5 Inch Mill Finish Flat Pitch Roof Vent Pipe Boot - Durable & Weatherproof for Home Roofing & Plumbing" 使用场景: Perfect for residential roofing, plumbing installations, and HVAC systems to ensure proper ventilation and prevent leaks.

Roof vent pipe boot made of metal with a lead internal casing. Install in new construction or as a replacement over plumbing pipe stack. Frost top ring protects from freeze over and other obstructions. Long lasting construction with 10 Year written guarantee and 30 year plus life. Standard pitch for 1/12 to 7/12 roofs and steep pitch for 5/12 to 15/12. Telescoping construction allows custom adjustment to your roof pitch.