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FSP — Firestop Support

How to Specify

Using tables from the National Fuel Gas Code or our Sizing & Application Guide, determine the diameter of venting required. The Sizing & Application Guide also offers tips on good design including multi-appliance system sizing and design. The System Design and Installation Guide is an additional resource.

Amerivent FAQs

FSP — Firestop Support

Assets/Details

The firestop support supports Type B gas vent starting at the appliance level and includes a support bracket. The support bracket (SB) and firestop (FS) are also available separately. Supports up to 20 feet.AV_FSP_VC line art firestop support plate

Support Bracket (only) Model

Support Bracket (only) Model
3SB
4SB
5SB
6SB

Available sizes (inches)

ModelSizeABC
3FSP3"5 1/2"3 1/2"7 1/2"
4FSP4"6 1/2"4 1/2"8 1/2"
5FSP5"7 1/2"5 1/2"9 1/2"
6FSP6"8 1/2"6 1/2"10 1/2"
7FSP7"10"8"12"
8FSP8"11"9"13"