Installing the
Chimney System
Start by attaching the first chimney section to the collar on top of the fireplace.
Install the pipe as pictured in Figure 14. When you get a good lock, you will hear the pipe clearly snap together. Once sections are
When installing elbows, only outer pipe will snap- lock. Middle pipes simply slide into position. Be sure to always attach straps on upper elbow to a structural framing member. (Fig. 15)
Continue installing the pipe as required until pipe is installed up through the ceiling. At this point, you must install a firestop spacer.
BFC36 Balance Flue
Pipe Section
Pipe
Rim
Hem
Lance
Pipe
Hem
FPC558a
Fig. 14 Install pipe, listening for the
Installing the Firestop Spacer | Elbow Strap | Support Structure | |
in the Ceiling Hole | |||
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A firestop spacer is used to keep pipe spaced properly |
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and required for safety. |
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Nail the firestop spacer (at each corner) to the framing |
| Elbow Strap | |
members of the ceiling hole. NOTE: A firestop spacer |
| (must be tight) | |
is not required at the roof. |
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Hole sizes listed in Figure 11 for angled firestop spac- |
| Ceiling | ||
| Hole Fram- | |||
ers provide minimum required air space to chimney |
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Angled Strap | ing | |||
pipe for ceiling thickness up to 8” (203mm). When |
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combined thickness of ceiling material, ceiling joists |
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and flooring material exceeds 8” (203mm), adjustments |
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must be made in framing to assure that minimum air |
| Angled Firestop | ||
spaces to chimney are maintained. |
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Proper Firestop Spacer Installation | FP270/271 | Chimney Support Strap | ||
Figure 16 shows different installation procedures for |
| (must be tight) | ||
Fig. 15 Attach straps to a structural framing member. | ||||
both an area that is an attic and an area that is not an | ||||
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attic. |
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If the area above the ceil- | Attic Installation |
| Ceiling Installation | |
ing is not an attic, position |
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| Nails (4) |
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the firestop spacer with the |
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flange on the ceiling side |
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| Joist | |
and the angled portion ex- |
| Firestop |
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tending up into the hole. |
| Spacer |
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If the area above the ceiling |
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| Firestop | |
is an attic, position the fire- |
| Joist | Spacer | |
stop spacer with the flange |
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on the top of the framed |
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hole and the angled portion |
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| Nails (4) | |
extending down into the |
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hole. |
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| FP593 | |
Fig. 16 | Installing firestop spacer. |
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7412647 |
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