DIY Tarp Ridgeline Seam Binding Question
Construction on my DIY tarp will begin soon. Just about got it all figured out except for the method I'll use to bind the ridgeline seam. I know it isn't required, but I'm determined to do it. I want to apply the binding over the seam and not roll the seam over the binding. There's nothing wrong with rolling it over, I know, but I want it on the outside for appearance.
So my questions are:
1) If I use the Backwoods Daydreamer modified felled seam and apply a binding material over it (GG, or maybe a low-stretch polyester twill), is the binding applied so that the stitching is outside the felled seam area (i.e just into a single layer of sil), or is the stitching applied through the felled seam (i.e. through many layers of sil). I can see the benefit of stitching through multiple layers, but then I think I will need to make my felled seam wider to accommodate the width of the binding. I was planning to use ~1/2" binding.
2) Is the binding applied to the outside of the tarp only? I presume so, but somewhere in the gallery I saw a tarp with GG binding on both sides of the ridgeline seam. That seems like overkill, but what do you guys think?