Insulation Anchors Insulation Anchors Glued in place and used to support rigid board and batt type insulation on wall and ceiling applications. The anchors incorporate a 12-gauge spindle (nail) and a 2" x 2" square perforated base made of low carbon steel, galvanized coated. 3 ½” Standard – 1000/Cs 5 ½” Standard – 500/Cs 6 ½” Standard – 500/Cs 8 ½” Standard – 500/Cs
