Olympia 3-Pack Universal 18 Gauge 13x18 Flat Top Plates - No Sag, No Leak Construction (TPNS3-1318) for Roofing & HVAC Installations" (Note: This optimized title includes: 1. Clear product name with key specifications 2. Important features (no sag/no leak) 3. Part number in parentheses 4. Added application scenarios (roofing & HVAC) 5. Proper formatting for SEO with relevant keywords)

3" Olympia New Universal Components 18-Gauge 13" x 18" No Sag/No Leak Flat Top Plate - TPNS3-1318

This top plate is used to secure a flexible chimney liner from the top of the chimney and ensure a tight seal without any sagging or leaks. These Universal Components fit all the leading flexible liner brands.

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to .