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vehicle rust proofing

all makes and models catered for

trust in the treatment

WITH OUR 100% SATISFACTION MONEY BACK GUARANTEE ON FULL TREATMENTS

our most comprehensive treatment available

full underbody
treatment

Our most comprehensive under body treatment combines techniques from each treatment process, including additional steps like applying an epoxy primer sealing coat and utilizing cavity injection techniques. These measures ensure the long-term sealing and protection of all under body panels and chassis parts, offering lasting durability and peace of mind. Plus, they come backed by our Rustec guarantee.

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underbody treatment

full under body treatment Process

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1

  • High temperature power wash and steam clean effective for removing years of debris from the under body and components

  • All the vehicle's tired old under seal is removed using different professional techniques and asymptotic procedures ensuring all body and components are protected.

  • The chassis and body is the 'bare metaled' bringing the original steel work back to a shiny and bare finish

  • It is then coated with a flash rust inhibitor

  • Any deeper rust spots are then rectified by a mixture of wire brush or media blasting techniques ensuring all under body rust is removed

  • The surface is then coated in a rust converter to further treat any surface corrosion that may not be visible but still present.

  • This is then all left for an adequate time for the reaction to properly convert corrosion.

  • once signed off the surfaces can be washed off again leaving a 100% corrosion free bare metal surface to prepare to treat.

2

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  • The finial step of the process involves a full Dinitrol® 4941 application where multiple coats of this product is applied through the under body fully protecting the surface and adding that brand new look for years to come.

  • The vehicle's cavity's and unseen areas are then treated to a injection wax process fully sealing all surfaces of your vehicle

3

  • The next step is to carefully mask off all other vehicle body and components.

  • A finial de-grease and a few coats of epoxy primer, with its incredible corrosion prevention properties, is applied completely sealing the bare body.

  • once fully cured the final step of the process can be initiated

4

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full underbod
Q & A

Why and what

Welcome to Our Underbody Treatment Page


Preserving Your Vehicle’s Integrity from the Ground Up


All vehicles—whether cars, 4x4s, campers, or horse boxes—face wear and tear over time, especially on their undercarriages. Rust and corrosion can significantly affect the performance, safety, and value of any vehicle. That’s why undersealing is a critical step in ensuring the longevity and health of your automobile. Below, we answer common questions to help you make informed decisions about protecting your vehicle.

Should I Underseal My Vehicle?
Yes! Undersealing is crucial for all types of vehicles, from cars to horse boxes. It forms a protective barrier against rust, preserving both the structural integrity and resale value of your vehicle.

Is It Worth Undercoating a Vehicle?
Absolutely. Undercoating protects the underside of your vehicle from corrosion caused by moisture, salt, and road debris, ultimately extending its lifespan and saving you from costly repairs.

Is It Worth Undersealing a Vehicle?
Yes! Undersealing provides long-term benefits by preventing rust formation, maintaining the vehicle’s durability, and ensuring it stays in top condition for longer.

How Do You Protect the Underside of a Vehicle?
Our expert undersealing process creates a durable, protective layer that guards the underside of your vehicle against rust and environmental damage. Whether it’s a car, camper, or 4x4, we ensure it’s well-protected for years to come.

Can You Underseal Over Surface Rust?
Before applying underseal, we first address any existing surface rust, effectively removing and stopping its progression. This ensures the undersealing process provides maximum protection and prevents further damage.

Does Underseal Stop Rust from Spreading?
Yes, underseal works as a rust inhibitor, stopping its spread and ensuring your vehicle stays rust-free.

At Rustec, we specialize in underbody treatment for all vehicles, employing expert techniques and top-quality materials to ensure lasting protection. From cars and 4x4s to horse boxes and campers, we help you safeguard your vehicle’s performance and value. Explore our services to learn how we can protect your automobile.

Our Customer Reviews 

Our Services

- Full Vehicle Rust Proofing

- Car Checks

- Part Corrosion Removal

- Under Carriage Restoration

- Metal Work Repairs

Opening Hours

Mon - Fri: 8am - 5pm

Sat: 9am - 4pm

Sun: By Appointment

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Contact Us

Fry's Garage, Queens Street, Malmesbury SN16 9RL

Tel: 01666 860198
info@rustec.co.uk

Rustec is a trading name of Braydon Elite Ltd

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