Flat Sub Base 3in. Tall – No Crimp

The FAMCO FB34 Flat Sub Base 3 inch Tall - No Crimp is designed to give a roof vent three inches of additional clearance for installation on a tile roof. This product features a large flange for easy installation and leak protection. No field trimming required. Weather proof construction. Quality constructed in 28 gauge Galvanized steel. The FAMCO FB34 Flat Sub Base 3 inch Tall - No Crimp comes in a range of sizes: 3¾ inch, 7¾ inch, 9¾ inch, and 11¾ inch. The FAMCO FB34 Flat Sub Base 3 inch Tall - No Crimp is manufactured by FAMCO in the United States and comes with a 1-year warranty against product defects and workmanship. If you have any questions about this product, please refer to the FAQs above or feel free to contact us.