I dont know if this answers any of your questions WV, but my last DIY Underquilt is a double layer of Insulation (Apex) 3 and 1.5. I used the full width of 3 and cut the1.5 into strips that I then tacked to the 3 sheet. When I sewed everything together, I only sewed the edges. For the areas with the strips, I just sewed a few short stitches along the rows in sort of a quilt like fashion. Not sure what the temp rating is, but I have had it down to 20* and was very comfortable.
Sent from my iPhone using Tapatalk
Bookmarks