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Piotrsko · 05-06-2020, 10:32 AM

Depron isn't available in the US of A anymore but just about anything over 2 lb density squared works. I'm using Dollar tree foam board 20 x 30" 3/16 thick ($1 @sheet) but needs waterproofing as the paper and glues are sensitive.

05-06-2020, 10:32 AM	#61 (permalink)
Piotrsko Somewhat crazed Join Date: Sep 2013 Location: 1826 miles WSW of Normal Posts: 4,431 Thanks: 541 Thanked 1,208 Times in 1,065 Posts	Depron isn't available in the US of A anymore but just about anything over 2 lb density squared works. I'm using Dollar tree foam board 20 x 30" 3/16 thick ($1 @sheet) but needs waterproofing as the paper and glues are sensitive.