Foil duct tapes

Foil duct tapes, used in North America for heating, ventilation and air conditioning systems, are constructed of 50 pm aluminum foil coated with 50-100 pm of an acrylic dispersion PSA to provide high adhesion and functionality at extreme use temperatures. Once coated, the adhesive is covered with a release liner to prevent adhesion to the top side of the foil and subsequent blocking of the tape roll. Some foil tapes use strands of fiber reinforcement laminated between foil and kraft paper layers to improve tensile strength [24]. 

Glass wool and aluminum foil (shiny side in) are often used for insulation. You can wrap the column with glass wool and then use a wrapping of the aluminum foil to keep it in place. An especially effective method is to make an insulation blanket by placing a layer of glass wool or cotton between two rectangles of aluminum foil, placed shiny side in. The sandwich is bound together with duct tape. This blanket, which is reusable, can be wrapped around the column and held in place with twist ties or tape. 

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