Osburn STRATFORD II OB04007 Installation And Operation Manual page 41

• The chimney must have at least one support. The maximum chimney length that should
be supported by the fireplace is 9 feet (2.75 m) for 2" Solid Pack chimney (5 cm) and 12 feet
(3.7 m) for 1" Solid Pack chimney.
• The chimney must extend at least 3 ft. (92 cm) above its point of contact with the roof and at
least 2 ft. (61 cm) higher than any wall, roof or building within 10 ft. (3.1 m) of it.
• WARNING : IF THE CHIMNEY IS INSTALLED IN A CHASE, IT MUST EXCEED THE TOP
OF IT BY AT LEAST 3 FEET (92 CM) IF IT'S MADE OF COMBUSTIBLE MATERIALS OR
AT LEAST 1.5 FEET (46 CM) WHEN IT IS MADE OF NON-COMBUSTIBLE MATERIALS.
CHIMNEY: 3' (0.92 M)
MINIMUM
LESS THAN 10' (3.1 M)
2' (0.61 M)
MNIMUM
CHIMNEY
• Avoid deviations as much as possible, especially the sharp ones. Each deviation adds
restriction to the system and can lead to draft problems.
• If the chimney extends higher than 5 ft. (1.5 m) above its point of contact with the roof, it must
be secured using a roof brace.
• A rain cap must be installed on top of the chimney.
• A clearance of 2" (50 mm) between the chimney and any combustible material is required.
This space must remain free, without insulation or other combustible material.The parts of the
chimney that pass into inhabited spaces must be enclosed in an enclosure.
Installation and Operation Manual - Stratford II
MORE THAN 10' (3.1 M)
10' (3.1 M)
2' (0.61 M)
MINIMUM
RIDGE
NOTE: HEIGHT ABOVE ANY
ROOF SURFACE WITHIN
10' (3.1 M) HORIZONTALLY
CHIMNEY
CHIMNEY: 3' (0.92 M)
2' (0.61 M)
MINIMUM
WALL OR
PARAPET
CHIMNEY
LESS THAN 10' (3.1 M)
2' (0.61 M)
MINIMUM
CHIMNEY: 3' (0.92 M)
CHIMNEY
MORE THAN 10' (3.1 M)
MINIMUM
SHALL BE REQUIRED
CHIMNEY: 3' (0.92 M)
MINIMUM
CHIMNEY
MINIMUM
NOTE: NO HEIGHT
ABOVE PARAPET
WHEN DISTANCE
FROM WALLS OR
PARAPET IS MORE
THAN 10' (3.1 M)
WALL OR
PARAPET
Page 41