Chico State’s Physical Science building We completed a tear-off before installing an EPS 1/4 inch taper system, new 60-mil GAF mechanically attached single-ply, 60-mil siding on the mechanical room, and 24 gauge PBR panel. Bryce HarbertOctober 14, 2018 Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0 0 Likes