TrueFill Premium Body Filler by Alpha Automotive Paints – Professional-Grade Surface Finishing Putty

High-Performance, Lightweight Polyester Filler for Superior Automotive Repairs

TrueFill Premium Body Filler by Alpha Automotive Paints is a professional-grade polyester-based surface finishing putty designed for high-quality automotive repairs. Engineered for exceptional adhesion and effortless application, this lightweight filler ensures smooth, flawless results across various surfaces. Whether you're working on bare steel, galvanized steel, aluminum, or composite materials, TrueFill provides a seamless, stress-free repair process with excellent durability.

Key Features & Benefits

✅ Exceptional Adhesion – Bonds effectively with bare metal, galvanized steel, aluminum, fiberglass, composite materials, and even acrylic or epoxy primers.
✅ Effortless Application – Spreads easily and sands down smoothly, ensuring a perfect surface finish with minimal effort.
✅ Lightweight Formula – Reduces stress on the repair area, making it ideal for both cosmetic and structural applications.
✅ Multicoat Compatibility – Works seamlessly with epoxy primers and old paint finishes, making it a versatile choice for refinishing projects.
✅ Quick Drying Time – Cures in 30-35 minutes at 20°C (65% RH), allowing for fast and efficient workflow.
✅ Sands Smoothly – Easily refinish the surface using P100-P120 grit for coarse sanding and P120-P280 grit for final finishing.
✅ IR Drying Compatible – Accelerate drying times with infrared curing (9-11 minutes at max 80°C, with a 5-minute wait before IR application).
✅ Controlled Application – Should be applied in several thin layers, with each layer properly cured before the next (max thickness: 3mm).
✅ Pre-Mixed Hardener Included – Optimized for a 100:2 mixing ratio for consistent results and ease of use.

How to Use TrueFill Premium Body Filler

1. Surface Preparation – Sand and clean the substrate thoroughly. Remove any old coatings before application. For best results, apply over an epoxy primer (avoid reactive primers).
2. Mixing – Stir the filler thoroughly before and after adding the included TrueFill Hardener (2% mix ratio).
3. Application – Apply thin coats, curing each layer before applying the next. Do not exceed 3mm thickness.
4. Drying Time – Allow 30-35 minutes for drying at 20°C with 65% relative humidity.
5. Sanding & Finishing – Start with P100-P120 grit (coarse sanding), then refine with P120-P280 grit for a smooth, professional finish.

Why Choose TrueFill Premium Body Filler?

• Professional-Grade Quality – Trusted by automotive professionals and DIY enthusiasts for high-precision repairs.
• Versatile Use – Works on a wide range of surfaces, making it ideal for automotive bodywork, fiberglass repair, and composite finishing.
• Time-Saving Formula – Rapid drying and easy sanding mean you can complete repairs faster, with less effort and better results.
• Long-Lasting Durability – Provides a smooth, stable, and crack-resistant surface that holds up under paint.

Frequently Asked Questions (FAQs)

1. Can I use TrueFill Body Filler on aluminum and fiberglass?

Yes! TrueFill adheres exceptionally well to aluminum, fiberglass, and composite materials, making it a versatile solution for various repair jobs.

2. How thick can I apply the filler?

For best results, apply in thin layers, allowing each coat to cure properly before adding more. Do not exceed 3mm in total thickness.

3. What is the best sanding grit to use?

• For coarse sanding, use P100-P120 grit.
• For final finishing, refine with P120-P280 grit for a smooth, paint-ready surface.

4. Can I speed up the drying time?

Yes! Infrared drying (IR) is compatible with TrueFill. After a 5-minute wait, IR drying can be applied for 9-11 minutes at a maximum of 80°C.

5. Does TrueFill come with a hardener?

Yes! The TrueFill Hardener is included and should be mixed at a 100:2 ratio for optimal results.

We ship both domestic (USA) as well as internationally. There are a few limitations for international orders when it comes to paint, body filler, or other hazardous materials.

-Free Ground Shipping in the lower 48 USA on orders over $500

-Multiple shipping options on non hazardous materials ( UPS, USPS, Overnight etc)

-Qualifying international orders are shipped via UPS or DHL. Most countries there are 3 day options.

-During sales or other high volume days, expect 2-5 days to process the order.

-Normal conditions, we ship same or next day.