Welt cord is one of the most popular trims used on slipcovers. It gives definition to seams and adds a tailored finish.
Trimming your slipcover with welt cord is a personal choice. It’s more decorative than functional even though it does a pretty good job at adding strength to seams.
You can make the bias fabric strips for your cord with self-fabric (the same as your slipcover) or contrast. For the cord itself I recommend a medium firm poly tissue core wrapped in a braided cover, size 5/32. Get resources here.
There is more than one method to make welt cord. I’ve tried them all! But at the end of the day here’s the one that works best for me. Continue reading
I often trim my slipcovers with welt cord (piping). It adds a subtle design detail and professional finish. When the cord is covered in the same fabric as the slipcover it blends right in.
Welt cord also adds a lot of function to a slipcover. It gives structure to the furniture body, cushions and arms. It defines a skirt line or hem edge. And, it adds strength to seams.
The right type of welt cord will hold its shape and look smooth and straight throughout the life of a washable slipcover. I always use washable, flexible, non-shrinking cord. It has a poly tissue core that’s wrapped with a braided cover.
What I NEVER use is plastic clothesline. Here’s why:
I almost always put a zipper opening in my custom slipcovers for easy on and off.
For most styles, I insert the zipper in the left back corner. My customers don’t know it’s there until I point it out.
You might think it’s an invisible zipper. It’s not. It’s just a regular #3 nylon coil type and I sew it in much like you would a lap zipper.
But the trick to making it look invisible is how you close it. Here’s how: