The base from the perforated insulation pins can be adhered applying Boss 180 Multi-Seal adhesive or they may be screwed or nailed in position. Another level to debate is the fabric the insulation pins are made of. They are generally fabricated from possibly aluminium or galvanised steel, having said that, https://claytonuvxrk.full-design.com/the-basic-principles-of-insulation-hanger-72503413