Single sided foam tape means coating adhesive only on 1 side of the foam. They mainly used for door and window glazing, ventilation system, duct and pipe insulation etc. 

Backing (foam): PE / EVA / PVC / PU / EPDM foam 
Adhesive: hot melt adhesive / solvent acrylic adhesive 
Thickness: 1mm / 3mm / 5mm / 6mm / 10mm etc 
Option 1: scrim reinforced / without scrim reinforced 
Option 2: with release liner / without release liner 
Option 3: foam density Foam color: white / black / grey 
Release liner: white paper liner / yellow glassine paper liner / green paper liner red / green / blue / dark red / white plastic film liner