The Lighter Alternative. Lite Steam-A-Seam is the incomparable new lightweight fusible web from the Warm Company. Like the original, Lite Steam-A-Seam has a pressure sensitive adhesive that allows for a temporary hold to your materials. There is no pressing until your entire appliqué is in place. The lite Steam-A-Seams are ½ the weight of the regular versions. Sold as an individual 1/2" x 20 Yds unit.