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Romabio MicroGrip Primer is a universal, high-performing Interior/Exterior mineral-based primer. It is the ideal primer to use with Romabio Interior/Exterior Paints for painted and unpainted drywall. It is made for extreme durability and can also be used on the following surfaces: Hardie Board/Cementitious Board/Concrete/CMU Block/ Portland OR Gypsum Stucco/Painted Brick/Painted Stone/Unabsorbent OR Glossy Brick.
Romabio MicroGrip Primer is permeable, breathable, absorbs CO2, provides good anchoring power.
Easy to apply with brush, roller, or sprayer. Handcrafted in Italy.
COVERAGE (1 Coat):
1 Liter: 70-120 sq ft
2.5 Liters: 175-300 sq ft
15 Liters: 1050-1800 sq ft
natejchr
Reviewed in the United States on November 23, 2024
Great coating and covered more area than I thought it would.
j robin
Reviewed in the United States on July 8, 2023
we sorta didn't like having to use this on our previously painted brick fireplace surround, but it worked. using it means losing the ability to wipe back (rinse off) limewash to distress.don't waste your money getting special masonry brushes on brick. simple paint brushes will work, with a 2" or smaller to get into chinking.
•CS•
Reviewed in the United States on June 2, 2022
Though this is called primer, it is more of a surface preparation. This was applied on a variety of surfaces (shiplap, skimcoated sheetrock & Dennshield) throughout the kitchen and bathroom. Any markings on the surface to be applied should get a more standard primer like Kilz first to cover up markings. If you try to primer markings after you will flatten out the micro-aggregate that appears after drying.The product is bulk packaged and a adhesive label sloppily stuck on with tiny micro printing (think magnifying glass) that is often rubbed off in places. This product has to be diluted with water and you have to make sure you carefully online search your exact product when you go to find out that ratio. Once you dilute it you YOU NEED TO KNOW that the product is going to look basically LIKE 2% MILK- thin, pale white & watery. I wasted so much concentrate trying to get it to thicken up. I had to order another liter. Nowhere in the literature or anywhere with those “helpful” tutorials online did anyone mention this.It can dribble easily so take your time to cover up surfaces. With a diluted product like this you really need good lighting to tell which areas have been wetted by roller/brush. A little goes a long way and it’s very easy to run out your dilution mix by over applying because you can’t see anything happening. It will dry over hours and you will feel the micro-aggregate magically appear on the surface. You really cannot save any leftover in the bucket- even by putting it in the fridge (clumps into flakes- you’ll be sorry). While I really like the look of this product I feel the company fails in its packaging with those homemade looking sticky labels and lack of clear IKEA-like illustrations for dilution ratios. As well, online they could make it plain how the “primer” will look upon mixing. I think this product has struggled to become a popular option due to this making it hard/not step by step clearly explaining the process. Hope this helps others.
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