Renner Primers

Renner primers are engineered for performance, offering excellent adhesion, stain blocking, and sanding properties across a range of wood substrates. Whether you're sealing MDF, blocking tannins, or prepping for a high-end finish, there's a Renner primer to match your needs.

Primer Overview:

  • 643 Primer – 1K or 2K | Catalyst boosts adhesion, stain blocking, and tannin resistance

  • C085 – 1K | User-friendly bonding and stain-blocking primer

  • C321 – 1K or 2K | Water-based sanding sealer with a solvent-like look and feel

  • C674 – 2K | Barrier coat for sealing tough or unpredictable substrates

  • 648 – 1K or 2K | High-build primer, popular for MDF or as a higher-performing alternative to 643

Our Best-Selling Renner Lines

YO05 M718 – Natural-look finish that highlights wood’s beauty
YOX0 U765 – Easy vertical application with minimal runs
YOX0 U688 – High-durability topcoat for demanding, high-traffic areas
YOXX U851 – Versatile, general-purpose finish
Primers & Catalyst – Provides strong adhesion and a smooth, durable base

We can custom tint Renner coatings to virtually any color or provide them bright white or crystal clear, depending on your project requirements.

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