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CCAT_natural_Plaster;_a_key_or_scratch_coat.jpg (448 × 336 pixels, file size: 63 KB, MIME type: image/jpeg)
Note the undercoats of brown and gray plaster have been keyed or scratched to provide bonding surface for the lighter gray finish going over the top.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:23, 9 December 2010 | | 448 × 336 (63 KB) | K. Scott Perry (talk | contribs) | The brown plaster was applied first, with a key or scratch application to finish. Once the key is dried-up, then the gray plaster went over; sinking into the hey marks creating a stronger bond. |
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