Chimney Height Extension

Chimneys shall extend at least 2 feet 610 mm higher than any portion of a building within 10 feet 3048 mm but shall not be less than 3 feet 914 mm above the point where the chimney passes through the roof.

Chimney height extension.

Designed for high ceilings cosmo s island mount chimney extension either partially or fully replaces the segment s included with your range hood for a total of 60 inches in height. Chimney extensions allow every zline hood to fit your kitchen perfectly. If you have a particularly short ceiling or high ceiling these extensions are for a customized fit. Because of all the trees behind it are higher this chimney is too low which causes down drafting where the smoke travels back down the chimney instead of u.

Vented or non vented chimney sides available. Each chimney has the same matching brushed stainless steel as your hood and may be completely seamless on the front and rear. With the exception of rumford firerock units come standard with a 34 5 opening height. Learn more about firerock outside air kits installation kits height extension kit firebrick adhesive mortar metal chimney system solid block chimney bricking flange and offset blocks by clicking the links below.

They intend to make sure that the chimney draws properly and that a fire hazard does not occur. Be sure to measure twice and order the correct extension that matches your hood at the range hood store. Firerock products can support multiple chimney extension blocks. But chimney height extensions must be properly designed connected or installed or the result can be leaks into the structure or an ineffective chimney height extension that doesn t work or worse is unsafe.

Firerock s height extension kit can be used to increase the firebox s finished opening by almost nine inches. Due to a variety of sizes and options each specialty flue extension is made custom per order. And at least 2 higher than any portion of a building within 10. Often the repair for a too short chimney or flue whether masonry or metal is simply to extend the chimney to the proper height above the building rooftop.

Specifications aren t there to merely cause you problems. Extension block measures 22 w x 6 h x 22 d. The chimney must extend at least 3 above the highest point where it passes through a roof. The chimney dimensions vary by ceiling height and hood type.

This extension telescopes with the outer cover and can be shortened or lengthened depending on your needs. 22 flue extension increases height by 1 foot. Predrilled holes for rebar installation. This accessory is perfect for designs that call for an arched opening that would normally reduce the open area of the firebox.

34 flue extension increases height by 2 feet.