P2709.2 Lining Required
- Sheet lead.
- Sheet copper.
- Plastic liner material that complies with ASTM D4068 or ASTM D4551.
- Hot mopping in accordance with Section P2709.2.3.
- Sheet-applied load-bearing, bonded waterproof membranes that comply with ANSI A118.10.
The lining material shall extend not less than 2 inches (51 mm) beyond or around the rough jambs and not less than 2 inches (51 mm) above finished thresholds. Sheet-applied load bearing, bonded waterproof membranes shall be applied in accordance with the manufacturer's instructions.