Wood Stove Pipe Roof Clearance

Triple wall stainless steel chimney pipe 6dp 36ss.

Wood stove pipe roof clearance.

The roaring fire in the wood stove keeps the room toasty warm on a wet chilly night. At least 3 feet above the highest point of contact with the roof structure the vertical green arrow in our sketch at left and. Metal b vent chimney clearance distances above and on the roof. Double wall stove pipe on the other hand requires only 8 inches of clearance from the ceiling and 6 inches from a wall.

Where a ventilated type metal thimble is used the thimble must be at least 12 inches larger in diameter than the stovepipe figure 4. The 18 inch clearance can be reduced to 8 inches by extending the thimble see dotted line and surrounding it with at least 8 inches of fireproofing material. For example a single wall stove pipe requires 18 inches of clearance from ceilings or walls. Clearance distances are given for a gas appliance b vent at the rooftop.

Most wood stove and factory built fireplace manufacturers and local building codes will require that the chimney must extend at least 2 feet above any portion of any structure within 10 feet measured horizontally and must extend at least 3 feet above the highest point of its roof penetration. Using a heat shield on a single wall stovepipe allows you to reduce the clearances from 18 to 6 to the wall and 9 to the ceiling. For safety the single or double wall black stovepipe transitions to class a chimney pipe when it nears a. We discuss fire safety fire clearances and other gas appliance venting details for b vent chimneys.

The sketch at left shows the proper minimum chimney height and roof clearances for a masonry chimney. Triple wall pipe through the roof stove chimney kit 6dp kbsc. Masonry chimney roof clearance requirements. Determine the number of chimney pipe lengths required the chimney must extend at least 3 feet above the highest point where it passes through the roof and be at least 2 foot higher than any part of the building within a horizontal distance of 10 feet figure 2.

Once these clearances are met you must convert your stove pipe to class a chimney pipe for proper venting of your stove. Chimneys should extend upwards. This article series describes b vent metal chimneys used for gas fired appliances. 4 6 134 was save.

Masonry chimneys must terminate. Many think stovepipe can run from the wood stove right up through the ceiling and roof. Product rating is 5. Chimney planning step 2.

Most of the double wall stove pipe allows for 6 clearance from wall combustibles and 8 from ceiling combustibles. The top of a chimney pipe must extend at least 2 feet above the peak of the roof if the pipe is within 10 feet of the peak.