Amazing to see so much information for tarp fans.
This tarp is my first MYOG project, inspired by a a impromptu 5m x 4m tarp I built on my last camping trip.
Pic here: http://www.flickr.com/photos/85386090@N00/6152283033/in/photostream
It lasted 4 days, then the wood poles broke in high wind and eyelets pulled out.
So now I'm making something more robust (and 4m x 4m). I've lots of questions.
My chosen material is silicon ripstop (probably similar to Silnylon folks use elsewhere) 140cm wide. To make the tarp I'll join three 4m x 140cm strips along the long edge. Should the joins be reinforced?
What would be suitable tie-out point reinforcement material or approach for a tarp of this size?
Hope you can help!