Hi,
At the following, links I understand that alpackaraft, advice no more than 2.5 psi. Fabric and construction similar to any DIY project. So why not exceeding 1 psi, to 2psi or more if I can carry a small pump and achieve a stiffer and better responding packraft? Is it a matter of the heat welding seams or fabric?
Thanks,
Greg
https://www.alpackaraft.com/products/k-pump-mini