarnish tear tenting tidemark vinegar syndrome warping yellowing admin2020-03-18T11:26:54+11:00
