Type C vents are used only as connectors. They are single walled galvanized pipes, and as such often called “galvanized pipes”. They are used only for venting gas or oil. Using a C vent with solid fuel appliances can cause extremely toxic fumes. This is the least expensive of the pipes.

What gauge metal is flue pipe?

Single-wall stove pipe is used on standard wood stove installations. According to CBMQ.com, it should be at least 24-gauge sheet metal or thicker — the lower the gauge, the thicker the metal. Typical code requires that single-wall stove pipe maintain at least an 18-inch clearance from any combustible material.

What gauge is single wall vent pipe?

This type of piping can be constructed from 22-gauge black, galvanized, or stainless steel, although black is the most common of the three. Single-Wall pipe also has the option of coming in a telescopic size, allowing the user to adjust the pipe to the desired height between the stove and the ceiling.