always follow the chimney manufacturers instructions.
NOTE: Type of chimney: Class A
Chimney,
appliances producing combustion gases not
in excess | of 1000°F under normal operating | |
conditions but capable | of producing combustion | |
gases of 1400°F during |
| intermittent |
forced firing for periods up to one hour. | All | |
temperatures are measured at the appliance flue outlet. |
highest | point of the house, or 2' |
above the point at which the | chimney |
is 10' from the roof. |
|
7.The chimney should be relatively straight and vertical.
8.The portion of an
9.A masonry chimney should be built on footings and not attached to the house.
10.A rain cap, complete with an animal or bird screen, should be installed on top of the chimney.
CREOSOTE — FORMATION AND NEED
FOR REMOVAL
TOP OF CHIMNEY MUST BE 2 FT. ABOVE HIGHEST POINT OF ROOF
2FT.
MINIMUMS
MINIMAL 3 FT.
FROM TOP OF CHIMNEY TO POINT AT WHICH IT PASSES THROUGH THE ROOF.
CAP SHOULD HELP PREVENT DOWNDRAFT WHILE STILL PROVIDING ADEQUATE EXHAUST.
3FT.
MINIMUM
RECOMMENDED MINIMAL 20 FT. HEIGHT
When wood is burned slowly, it produces tar and other organic vapors, which combine with expelled moisture to form creosote. The creosote vapors condense in the relatively cool chimney flue of a
The chimney connector and chimney should be inspected at least twice monthly during the heating season to determine if a creosote
lated, | it should be removed to reduce the risk of a |
|
|
chimney fire. |
|
SMOKE PIPE INSTALLATION
CHIMNEY FLUE |
|
SHOULD BE | CHIMNEY FLUE |
CONSTANT DIAMETER | MUST BE AS |
THROUGHOUT ITS | LARGE OR |
ENTIRE HEIGHT. | LARGER THAN |
APPROVED | FURNACE FLUE |
PIPE | |
CHIMNEY |
|
CLEANOUT DOOR |
|
SHOULD HAVE |
|
AIRTIGHT FIT. DO |
|
NOT LEAVE OPEN |
|
WHEN FURNACE IS |
|
IN OPERATION. |
|
CHIMNEY THIMBLE SHOULD BE
CONSTRUCTED OF FIRE CLAY, AND
SHOULD FIT TIGHTLY TO FLUE PIPE.
1.The wood furnace should be the only heating appliance using a chimney flue. One furnace per flue.
2.A masonry chimney should have a tile or stainless steel liner.
3.The masonry chimney should not have any missing mortar or loose bricks.
4.There should be no mortar or parts of the chimney blocking the chimney flue.
5.There should be a two inch clearance between any chimney (masonry or metal) and combustibles (such as the house).
6.The chimney should extend at least 2' above the
Clearances to combustible materials (i.e. paneling, ceiling tile, sheet rock, plaster, draperies, casements or wood trim, etc.) will vary with the type of flue connection used. Be sure to maintain the specified clearances for your type of installation.
TYPE OF FLUE | REQUIRED |
CONNECTION | CLEARANCE |
24 Gauge or Heavier | 18" |
Single Wall Stainless Steel |
|
COMBUSTIBLES |
SMOKE PIPE |
or Black Pipe
Double Wall Stainless Steel 6" Model 1600 8" Model 1800
Class A
According to NFPA standards, single wall stove pipes can be within 9" of combustibles provided an approved fire retardant material covered with 28 gauge sheet metal, spaced out 1" on
18"9"18"
CEILING OR WALL
2