When I was growing up my Dad never used shrink wrap and to this day I still don't. Beam isn't a problem, just build a higher pitch. After years of doing Dad's and my won boat's last year I finally came close to perfection. What usually ruins this are cheap tarps (get a good one), rope used to tie it and the mess at the bow which usually collects rain and snow. My frame is 1 1/4" PVC. I had most of the pipe already so it only cost some fittings. The tarp covers about 66% of the boat fine. One key is to use HD bungees instead of rope. This allows some give. I had found some clips at BW before they went out that allows me to clamp down on the tarp. The clips have a cord slot in them to allow for clamping on the tarp with the cord inside. These are the real key. I run a line off the bow on both sides around the boe keel block. I then secure this line towards the stern with 2 lines to the swim platform struts to keep any pressure off of the keel block. The boat is heavy enough that the tarp won't move it but more is better. I then fold the tarp at the bow around these lines and pull them up on the inside and tie them to the railing. This is roughly about a 45 Deg angle. Think of wrapping a present. With the clips, I clamp them of the folded edge of the tarp and make sure the cord from the bow in in the slot which give the clips a little more bite. The clips a turnscrew to tighten and also have eyes that allow me to tie (yes, I use rope) and snug the eyes together around the curved bow under the rub rail. This leaves no tarp wrapped on the outside with a upturned edge to catch the rain and snow as the folds are on the inside. Bottom Line- 1 tarp for $150 = 3 years - you can't touch shrink wrap for that.