Scratch coat

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Scratch´ coat`

1.The first coat in plastering; - called also scratchwork. See Pricking-up.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
After this "scratch coat" dries overnight, the stone is applied with the same type of mortar.
AApply a sand and cement scratch coat 3 part sand 1 part cement, leave for a day to set then apply a 4 part sand 1 part cement top coat and dash the pebbles on to this coat.
This is your scratch coat. A second coat can be added as soon as the first is somewhat dry.
Plastering begins with the scratch coat, a sort of undercoat meant to even out the rough spots in the gunite, and this involves use of the biggest trowels, straight 22s.
Next a "scratch coat" (a rough plaster with the texture of sandpaper) is applied, followed by a final coat of smooth plaster.
The scratch coat should be only one-half of the thickness of the old plaster.
Maybe your builder did not apply a first scratch coat, or the walls of your house are particularly exposed to the rain.
If the cabinet finish is dingy overall and has lots of scratches, consider a wipe-on product like Old English Scratch Coat. These products can darken the finish slightly, so you have to apply them to all your cabinets.