Pickup Stack Height Above Roof

The top of the flue opening should be 3 ft 0 92 m above any roof surface.

Pickup stack height above roof.

Place stack downwind of air intakes. A vertical line drawn along the up roof side of the chimney from the roof surface to the top of the chimney flue opening shall be at least 3 ft in height. This is for masonry chimneys. Place the stack as far from the intake as possible 50 ft is recommended.

For a gas vent or type l vent this height must be 2 ft 0 61m or more. Where a structure has an earth covered roof extending from surrounding grade the vent extension shall run at least 7 feet above grade and terminate with an approved vent cap. We suggest using a roof brace kit or a field fabricated assembly using a support bracket assembly as shown in figure 15. Additionally per our rule we need to add 2 feet or 24 inches giving us a total height of 64 inches.

Place the stack at least 10 ft high on most roofs to avoid recirculation. Make sure the stack to protrude a minimum of 15 cm 6 inches from the roof. Some builders recommend a minimum of 30 cm 12 inches. All open vent pipes that extend through a roof shall be terminated at least 6 inches 152 mm above the roof and not less than 2 inches 51 mm above the invert of the emergency overflow except that where a roof is to be used for any purpose other than weather protection the vent extensions shall be run at least 7 feet 2134 mm above the roof.

If the pipe is farther than 10 feet from the roof. It s 6 inches in many states but especially in northern states like minnesota it s 12 inches. 2010 florida building code plumbing 904 1 roof extension. Standard z9 5 recommends a minimum stack height of 10 ft above the adjacent roof line an exhaust velocity v e of 3000 fpm and a stack height extending one stack diameter above any architectural screen.

If the chimney extends more than 5 feet above the roof it will require additional bracing. 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. At least 5 feet from or 2 inches above parapet walls. Provide ample stack height a minimum of 10 ft above adjacent rooflines or air intakes.

Sps 382 31 16 d 3. Plumbing books vary in their advice. Ipc 904 1 does not give a minimum height for stack vent termination above a roof it just says at least number inches mm the minimum termination height for a plumbing stack vent varies by state. To determine the length of brace measure from support bracket assembly to point on roof where brace will be anchored.