Product Description
Product Spec Sheet: 
36" x 30" Thermally Broken Ladder Access Roof Hatch Type S
Make sure your building has a thermal roof hatch. Introducing the BAC-S-50TB Thermally Broken Ladder Access Roof Hatch can reduce heat transfer between the exterior and interior surfaces withstand harmful condensation. It has ozone-friendly polyisocyanurate insulation (R-20+), providing superior energy efficiency to the building.
The roof hatch comes in all standard single leaf sizes, and you also have special single-leaf sizes you can choose upon request. The material for the cover and frame is 11 gauge aluminum. The gasket is an extruded EPDM rubber permanently adhered to the cover. The roof hatch also has heavy-duty pintle hinges with ⅜". It has a slam latch with the interior and exterior turn handles and padlock hasps. The curb 12" in height with integral cap flashing, 3" polyisocyanurate insulation, fully welded at corners, and 5-1/2" mounting flange with 7/16" holes provided for securing frames to the roof deck.
When you open the cover, it's assisted with compression spring operators enclosed in telescopic tubes. It can be held open because of an automatic hold-open arm with a grip release handle. You can only buy in a mill finish aluminum, and all hardware is zinc plated/chromate sealed.
Material : 11 gauge (2.3 mm) aluminum cover and frame
Gasket : Extruded EPDM rubber gasket permanently adhered to cover
Hinges : Heavy-duty pintle hinges with 3/8" (9 mm) Type 316 stainless steel hinge pins
Latch : Slam latch with interior and exterior turn handles and padlock hasps
Finish : Mill finish aluminum