Originally Posted by draugen
have some 1,5 ozprsqyd rripstop lying around, but it is pu-coated, I recon this dont make good hammock material.
Correct. If it's waterproof, you'd sweat in it and/or it would collect condensation and get you wet. You want breathable material, though it can be "DWR" (durable water repellant).
A good thing about DIY is the trial-and-error.