I sprayed my Sierra last weekend. I used the undercoating from Monarch Oil
https://www.monarchoil.com/
This is the first time I used the dripless oil, I have always used the drippy version. It took 4 litres to spray the entire truck! I had to stop three times to refill the cup on my gun. That was annoying. I used the RP-460-HD gun from Lemmer
http://www.lemmer.com/contents/en-us/d36_rust-proofing.html
There was not much undercoating on the ground after parking the truck overnight, so that is an indication I did not apply too much. I applied enough to ensure all the metal under my truck was covered.
Ambient temperature was around 20C. Maybe with warmer temperatures I might have needed less.
Does 4 litres sound excessive?
https://www.monarchoil.com/
This is the first time I used the dripless oil, I have always used the drippy version. It took 4 litres to spray the entire truck! I had to stop three times to refill the cup on my gun. That was annoying. I used the RP-460-HD gun from Lemmer
http://www.lemmer.com/contents/en-us/d36_rust-proofing.html
There was not much undercoating on the ground after parking the truck overnight, so that is an indication I did not apply too much. I applied enough to ensure all the metal under my truck was covered.
Ambient temperature was around 20C. Maybe with warmer temperatures I might have needed less.
Does 4 litres sound excessive?
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