How High Above Hip Roof Should Duravent Be

One contractor is recommending 2 attic fans and a ridge vent one is recommending 1 attic fan and a ridge vent and one is recommending 1 attic fan and 2 box vents.

How high above hip roof should duravent be. Select the proper flashing and storm collar. Duravent offers duratech in large diameters to vent largescale residential fireplaces and building heating appliances. I live in nj a little bit north of central so we have pretty good swings in climate between summer and winter. Specifications applications in the united states duratech chimney can be used with wood fireplaces furnaces boilers.

There are nice large overhangs at the eaves and we will be. I went up there last october when the high temp outside was 75f and measured temps in the attic no lower than 130f on the top of the insulation and over 160f at the roof line. We are going to be replacing the roof on our house as part of a project to make the house more energy efficient as well as an addition and remodel. Measure the roof pitch.

Metal chimneys that are more than 5 tall above the roof or 6 tall in some jurisdictions require bracing at the rooftop. This specification makes sure steep roof slopes are cleared. To determine this height measure 10 feet horizontally toward the roof from the point 2 feet below the top of the pipe. Duratech chimney is tested and listed for continuous operation at 1000 f and ten minutes at 1700 f in accordance with the ul 103 test standard.

For horizontal installations check the appliance manufacturer s instructions for minimum rise and maximum horizontal run. The top of the chimney should be at least 3 ft 0 92 m above the roof surface. The house has a shallow hip roof and the house is 42 wide and 26 deep. From the roof they will then draw a guide hole the size the diameter of each vent.

2002 simpson dura vent inc po box 1510 vacaville ca 95696 1510 retrieved 6 june 2015 op cit. The cap on top of the pipe should not be be included in the measurement. My existing house has a hip roof with terrible ventilation and it s stupefyingly hot in the attic. Determine the minimum height above the roof.

From the roof the roofer will remove shingles around the guide hole and about one inch back on the upper side of the hole. A snorkel termination may be used if height restrictions prevent adequate rise above the appliance. Vertical blue line along the left side of the chimney in our photo. The hip roof is the most commonly used roof style in north america after the gabled roof.

A hip roof or a hipped roof is a style of roofing that slopes downwards from all sides to the walls and hence has no vertical sides. For gas vents or a type l vent this distance above the roof surface must be at least 2 ft 0 61m. This article describes bracing and support requirements for metal chimneys.