MicroPrimer™ is a water based penetrating quartz primer made in Italy exclusivly for Italian lime plasters. Helps to create a bond between your plaster and wall.

I don't usually leave reviews but Firmolux's product and customer service are fantastic. I only have my first coat on but will post a picture after burnishing. Grisello (and rest of the company's plaster) are pure, imported from Italy, with zero VOCs. Aside from product quality, I accidentally ordered microprimer instead of a second gallon of Grisello. Anthony (even though it was after hours) talked with me about the process and shipped another Grisello out today. Seamless. Venetian plaster is a challenging project, and to have someone explain exactly what to do with the exact product one is using is invaluable. Lastly, Firmolux has a tutorial for plaster application. Highly recommend.

The media could not be loaded.  I am not a professional by any means … but throughly enjoy and appreciate good products that come along with great information …and outstanding customer service … I highly recommend !!! Shipped and arrived faster than expected also😘👌🏽 Firmolux is defined my go to

It really, actually matters that you use this type of primer (with minerals like quartz) before you Venetian plaster a wall, especially with grassello which is smooth!I was a skeptic too. Unfortunately trial and error and science prevailed.

Don't skimp on the primer. Glad I got this quality stuff.

This is a must step in producing a strong bond between the substrate and your decorative finish. Great product that goes a country mile... Mix well before use

The primer is nice and thick for a primer. It covers the wall surface nicely. When I opened the bucket I found that the contents was only half full. For what I did for this product I would think the container would be full.

I received the product when I open it was not 1 gallon that I expected. I measured it was 3 inch below not satisfied!! I am hoping be better next time

I purchased a quart container that was labeled as a sample. My area to cover was 12x5 feet or about 60 square feet. The amount barely covered this space. The product was lumpy leaving small blobs of hardened material. A larger quantity should be a better purchase, a gallon at least.