Best 3 Inch Roof Flashings of 2026

The Sobalai Metal Roof Boot is designed to fit pipe diameters from 1/4" to 5 3/4", making it ideal for sealing furnace tops, chimneys, and high-temp vents. Its flexible aluminum base adapts easily to any corrugated metal roof, allowing you to cut and fit the perfect size with clear markings. This ensures a snug, secure fit that prevents leaks. The boot’s sealing is tested for quality and durability, giving you confidence that it will protect your roof from water and air penetration. Plus, its square base design creates a tight seal between the roof and pipe, keeping your home safe from costly water damage.

The Yaocom Roof Pipe Boot comes in a convenient 2-pack, giving you a spare for easy replacement when needed. Its neutral gray color blends well with most home exteriors, adding a neat look to your roof. This boot fits pipes ranging from 1/4" to 5" in diameter, so you can adjust it to match your specific pipe size for a secure fit. Made from durable EPDM rubber and aluminum, it promises long-lasting performance and creates a strong, waterproof seal around your pipes. The boot’s conical shape helps keep rain out, protecting your home from leaks and water damage.

Oatey ThermoPlastic Base Flashing is a roofing repair supply manufactured by Oatey. Made in the United States, this product features non-fading, non-cracking, and non-rusting bases and sealing collars. The base of the flashing slides over the pipe, with the type of base determining the pitch. The collar of the flashing has a ring that tears off, allowing the flashings to seal different pipe diameters. Approved for Type B installations, this product is a reliable choice for various roofing repair needs. It is important to note that it is not suitable for hot-mopped or built-up roofs. With its durable materials and versatile design, Oatey ThermoPlastic Base Flashing provides convenience and peace of mind for users.

The TURNSPOUT Downspout Connector offers a versatile design that fits common aluminum downspouts, including reshaped 2x3" sizes, making installation flexible for various gutter systems. You can easily adjust its position thanks to a friction screw that locks it securely in place or lets you move it freely when needed. Made from durable, weather-resistant plastic, this connector stands up to UV rays and impacts, ensuring long-lasting performance. Recognized as the Best New Product at the National Hardware Show, it combines reliability and innovation to help you manage water flow efficiently around your home.

The Oatey Retro Master Flash is designed to slide easily over pipes with angles up to 45 degrees, making installation on sloped roofs straightforward for you. It requires a silicone sealant between the base and the roof surface, which helps create a waterproof seal and keeps your roof protected from leaks. You can secure it firmly with sheet metal screws, ensuring it stays in place even in tough weather. The flashing fits a range of pipe sizes, so you don’t have to worry about compatibility issues. This makes the Oatey Retro Master Flash a flexible and reliable choice for sealing pipes on your roof.

The KAZFFD Rain Collar is designed for vent pipes measuring 1.5 to 3 inches, providing a self-sealing, non-fading protective layer. It acts as a water shield by easily sliding down over your vent pipe, ensuring a watertight seal without the need for caulking. This rain collar also offers UV protection to extend its lifespan. If you have existing "no-calk" roof flashings, you can quickly repair any leaks by simply sliding the collar over the top, giving you peace of mind until a permanent fix can be made.

The HNF No-Calk Rain Collar offers a simple and effective way to protect your roof vent pipes from water damage. Designed to fit vent pipes between 1.5 and 3 inches, it slides easily over the pipe to create a strong water barrier. You can quickly repair worn or damaged rain collars by sliding this product over existing vent flashings, saving time and effort. It also provides a watertight seal without the need for caulking, making installation cleaner and easier. Plus, its durable material resists UV damage and harsh weather, ensuring long-lasting protection for your roof vents.

The Oatey-14207 Roof Flashing is a high-quality product designed for HVAC and Refrigeration systems. Manufactured by Oatey in the United States, this roof flashing is perfect for protecting your roof from leaks and water damage. It is made with durable materials and is suitable for use on roofs with a diameter of 3 inches. The Oatey-14207 Roof Flashing is easy to install and provides a secure and watertight seal. With its black color, it blends seamlessly with your roof, enhancing its appearance. This roof flashing is a reliable and convenient solution for all your roofing needs.

The Oatey Aluminum Flashing is a versatile roof flashing that can be used on multiple pipe sizes. Its patented All-Flash design ensures a secure fit and its self-sealing collar eliminates the need for caulking. With a metal base that allows for pitch adjustment from 0-40 degrees, this flashing is suitable for various roof installations. Additionally, it is rated for continuous heat of up to 180 degrees Fahrenheit, making it ideal for Type B installations. The Oatey Aluminum Flashing's innovative features provide convenience and ease of use, saving you time and effort during installation.

The Bennington Roof Collar Boot offers an easy solution to fix cracked or damaged vent stack boots without needing to redo your roof, saving you time and money. You don’t need any special tools or skills to install it, making it perfect for both temporary and permanent repairs. It also works as a preventative cover, protecting your original boot from weather damage, sun exposure, and cracks, helping you extend its life. Made from durable thermoplastic rubber with a stainless steel clamp, it creates a secure, waterproof seal on various roof types, giving you peace of mind and hassle-free installation.