New Buck Corporation 20 Room Heater manual Chase Enclosure And Corner Location Framing

Optional

Fire Code Sheet Rock

And Metal Fire Stop

2 In.

Min.

TOPPER

STORM COLLAR

ROOF FLASHING

TRIPLE WALL PIPE

CAUTION: Refer to chim- ney manufactures instruc- tions for assembly and disas- sembly of chimney parts. Be sure to follow chimney instructions for proper clear- ances to combustibles and proper air spacing required.

Ceiling

NOTE: Follow building and fire codes for each indi- vidual state.

15FT.

MAX.

NBC

RADIATION

SHIELD

Chase

Enclosure

2 “X 4” STUDDING

USE FIRE CODE SHEET ROCK

NBC METAL FIRE STOP RADIA-

TION SHIELD

2”X 4” STUDDING

A SINGLE HEADER MUST BE

INSTALLED ABOVE CABINET

34 5/8”

THESE MEASUREMENTS

ARE CRITICAL

37 15/16”

17”

WARNING: Install the hearth protec- tor only as specified. The hearth exten- sion must extend a minimum of 17” in front of the fireplace opening and must be 37 15/16” wide minimum.

FIGURE 10 CHASE ENCLOSURE AND CORNER LOCATION FRAMING

7.Next construct the hearth extension out of non-combustible inorganic building materials as follows:

a)The hearth extension must extend 17” in front of the rough framed opening on the ZC20.

b)The hearth extension width must be at least 37 15/16”.

c)The hearth extension must be made of brick 2” thick, a listed “Hearth Extension” or “Floor Protector”, or a hearth extension made of non-combustible inorganic material with a K* factor of:

K = 2.5 BTU ((HR) (ft2) (oF/in.))

ALTERNATE FLOOR PROTECTORS MATERIALS

With the floor protector or hearth extension material specified as one layer of 2” thick brick with a K* factor of 5.0, you may use alternate materials as long as the K* factor (s) is calculated as follows:

Formula: Required thickness = (K of alternate material/K of millboard) X (thickness of millboard)

Example: An alternate inorganic non-combustible millboard with a K of .9375 would require a thickness as follows:

Required thickness = .9375.0o x 2 inch = 3/8 inch