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Romabio | Mediumgrip Primer

by Romabio
Original price $64.99 - Original price $349.99
Original price
$64.99 - $349.99
Current price $64.99

Key Features:

  • Versatile & Durable: Organic, mineral-based primer suitable for both interior and exterior use. Provides exceptional adhesion and longevity.
  • Extreme Durability: Formulated with medium aggregate for enduring performance, ideal for various surfaces including painted drywall, cementitious siding, and stucco.
  • Toxin-Free & Environmentally Friendly: Non-toxic, eco-friendly formulation ensures a safe painting experience.
  • Superior Coverage & Easy Application: Offers excellent coverage and can be applied effortlessly with a brush, roller, or sprayer.

Surface Compatibility:

  • Suitable for interior and exterior unabsorbent or glossy surfaces such as brick, hardie board, cementitious board, concrete, CMU block, Portland or gypsum stucco, painted drywall, painted brick, and painted stone.


  • Coverage (1 Coat):
    • 1L/1 QT: 50-70 sq ft (15-21 sq m)
    • 2.5L/0.67GAL: 130-180 sq ft (39-55 sq m)
    • 15L/4GAL: 800-1100 sq ft (244-335 sq m)

Application Requirements:

  • Preparation: Clean the surface thoroughly, removing any loose dirt or debris.
  • Dilution: Dilute the product according to recommended guidelines before application.
  • Coats: Apply a single coat for optimal results.
  • Tools: Can be applied with a brush, roller, or an HVLP or airless sprayer.
  • Dry Time: Allow 8-12 hours for drying.
  • Touch Ups: Features a very flat finish, allowing easy touch-ups at any time.


  • Cradle to Cradle (C2C)
  • Health Product Declaration (HPD)
  • French Volatile Organic Compounds (VOC) Compliance

Recommended Dilution:

Recommended 1L/1QT 2.5L/0.67GAL 15L/4GAL
20% 200ml 500ml 3L
25% 250ml 625ml 3.75L
30% 300ml 750ml 4.5L

Elevate your painting projects with ROMABIO® BioGrip Medium, the premium choice for superior priming performance.