Bilco RL2-STB - Hatch Railing for S-50TB Thermally Broken Safety Railing, 36" x 30"

The Bilco RL2-STB is a fixed roof hatch safety railing sized 36″×30″ produced for use with the S-50TB thermally broken roof hatch. It uses corrosion-resistant aluminum rails and posts with a powder-coat safety yellow finish, includes a self-closing gate and cast aluminum latch, and mounts non-penetratingly to the hatch’s cap flashing. All fasteners are stainless steel, and the system is designed to meet or exceed OSHA fall protection standards.

Key Features:

• Aluminum rails and posts with safety yellow powder-coat finish for visibility and corrosion resistance
• Self-closing gate with cast aluminum latch on the 2′-6″ side for secure access protection
• Non-penetrating mounting brackets attach to cap flashing to avoid damaging roof membrane
• Meets OSHA regulation 29 CFR 1910.23 for fall protection strength requirements
• Includes type 316 stainless steel hardware and a five-year warranty

• Width × Length: 36″ × 30″
• Material: Rails and posts are 1¼″ schedule 40 pipe in 6061-T6 aluminum; mounting brackets are 6063-T5 aluminum; fasteners are type 316 stainless steel 
• Finish: Safety yellow powder coat paint 
• Weight: Approx. 52 lb 
• Includes: Rails, posts, mounting brackets, self-closing gate, latch hardware

• Unbox RL2-STB and identify all components: rails, posts, brackets, gate, latch hardware.
• Place the railing over the existing S-50TB hatch cap flashing, aligning non-penetrating brackets over the flashing.
• Attach posts and rails using stainless steel hardware through the brackets, mounting flange, and side plates as required.
• Install self-closing gate and latch; test gate operation and strength; check that all fasteners are secure and finish is intact.

Q: What size of roof hatch is the RL2-STB compatible with?
A: It is designed for the S-50TB thermally broken roof hatch with an opening of 36″ by 30″.

Q: Does RL2-STB attachment damage the roof membrane?
A: No. It uses non-penetrating brackets that secure only to the hatch’s cap flashing, preserving roof membrane integrity.

Q: What is the weight of RL2-STB?
A: The system weighs approximately 52 lb.

Q: Is the gate self-closing, and what type of latch does it use?
A: Yes. It includes a self-closing gate with a cast aluminum latch on the shorter side (30″ side) for secure closure.