under coating the fiberglass body

[Jordan Law]

Has anyone undercoated the fiberglass body of the MK4 before assembly. If so, what product do you recommend

[GoDadGo]

Has anyone undercoated the fiberglass body of the MK4 before assembly. If so, what product do you recommend

Herculiner or UPOL Raptor are both good choices.

https://youtu.be/b1fcntE6Ryc

Just Wear Gloves!

[Al_C]

check this thread: https://thefactoryfiveforum.com/showthread.php?31799-UNDERCOATING-recommendation-please!

I recommend the Dupli-color. I used it and am happy with the results. Big plus: clean up is easy.

[BadAsp427]

There are many build threads on here with many different options for this. Here is a LINK (https://thefactoryfiveforum.com/showthread.php?29472-Carl-s-20th-Anniversary-8690-Gel-Coat-Driver-2019-Hot-Rod-Power-Tour-Long-Hauler&p=349325&viewfull=1#post349325) to my build thread page where I did mine.

[Jordan Law]

Herculiner or UPOL Raptor are both good choices.

https://youtu.be/b1fcntE6Ryc

Just Wear Gloves!

Thanks so much for the input

[Jordan Law]

Thanks so much and the link was/is great \.

[AC Bill]

I first painted the entire underside with black epoxy paint. After completion, but before final body paint, I brushed the area of the body above the tires, with a bed-liner. Then as a final sealer/protectant, in the tire areas of the body, and rear cockpit exterior cockpit aluminum, I sprayed a rubberized/ashphalt undercoating. Also did all four aluminum splash shields. The idea being, it would reduce road noise from debris kicked up by the tires, and further prevent stars in the paint.

[ckrueger]

I undercoated and also did Alex's inner wheel well liners as I was still concerned about stone hits reflecting up through the fender to the paint. Plus the liners give a more finished look.

[BEAR-AvHistory]

Was one of those things that slipped my mind till it was painted. I put in wheel well liners instead. All alloy exposed exposed to the weather is covered with truck bed liner