
Under seal packages
PROTECTING VALUES
WITHOUT COMPROMISE.
1
Long Life Dinitrol ®
We take pride in presenting our Life Time Treatment package tailored for customers committed to maintaining their vehicles in optimal condition for a lifetime. This package includes a premier underbody rust-proofing treatment, our Rustec Guarantee, and a lifetime of care provided free of charge. Our commitment is to ensure your pride and joy remains rust-free throughout its life.
2
Advance +
Upgrade Your Protection with These Packages:
🔹 Advanced Package – All the benefits of the Long Life Dinitrol treatment, plus:
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All available light fixtures and fittings remove for treatment application
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Removal and re-fitting of bumpers for treatment application
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Full upper body cavity injection
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Single – stage body and paintwork polish
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3 years FREE underbody cavity injection top up Parts and labour
3
Premium +
🔹 Ultimate Package – Our most comprehensive package, including: All the benefits of the Standard Package AND Advanced Package plus:
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Your Vehicle collected and returned from anywhere in the mainland UK
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Full 3 – stage body work and paint polish + ceramic coating finish
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Full engine bay clean and decontamination by dry ice blasting equipment
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Full interior clean and decontamination by dry ice blasting equipment
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FREE treatment application (parts and labour) for the lifetime ownership of your vehicle
What's Involved?
01
Inspection & strip down
Every treatment begins with a comprehensive inspection of the vehicle, including photo documentation. This is followed by the removal of all splash guards and plastics covering the metal body.
04
Masking and protection
Following that, the entire vehicle's body and 'non-coat-able' components, such as exhausts, engine, and brakes, are meticulously masked up to prevent overspray.
02
Full under carrige clean
Next, the vehicle undergoes a thorough undercarriage steam clean, eliminating years of accumulated debris and unveiling surfaces ready for the rust treatment process.
05
Treatment & application
Upon completion, one of our rust-proofing product application experts meticulously applies the highest-quality products available on the market to both internal and external vehicle surfaces, utilizing methods such as high-pressure cavity injection (HPCI).
03
Rust removal & treatment
Our dedicated team meticulously addresses any existing rust on the vehicle by either removing it or treating it with our extensive and proven corrosion-beating methods.
06
Rebuild & sign off
After the product is fully cured, the vehicle is carefully rebuilt, thoroughly checked, and signed off with comprehensive photo documentation. You will receive a certificate of completion and your own service booklet, significantly enhancing the resale value of your car. Of course, all of this is backed by our Rustec guarantee.

RUstproofing FAQs
We receive a lot of questions regarding our treatments, here is a compilation of frequently asked questions and answers to help inform your decision.
"How long does the underseal treatment take?"
Our underseal treatment takes 4 working days. This ensures a thorough cleaning, preparation, and application of rustproofing products for the very best results.
"How long does underseal last?"
The lifespan of the underseal depends on the treatment. Dinitrol products are rated to last approximately 5 years, depending on driving conditions and usage. Utilising our lifelong offering and continued upkeep of underseal protection, ensures that your vehicles underseal will last the vehicles' lifetime.
"How does your lifelong treatment work?"
Our lifelong treatment includes lifelong service book. You can return your vehicle annually or biennially for inspections. If wear or damage is detected, we will reapply the underseal to ensure continued life long protection.
"What are the prerequisites of booking a courtesy car?"
To book a courtesy car, you must:
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Hold a valid, fully comprehensive UK driving licence.
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Provide photo documentation of your insurance policy and driving licence.
Courtesy cars are subject to availability on a first-come, first-served basis, so please enquire when booking.
"When can I drop off my vehicle?"
You will receive a drop-off calendar 7 days before your treatment date. This allows you to choose the most convenient time to drop off your vehicle.
My vehicle has already been treated in the past but is now showing signs of rust, can you restore it?
Yes, depending on the condition of the existing underseal. Our process involves:
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Removing any previous underseal to expose the bare metal.
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Inspecting and removing any corrosion present.
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Reapplying a fresh coat of underseal to ensure long-term rust protection.
"My vehicle needs welding, should I get that done before booking underseal treatment?"
We offer a welding service as part of our treatment process. If your vehicle requires welding repairs, any areas of concern uncovered during the treatment will be documented and sent to you with quotes for repair. It is entirely up to you whether to have the welding work done immediately or at a later time.