The Diamond Series of roof hatches features R-6 polyisocyanurate insulation in both the curb and the cover, exceeding the IECC R-5 requirement for curbs and reducing energy costs. A one-handed latch opening allows easy ladder access. The lid is counterbalanced to comply with OSHA fall protection standards.
Available in steel and aluminum, with options including seven standard sizes, a full range of custom sizes and double wall and higher R-value curb insulation.