BW36 SERIES WOODBURNING FIREPLACE
1. Materials for the Chase.
The chase is constructed using framing mate- rials much the same as the walls in your home. A variety of materials may be used including brick, stone, veneer brick, or stan- dard siding materials.
In constructing the chase, several factors must be considered.
a.Maintain a 1" minimum air space around the firebox.
b.Maintain a 2" air space around the chim- ney.
c.The chase top must be constructed of a
d.In cold climates a firestop spacer should be installed in an insulated false ceiling at the 8 foot level above the firebox assembly. This prevents heat loss through the fireplace.
e.In cold climates, the walls of the chase should be insulated to the level of the false ceiling as shown in Figure 21. This will help prevent heat loss from the home around and through the fireplace.
No one builds a better fire
WARNING!
DETAIL INSTRUCTIONS FOR INSTALLA- TION OF THE CHASE TOP, STORM COL- LAR AND TERMINAL CAP ARE PACKAGED WITH THESE PARTS. TO AVOID DANGER OF FIRE, ALL INSTRUCTIONS MUST BE STRICTLY FOLLOWED, INCLUDING THE PROVISION OF AIR SPACE CLEARANCE BETWEEN CHIMNEY SYSTEM AND ENCLO- SURE. TO PROTECT AGAINST AGAINST THE EFFECTS OF CORROSION ON THOSE PARTS EXPOSED TO THE WEATHER, WE RECOMMEND THAT THE CHASE TOP AND TERMINAL CAP BE PAINTED WITH A RUST RESISTANT PAINT.
2.Installing a Terminal Cap on a Chase Enclosed Chimney.
Construct a chase of desired materials maintaining a mini- mum 2" air space around the chimney.
WARNING!
NEVER INSTALL A SINGLE WALL SLIP SECTION OR
ROUND TERMINAL CAP |
(TR342, TR344) |
METAL CHASE TOP |
FIRESTOP |
SPACER |
FALSE |
CEILING |
Figure 21
Chase Assembly
Install the chimney sections up through the chase enclosure. When using a round terminal cap (TR344), the last section of pipe must extend above the top of the chase cone to allow installation of the storm collar and terminal cap.
A telescoping round terminal cap (TR342) is provided to simplify the installation of the terminal cap on a chase installation. The uppermost chimney section must terminate below the level of the chase top, but be no more than 15” below the level of the chase top. A 2” tall flashing collar must be provided on the chase top.
The ST375 Square Terminal Cap is intended for a chase installation. The uppermost chimney section must terminate no more than
When installing a TS345 or TS345P Square Termination, the uppermost chimney section must not be more than 3” below the chase top.
Attach the chase top (CT35) to the top of the chase.
Install the terminal cap, using the instructions provid- ed with it.
19 | 30491D |
