Osburn STRATFORD II OB04007 Installation And Operation Manual page 43

9.3.2 Ceiling Supported Installation
G
F
E
D
B
A
1. Cut and frame square openings (C) in the ceiling, floor and roof where the chimney will pass. A 2"
clearance must be maintained between the chimney and any combustible materials. The 2" space
must remain empty, without insulation or any other combustible material. The size of the floor and
ceiling holes must be in accordance with the chimney manufacturer's instructions.
2. From underneath the ceiling, install a ceiling support (B) in each floor where the chimney will pass.
In the attic, install an attic radiation shield from above (D).
3. Install an anchor plate (A) and a first chimney section on the fireplace. Install the number of
chimney sections needed, making sure to lock each section in place.
4. When the desired height of the chimney is reached, install a roof support (not shown).
Put the roof flashing (E) in place and seal the joint between the roof and the flashing with roof
5.
sealant. For sloping roofs, place the flashing under the upper shingles and on top of the lower
shingles. Nail the flashing to the roof, using roofing nails.
When a ventilated roof flashing is installed, precautions are to be taken not to caulk or seal the
ventilating openings.
6. Place the storm collar (F) on the roof flashing and tighten it with the bolt. Seal the joint between
the storm collar and the chimney, using silicone sealant.
Install the chimney cap (G).
7.
Installation and Operation Manual - Stratford II
C
A : Anchor plate
B: Ceiling support
C: Framing opening
D: Attic insulation shield
E: Roof flashing
F: Storm collar
G: Chimney cap
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