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The work, on camera

These are Ronald’s own films. Lime is labeled lime. If a video uses acrylic sold as “Venetian plaster,” that is stated. The school teaches lime.

Bi-color grasello

Polished lime. Quartz primer, coats, wax. This is the material the 101 class is built on.

Marmorino — Luminoso

Italian marmorino, step by step. Not grasello. Different grain, different wall.

Black polished marmorino

Dark lime. Color in lime is not the same problem as color in paint.

Ancient travertine

Travertino, then grasello backfill. Two classes of plaster on one board.

Tadelakt

Moroccan lime, not Venetian. Soap, compression, a different chemistry on the surface.

Grasello, explained

What the fine putty is for, from the same hand that teaches the class.

Plastering a room

Scale. A sample board is not a dining room.

Marble effect

The five-day problem in short form: movement, not a printed marble.

Some older films on the channel demonstrate acrylic products (including Modern Masters and big-box “Venetian plaster”). Those videos are honest about the bucket. They are not the lime curriculum. If a designer specified acrylic, watch those. If the spec says Italian lime, do not use them as the method.

Full YouTube channel