A Bilco Type S-50T roof hatch measuring 36 inches by 30 inches installs over a roof opening framed with two-by-six wood members around the perimeter. Repaired built-up roofing ties into base flashing set over a 3-inch cant strip and plywood sheathing. A metal ladder with safety cage extends down past the interior wall and connects to the existing concrete slab.
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership