Natural Crackle Paint Finish

Achieve Authentic Antique Finishes Naturally Natural Crackle Paint Finish by RMP Finishes is a collagen-based crackle medium that produces a stunning, weathered look without synthetic additives. It dries clear with a satin sheen and can be applied with a brush or roller between layers of Real Milk Paint® to create your desired effect. Unlike chalk-based crackle paints that can fail or flake unpredictably, Natural Crackle delivers consistent, controllable results — from subtle, aged texture to deep, dramatic fractures that reveal your chosen base color underneath. Key Benefits Natural and safe: Non-toxic, biodegradable, and environmentally friendly. Fast drying: 30 minutes to 2 hours, depending on thickness. Versatile look: Thin for fine lines, or apply thick for bold “alligator” cracks. Strong adhesion: Bonds to wood, milk paint, varnish, metal, glass, drywall, and more. Flexible use: Can double as a glue for wood, leather, or paper projects. Durable finish: Dries to a clear, satin sheen that enhances paint depth. Freeze-thaw stable: Stays usable season after season. Easy maintenance: Water-based cleanup, no odor once dry. Suitable Uses Natural Crackle Paint Finish is ideal for a range of creative projects, including: Furniture refinishing – add instant character to cabinets, tables, or chairs. Decorative walls – create a rustic, time-worn texture with layered paint colors. Crafts and small decor – perfect for boxes, signs, frames, or vintage-style accents. Restoration projects – mimic aged patinas on old wood, plaster, or metal. Coverage Guide Size Approx. Coverage (Unthinned) Notes 8 oz ~12 sq. ft. Thinning increases coverage 16 oz ~25 sq. ft. Use straight for large cracks 32 oz ~50 sq. ft. Thin 10–20% for finer lines 1 Gallon ~200 sq. ft. Ideal for wall applications Directions   1. Preparation Ensure the surface is clean, dry, and free of dust or wax. Apply a base coat of your chosen Real Milk Paint® color. Let it dry completely. Test on a small section before the full application to preview the crack size. 2. Application Methods For Fine Cracks Thin Natural Crackle with a small amount of water (up to 20%). Brush or roll evenly over the base coat. Let dry fully, then apply your top coat of Real Milk Paint®. Seal with Finishing Cream, Furniture Wax, or Pure Tung Oil for lasting protection. For Large “Alligator” Cracks Apply one or two thick coats of Natural Crackle directly over the base color. Allow each coat to dry completely. Apply your top coat of Real Milk Paint® while the surface is dry to the touch. Once cracks form, seal with Furniture Wax, Pure Tung Oil, Dark Raw Tung Oil, or varnish. Pro Tip: Avoid heavy water-based sealers; they may soften or blur the crackle effect. 3. Curing and Sealing Let the finish dry fully before sealing. For best results, use oil-based or low-water topcoats like: Furniture Wax Pure Tung Oil Dark Tung Oil Finishing Creams Allow the sealed surface to cure for 24–48 hours before use. 4. Cleanup and Storage Clean brushes and tools with warm water immediately after use. Store sealed tightly in a cool, dry place. Shelf life: 1–2 years without refrigeration. Non-flammable and odorless once cured. NOTE: Natural Crackle is not recommended to be used with paints other than Real Milk Paint®. Please test Natural Crackle with your paint before proceeding to the full project. FAQs Is Natural Crackle safe to use indoors? Yes. It’s made from natural, biodegradable gelatin and water with less than 1% phenol. It’s non-toxic, non-flammable, and virtually odorless once dry, perfectly safe for indoor use and around children or pets when used as directed. How do I control the size of the cracks? Crack size depends on product thickness and dilution: Use undiluted for large “alligator” cracks. Thin up to 20% with water for finer hairline effects. Apply evenly and avoid over-brushing to maintain clean crack patterns. Can I apply Natural Crackle directly over finished or sealed wood? No. Crackle mediums need an absorbent surface to bond properly. Remove sealers, waxes, or oils first using mild sanding or one of our natural Solvents. Do I need to seal the crackle finish? Yes. Once your desired crackle pattern forms and dries, seal it with an oil-based or low-water topcoat. Excellent options include Pure Tung Oil, Dark Tung Oil, Finishing Cream, or Furniture Wax. Avoid heavy waterborne polyurethanes, which may soften the cracks. Can I use Natural Crackle as an adhesive? Absolutely. The collagen-based formula doubles as a natural glue for light bonding applications such as wood, paper, cardboard, or leather. Ingredients & SDS At RMP Finishes, we believe in complete ingredient transparency so you know exactly what’s in the products you use on your projects. Our Natural Crackle Paint Finish is made from safe, natural components that perform beautifully without introducing harsh chemicals into your workspace. Ingredients: Natural collagen (gelatin) Water No VOCs, no formaldehyde, no synthetic binders. SDS available here. Technical Specifications Property Details Product Name Natural Crackle Paint Finish Product Type Crackle medium/specialty paint additive Product Form Substance Substance Name Natural Crackle Intended Use For creating crackle layers and distressed paint finishes Appearance Brown liquid (dries clear with satin sheen) Odor Neutral pH Value Not available Flash Point Not applicable (non-flammable) Auto-Ignition Temperature Not applicable Explosion Properties None Oxidizing Properties None Vapor Pressure (at 20 °C) Not available Density (at 25 °C) Not available Solubility in Water Soluble Solubility in Fat Not available Primary Components Gelatin (CAS 9000-70-8), Water (CAS 7732-18-5), Phenol < 1% (CAS 108-95-2) Health Hazards None at given concentrations Flammability None Stability Stable under normal use and storage conditions Conditions to Avoid None known Incompatible Materials Avoid acids and ethanol during storage Environmental Impact Readily biodegradable; no bioaccumulation expected; CO₂-neutral Cleanup Soap and water Personal Protection Safety goggles are recommended when splashing is possible; gloves not required under normal use Storage Store tightly sealed in a cool, dry, well-ventilated area; room temperature or below Shelf Life 1–2 years under proper storage Transportation Classification Not regulated (ADR, IMDG, IATA) Regulatory Classification Not classified as hazardous under EC directives Emergency Contact (Chemtel) US – 800-255-3924