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serialk11r · 06-15-2021, 02:09 PM

Yea I was thinking if you spray on something thinner that can soak into the cardboard, it'll basically waterproof it at the same time. I haven't used Flexseal before but that's what I thought of.

06-15-2021, 02:09 PM	#38 (permalink)
serialk11r Master EcoModder Join Date: Jan 2012 Location: United States Posts: 1,756 spyder2 - '00 Toyota MR2 Spyder Thanks: 104 Thanked 407 Times in 312 Posts	Yea I was thinking if you spray on something thinner that can soak into the cardboard, it'll basically waterproof it at the same time. I haven't used Flexseal before but that's what I thought of.