Warp and weft6/11/2023 The higher your epi, the finer your yarn will be - which normally also translates to denser and tighter cloth. As an example, if you have an epi of 12, you’ll used a 12-dent reed. Ends per inch can also be referred to as the sett, which is determined by the size yarn you’re warping with, and subsequently the size reed you’ll use on the loom. The epi refers to how many individual warp threads land in 1” of your cloth. If the yarn does not immediately snap, it should be suitable for warping. If you need to test a yarn to see if it is strong enough for warping, you can snap the yarn hard between two hands and see if it breaks easily. We’ve outlined a few of these acceptable yarns below. Some slub yarns are still not suitable for warping, but if they are tightly spun and manufactured with warping in mind, the slub will hold up under friction. Using a slub yarn for warping bends the requirements of a good warp yarn, in that it has an uneven texture and is not smooth. If a yarn has elastic or is stretchy, it can create tension issues that cause irregularities in your woven textile. If the warp yarn has nubs, loops or an uneven texture, it can catch on the reed or break down over time. On a floor loom the warp will be threaded through heddles and the reed, and undergo friction as the cloth is beat down and advanced forward. It also needs to be smooth and without a lot of texture or stretch, especially when working on a rigid heddle loom or floor loom. We’ve also created this guide to choosing a weft yarn.Ī good warp yarn needs to be strong, so that it will not break while under tension on the loom. All of the warp yarns suggested below can also be used as weft while weaving. Choosing yarns for warping will depend on a few things - the loom you’re working on, how many ends per inch (epi) your project requires and the end use of your textile.
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