DINITROL 977 + 958 Undercoating
in North Carolina
Premium two-layer underbody protection for drivers who want strong corrosion defense with a cleaner, satin-black finish.
Premium Two-Layer Underbody & Chassis Corrosion-Protection System
DINITROL 977 + 958 is a high-performance, two-stage underbody protection system engineered for customers seeking maximum durability, cleaner aesthetics, and elevated corrosion resistance.
This combination offers a more refined finish than traditional bitumen coatings (Waxoyl, Fluid Film, WoolWax and Dinitrol 4941) while retaining strong abrasion and rust protection.
Layer 1: Bond & Protect
DINITROL 977
High-Performance Adhesion & Anti-Corrosion Primer
Purpose: Base adhesion layer + corrosion inhibitor
Where it’s applied:
Key Product Benefits
- Advanced Adhesion Technology: Creates a chemically bonded foundation for the 958 topcoat, ensuring long-term durability.
- Superior Corrosion Inhibition: Contains advanced rust-preventive additives that protect the substrate even if the topcoat wears.
- Flexible Film: Designed to remain elastic, resisting cracking and separation caused by chassis flex.
- Excellent Surface Uniformity: Helps smooth minor texture variations before the protective topcoat is added.
- Ideal for Both New & Used Vehicles: Great for preventative protection as well as improving older underbodies undergoing restoration.
Layer 2: Finish & Defend
DINITROL 958
Premium Underbody Protective Coating
Purpose: Long-lasting external protective coating.
Where it’s applied:
Key Product Benefits
- Refined OEM-Style Finish: Clean, satin-black appearance preferred by enthusiasts, collectors, and customers wanting a premium look.
- High Abrasion Resistance: Withstands impact from gravel, salt, road debris, and winter brine solutions.
- Strong Chemical & Moisture Resistance: Protects steel and coated surfaces from saltwater, humidity, and environmental contaminants.
- Long-Term Flexibility: Unlike hard coatings, 958 retains elasticity, reducing the risk of cracking or flaking over time.
- UV Stability on Exposed Areas: Helps maintain color and appearance where light exposure occurs.
Professional Application
Cleaned First. Protected Right.
Our process includes:
- Comprehensive underbody cleaning (dry ice blasting available for best results)
- Targeted rust removal or neutralization where needed
- Primer application with DINITROL 977 for strong bonding
- Controlled, even spray application of DINITROL 958 for a clean, uniform finish
- Full documentation and aftercare instructions supplied to the client
Why Choose 977 + 958 for Your Vehicle?
- Premium Aesthetic Finish
If ML + 4941 is the “industrial strength” option, 977 + 958 is the premium, clean-look option. Excellent for newer vehicles, high-end SUVs, and collector vehicles. - Long-Term Corrosion Protection
Metal is sealed with a primer + topcoat system that inhibits rust formation and protects against harsh winter environments. - Strong Defense Against Salt, Moisture & Abrasion
This system excels in areas with inclement weather, delivering multi-year durability.
Maintenance & Longevity
- Recommended visual inspection every 18 – 24 months.
- Touch-ups in high-impact zones maintain long-term performance.
- With routine care, this system provides excellent multi-year protection with a premium appearance.
Ideal for:
Late-Model SUVs & Trucks
Ideal for newer trucks and SUVs exposed to road spray, salt, brine, gravel, and humidity — with a cleaner satin-black finish than heavier undercoating options.
Collector & Enthusiast Vehicles
Protects the underbody while keeping a cleaner look for vehicles where condition and value matter.
Vehicles Undergoing Restoration
Works well for restoration projects that need corrosion protection with a cleaner, more refined finished look.
Cleaner Finish Seekers
Best for customers who want strong underbody protection without the heavier textured look of traditional coatings.
Get a DINITROL Recommendation & Estimate
Tell us about your vehicle and how it’s used. We’ll recommend the right undercoating system and provide an estimate.
REAL 977 + 958 FINISH EXAMPLES
See how DINITROL 977 + 958 looks on actual restored underbody and wheel arch surfaces.
