Rosco Tough Prime
A unique water-based primer with special properties that allow it to bond to the hard-to-prime materials found in every scene shop.
Description
Rosco Tough Prime, Primer and Sealant
When you’re building a set, you don’t have time to worry about whether your paint will stick. From PVC pipes and aluminum framing to foamcore and vinyl dance floors, scene shops are full of notoriously difficult materials. That’s where Rosco Tough Prime comes in.
Designed specifically for the demands of theatrical and scenic production, this unique water-based acrylic primer bonds securely to almost any surface you throw at it. It creates a durable, water-resistant foundation that grips tight, ensuring your topcoats look brilliant and stay put—even under the heavy wear and tear of a live production.
Why Choose Rosco Tough Prime?
- Unmatched Adhesion: Forget sanding for hours or dealing with peeling paint. Tough Prime is engineered to bond with hard-to-prime materials including PVC plastics, metals (like aluminum), foams, muslin, wood, and even carpet.
- Versatile Topcoat Compatibility: Once dry, you can paint over Tough Prime with virtually any paint—whether it’s water-based or solvent-based. It plays perfectly with Rosco Scenic Paints and can even be tinted using Supersaturated Rosco Scenic Paint or other colorants.
- Quick Drying for Fast Turnarounds: In a fast-paced shop, drying time matters. At 75°F (24°C), Tough Prime dries to the touch in just 30 to 45 minutes and is ready for a recoat in 1 to 2 hours.
- Two Essential Finishes:
- White (Satin Finish): The perfect neutral base for vibrant, true-color topcoats.
- Black (Egg-Shell Finish): Ideal for stage floors, proscenium arches, and masking. It resists scuffs and abrasions while delivering a rich, deep black finish that absorbs light beautifully.
- Easy Application & Cleanup: Apply it straight from the can using a brush, roller, or spray gun. Because it’s a water-based acrylic polymer, cleanup requires nothing more than simple soap and water.
Technical Specifications
| Binder Type | Acrylic polymer |
| Solvent | Water |
| Coverage | Approx. 300 sq. ft. per gallon (varies by substrate) |
| Dry Film Thickness | 3 mil. |
| Dilution | Use undiluted (may thin with water for brushing if needed) |
| Available Sizes | 1 Gallon (3.785 L) and 5 Gallon (18.95 L) |
How to Use Tough Prime
For the best results, ensure your surface is clean, dry, and free of grease or dirt. If you’re painting over high-gloss or solvent-based finishes, a quick scuff with fine sandpaper or steel wool will give the primer extra “tooth” to grab onto.
Stir the primer thoroughly (do not shake) and apply in even, uniform coats. To build a highly durable finish for high-traffic areas like stage floors, apply several thin coats rather than one heavy layer, allowing each coat to dry completely in between.
Note: Do not apply when temperatures are below 50°F (10°C). Keep from freezing.
Whether you are prepping a vinyl projection screen, sealing a freshly built foam prop, or blacking out a stage floor, Rosco Tough Prime delivers the reliability and performance professional scenic artists demand.
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