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Underseal Removal


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#1 edi57

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Posted 02 March 2008 - 07:55 PM

Here is my tried and tested method, with photographic evidence to prove that it works!

I wouldn't recommend this method if you're wanting to keep the paint underneath the underseal in-tact. You're likely to remove a lot of it.


You Will Need:

-Hot Air Gun
-Scraper
-Spray Bottle (something like an empty household cleaner bottle)
-White Spirit
-Wire Brush Attachment for drill
-Electric Drill
-Scourer
-Kitchen Towel


1) First, you start off by heating the area with the hot air gun and scraping with the scraper to get rid of the worst of the underseal. Don't worry if it all still looks quite messy.

2) Fill your spray bottle with white spirit and spray the area. This softens the remaining layer of underseal.

3) Use the wire brush attachment on the electric drill to go over the area. For tighter or more difficult to reach areas use the wire scourer and your gloved hands to scrape at the area. It'll all look even messier now.

4) Spray the area again with clean white spirit.

5) Simply wipe with kitchen towel and you'll have an underseal free surface!

It definately saved me loads of time compared to just using a hot air gun and scraper and you are left with an absolutely spotless surface.

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#2 mike.

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Posted 02 March 2008 - 09:02 PM

Wow, you made that look easy!

People always say that the wire brush just gets clogged with underseal though...?

#3 edi57

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Posted 02 March 2008 - 09:16 PM

Wow, you made that look easy!

People always say that the wire brush just gets clogged with underseal though...?


Yeah it is quite easy really!

As long as ur surface it wet enough with white spirit the underseal that gets on ur wire brush will tend to flick itself off easily enough. Make sure you don't mind ur surroundings getting covered in black specs of underseal!

#4 panelbeaterpeter

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Posted 02 March 2008 - 10:44 PM

Nice work! bet it's damn messy though.. :D

#5 edi57

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Posted 03 March 2008 - 06:10 PM

Nice work! bet it's damn messy though.. :lol:


Yeah, it can easily get messy.

My solution to keep the messyness to a minimum was to use a cup type wire brush on a reasonably low powered cordless drill. The process of wire brushing is there mainly to loosen the remaining underseal from the surface, not to remove it (by flicking it accross the garage!). The final wipe with kitchen towel gets rid of all the remaining loose rubbish.

#6 robmichell

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Posted 03 March 2008 - 07:36 PM

its not a fun job at all but i find you just have to keep goin,,, on mine nothing like white spirit worked i even tiried bitumen cleaner from work which is strong enough to soften hardened bitumen and that took two days to work, so good old scrapper and gun is all i could use, and i havent been able to flip car on side have to get underneath on the drive way lol.... oh well its all good fun...

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#7 elspedo

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Posted 21 April 2008 - 08:16 PM

Just been given a link to this, great help been strugglin with allsorts of ways but works a treat :D




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