Rough up a smooth surface with fine-grit sandpaper for an extra secure hold.
Adhesive strips don’t work well on fabrics, vehicle dashboards, or flexible vinyl. They may also come loose if they’re left in direct sunlight.
Adhesive Velcro strips won’t stick as well if you peel them off and try reusing them.
You can buy sew-on Velcro strips online or from big box stores and craft stores.
If you’re not attaching the Velcro to clothing, then it doesn’t matter which strip you use.
Try using the same color thread as the Velcro so it blends in. You can also sew an X through the center of the Velcro to keep it flat against the fabric. [13] X Research source
You can wash and dry the fabric immediately after you sew the Velcro to it.
Make sure you use an ironing board and keep the oven in a heat-safe place so it doesn’t burn anything.
Never iron the front side of the Velcro since you could damage it.
If you’re attaching Velcro to delicate fabric, lay a press cloth over the actual fabric for an additional layer of protection.
Wait 24 hours after attaching the Velcro to wash or dry your fabric again. When you do, close the fastener so lint doesn’t get caught in it.
