$629.00
(MSRP: $732 — Save $103)
Get Renner’s complete 2K refinishing system for projects that need dependable performance at the best value. This bundle combines the primer, topcoat, and catalyst you need for a strong, professional finish that’s versatile and easy to apply.
2 Gallons Renner YO-XXU851 General Purpose Pigmented Topcoat 2K
2 Gallons Renner YL-M643 Primer (excellent adhesion & fast build)
2 Quarts Renner YC-M404 Catalyst (unlocks full 2K performance)
🛡️ Proven 2K Protection – reliable durability against scratches, moisture, and daily use.
🎨 Balanced System – YL-M643 primer builds a strong foundation, while YO-XXU851 delivers a smooth, versatile pigmented finish.
⚡ All-Purpose Applications – ideal for furniture, cabinetry, doors, and interior projects needing toughness without the premium price tag.
💵 Bundle Savings – get the complete finishing setup for $97 less than buying separately.
🌍 Water-Based Technology – professional coatings with low odor and safer application.
Renner’s YO-XXU851 system is the go-to choice for general refinishing — delivering dependable quality and value in one streamlined bundle.
General finishing on furniture, cabinetry, and millwork
Achieving a natural, open grain effect
Sealing tannin-rich woods like oak, walnut, and mahogany
Use as a topcoat or as a self-sealing finish
Reliable & Durable: Easy to use with strong chemical resistance
Self-Sealing Power: Delivers beautiful pore wetting and open grain finish
Tannin Blocker: Catalyze at 10% for excellent performance on tannin woods
Quick Dry Times: Dust-free in 45 minutes, stackable in 5 hours
Smooth Spray Performance: Compatible with HVLP, airless, airmix, and gravity setups
Flat 10 – Ultra-matte, natural feel
Satin 25–30 – Clean, low-luster look
Semi-Gloss 50 – Polished and modern
Available: Clear or tinted with custom colors
Use: Interior wood surfaces only
Technology: Water-based | 1K or 2K (with YC-M404 catalyst)
Recommended Coats: Max 5 | 4–5 wet mils per coat
Coverage: ~200 ft²/gal
Dry Times:
Dust-free: 45 min
Touch: 60 min
Sandable: 2 hrs
Stackable: 5 hrs
Full cure: 24 hrs
Catalyst (Optional): YC-M404 @ 10% (12 oz/gal) – Pot life: 3–4 hrs
Cleanup: Water
Gravity Cup Gun: 1.9 – 2.5 mm
HVLP: 1.9 – 2.2 mm
Air-Assist: 11 or 0.6–0.9 mm
Airless: 306 – 308 tip
Store Between: 41–95°F (5–35°C)
Apply Above: 60°F (optimal: 68–77°F)
Login & get datasheet
Please login to download the product datasheet. If you don't have an account, you can register for free.
Sand bare wood or existing coating with 220-240P. If rifinishing, make sure the surface is clean and degreased.
Apply 4-5 wet mils of primer YL M643/C02. Use 5 to 10% of hardener (10-12oz per gal) when applying on tannin-rich or resinous wood, or especially for refinish jobs.
At least 4-6 hours.
| Weight | 50 lbs |
|---|---|
| Dimensions | 8 × 8 × 10 in |
| Product Type | Topcoat |
| Product Base | Water-Base Urethane |
| Product SKU | YO-XXU851/–XXX |
| Standardization | ISO 9001-2015 ISO 14001-2015 |
| Available Sizes | Five Gallon Bucket, One Gallon Can |
| Solubility | Water-Miscible |
| Keep From Freezing? | Yes |
| State Warnings | California Proposition 65 |
| Product Safety Sheet | YO-XXU851/–XXX |
| Facility Availability | Riverside, CA & Houston, TX |
| Manufacturer | Renner Italia |
| Country of Origin | Made In Italy |
Our water base primers are designed to deliver superior adhesion, excellent coverage, and a smooth surface for topcoat application. Engineered for both professional and industrial use, they help seal and protect wood surfaces while ensuring a clean, even finish.
These primers are fast-drying, low in VOC, and easy to sand, making them ideal for cabinetry, furniture, doors, and millwork. Whether you’re finishing new projects or refinishing existing pieces, Renner primers provide the foundation for long-lasting durability and a flawless final look.
Our water base topcoats are formulated to deliver a durable, beautiful, and professional-grade finish on wood surfaces. Designed for both residential and commercial applications, these coatings offer exceptional clarity, resistance to wear, and smooth, even application.
Renner topcoats are fast-drying, low in VOC, and available in multiple sheen levels to enhance the natural beauty of wood. Perfect for cabinetry, furniture, doors, and architectural millwork, they provide long-lasting protection and a flawless, high-performance finish.
Reviews
There are no reviews yet.
Only logged in customers who have purchased this product may leave a review.