Best Metal Roof Chimney Kit Options for Safe, Leak-Proof Venting
Metal roof chimney boots and flashing kits provide a secure seal around vent pipes, resisting heat and weather while fitting curved or corrugated metal roofs. This guide reviews five top-rated options, highlighting materials, temperature tolerance, and installation notes to help homeowners choose the right kit for steel, aluminum, or copper roofs.
| Product | Brand | Pipe OD Range | Material | Highlights |
|---|---|---|---|---|
| Fasteners Plus #8 Square EPDM Metal Roof Pipe Flashing Boot Kit | Fasteners Plus | 6-3/4″ – 13-1/2″ | EPDM | Heat and weather resistant; bendable aluminum base for tight fit |
| Yaocom #8 Metal Roof Vent Boot Flashing Chimney | Yaocom | 6-3/4″ – 13-1/2″ | EPDM / Aluminum | Cone base with square frame; durable and flexible |
| Benfar 7 High Temp Roof Boot Kit | Benfar | 6″ – 11″ | Silicone | High temperature silicone; easy installation |
| Fasteners Plus #7 Square Silicone Metal Roof Pipe Flashing Boot Kit | Fasteners Plus | 5-1/2″ – 11-1/2″ | Silicone | Up to 500°F; flexible base for corrugated roofs |
| Yaocom #8 Od 6-3/4” – 13-1/2” Silicone High Temp | Yaocom | 6-3/4″ – 13-1/2″ | Silicone | High temp silicone; orange conical seal with aluminum support |
Fasteners Plus #8 EPDM Roof Boot Kit (6-3/4″ to 13-1/2″ Pipe)
This boot kit uses a durable EPDM rubber body with a bendable aluminum base to fit a wide range of metal roof profiles. The base supports secure attachment and a tight seal around vent pipes from 6-3/4″ to 13-1/2″ in outer diameter. Continuous temps up to 212°F and intermittent spikes to 275°F ensure reliable performance under typical roof vent conditions. The kit includes flashing, NovaFlex sealant, and stitching screws for a complete installation on square bases, with a black color option that blends with many metal roofs.
Yaocom #8 Metal Roof Vent Boot Flashing (7″ to 13″ Pipe)
The Yaocom vent boot is a versatile option featuring a cone-shaped body on a square base roughly 17 by 17 inches. It accommodates pipe diameters from about 6-3/4″ to 13-1/2″, and the assembly combines EPDM and aluminum for durability and a stable fit. The kit’s black main body with a silver aluminum frame offers a sleek look while delivering weather resistance and a secure seal around protruding chimney pipes on metal roofs.
Benfar 7 High Temp Roof Boot Kit
Benfar’s high-temperature silicone boot is designed for pipes with a 6″ to 11″ outer diameter. The kit emphasizes easy installation: insert the rubber boot onto the pipe and secure the bendable metal base to the roof with included screws. The silicone material offers durability against heat up to high levels and weather exposure, and the silicone seal can be replaced, providing a flexible, long-lasting sealing solution for metal roof vent penetrations.
Fasteners Plus #7 Silicone Flashing Boot Kit (5-1/2″ to 11-1/2″)
This kit uses high-temperature silicone, capable of withstanding up to 500°F, with a flexible aluminum base to conform to corrugated metal roofing. It covers pipes from 5-1/2″ to 11-1/2″ and includes flashing, NovaFlex sealant, and stitching screws for a complete installation. The red color option adds visibility if desired, while the silicone construction provides reliable UV, ozone, and weather resistance for metal roof systems.
Yaocom #8 Od Silicone High Temp Boot (6-3/4″ – 13-1/2″)
Yaocom’s orange silicone high-temperature boot accommodates 6-3/4″ to 13-1/2″ pipes with a 17-inch base for secure roofing attachment. The combination of silicone with an aluminum support delivers durability against ozone, UV exposure, and weather elements while maintaining flexibility for fit on various metal roof profiles. The kit is suitable for through-roof or vented chimney configurations, though installation hardware may be required separately per roof type.
Buying Guide: Key Purchase Considerations
- Pipe diameter range: Confirm that the boot’s pipe OD range matches your vent pipe size. Kits shown cover typical residential ranges around 6″ to 13″ OD.
- Material choice: Silicone and EPDM offer excellent weather resistance; silicone generally tolerates higher temperatures. Aluminum bases aid conformity to corrugated metal roofs.
- Temperature rating: For metal roofs near stoves or furnaces, select boots with higher continuous/intermittent temperature limits to avoid degradation.
- Installation approach: Some kits include flashings, screws, and sealants; others may require separate hardware. Ensure your roof type and slope are compatible with the base design (square vs. conical).
- Roof compatibility: Check base dimensions and shape to fit your metal panel pattern (standing seam, corrugated, or flat panels). A larger base can improve waterproofing on wider roofs.
- Leak prevention: Look for warranties or indications of UV and ozone resistance, and whether the sealant is included for a complete install.
- Maintenance and replacement: Consider whether the boot’s silicone seal or EPDM gasket is replaceable, providing longer service life with minor maintenance.
- Color and visibility: Some boots use red or black finishes; color may affect aesthetic integration with your roof and potential heat absorption.
Selecting a metal roof chimney kit involves balancing fit, temperature tolerance, and installation practicality. For best results, verify pipe OD, roof profile, and local climate when choosing among EPDM, silicone, and silicone-coated options. All five products reviewed provide robust sealing capabilities and market-tested materials suitable for typical residential metal roofs, with different base designs to accommodate a variety of pipe configurations.