Custom/Hybrid Deal on two part foam ?

[WFO Speedracer]

I ran across a pretty good article about the expansion rates of foam vs the amount of water added or humidity present.

http://store.alshobbyshop.com/adjustabledensityexpandingfoam.aspx

 

[WFO Speedracer]

I also found this one, price is cheaper shipping is more , works out about the same , yield is 1.25 cubic ft.

http://www.sprayfoamnation.net/product/4004520015

 

[WFO Speedracer]

Ok last deal $33.44 with free shipping, that puts it at the same price as regular pour foams.

http://www.amazon.com/Touch-Foam-Sy...ref=sr_1_1?s=hi&ie=UTF8&qid=1321403158&sr=1-1