1 1/2 in x 1 1/2 in x 12 Gauge GEMCO Square Self-Locking Washer
2 in x 2 in x 4 1/2 in GEMCO Perforated Base Insulation Hanger
2 in x 2 in x 5 1/2 in GEMCO Perforated Base Insulation Hanger
R21 5 1/2 in x 15 in x 93 in Knauf EcoBatt High Density Kraft Faced Insulation
