spamreefnew
New member
i just made a foam /rock wall this morning,,how long should i wait till i submerge it? how long do you guys wait? 24 hrs? a week? month?
great stuff foam/how long 2 wait
- Thread starter spamreefnew
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spamreefnew
New member
"great stuff" expanding foam red can yellow/black lettering
spamreefnew
New member
the can says 2 hours but that seems to short for any type of glue to fully cure imo
Dow says it cures in 8 hours. I'd wait at least 2 days before putting water on it.
http://greatstuff.dow.com/greatstuff/diy/directions.htm
http://greatstuff.dow.com/greatstuff/diy/directions.htm
Cheetos&Cocopuf
Premium Member
Hey Spam,
Noticed you are in the cold State of Rhode Island. Get your foam wall into an area at least warmer than your tank water/lighting will be for curing. If not, then the foam may experience a "post-cure" resulting in more expansion and the release of more isocyanates into your tank.
Personally, I would give it at least a couple weeks cure time at 80 plus degrees to be safe as there will be trapped gasses in the pores of the foam which you want to leach out.
Noticed you are in the cold State of Rhode Island. Get your foam wall into an area at least warmer than your tank water/lighting will be for curing. If not, then the foam may experience a "post-cure" resulting in more expansion and the release of more isocyanates into your tank.
Personally, I would give it at least a couple weeks cure time at 80 plus degrees to be safe as there will be trapped gasses in the pores of the foam which you want to leach out.
What gases are you thinking get released?
Cheetos&Cocopuf
Premium Member
Good Day Randy,
Isocyanates and amines.
Isocyanates and amines.
