CORNER

INSTALLATION

 

29-1/2”

 

 

D

 

 

 

J

 

F

 

 

Header

 

 

23-3/4”

 

B

E

 

 

 

A

Back Wall of Chase/Enclosure

OUTSIDE CHASE

Including Finising Materials if any

 

 

 

C

 

 

Zero

G

 

Clearance

 

 

2” x 3”

Min.

Insulated Chase Construction

Roof Support

Storm

Collar

Attic

Flashing

 

Radiation

* Floor

Shield

 

Ceiling

 

Wall

7 Ft.

 

Firestop

 

 

Min.

 

Note: Floor

6’ 8”

 

 

and wall

Min.

 

below the

 

 

attic must

 

 

be insulated

 

Fireplace

using the

 

same

 

insulation.

Plywood

7’

 

G

 

 

 

 

Min.

B

 

A

 

 

 

 

 

 

 

Rough Framing Face

 

 

(unfinished shown)

FRAMING DIMENSIONS

 

Fireplace Opening Width

 

A

46-3/8”

1178 mm

 

B

49-1/2”

1257 mm

 

C

42-3/4”

1086 mm

 

D

20-7/8”

530 mm

 

E

93-7/8”

2384 mm

26-1/4”

F

47”

1194 mm

 

G

27-3/4”

705 mm

 

J

66-3/8”

1686 mm

 

49-3/8”

15”

Rough Framing Face (Unfinished Shown)

Notes

Due to Lennox' ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice.

All framing dimensions calculated for 1/2" dry wall at the fireplace face. Ifsheathingthechaseorfinishingwithotherthicknessmaterials, calculations will need to be made.

*Zero inch (0" ) air space to insulation and building materials on back and sides.

*Total depth is 25 inches including the back spacer minus 1/2 inch for drywall to be flush with the facing.

41-3/4”

10-1/4”

7/8”

11-1/8”

16-1/4”

26-1/8”

1-5/32” 1”

43-1/4”

37”

Drywall or

Any Rigid

Material

2” x 4”

1/2” Plywood

*Floor Ceiling Wall

•Must have the same firestopping resistance as adjacent wall.

•Must have the same insulation as adjacent ceiling.

•Follow local rules regarding fram- ing construction.

Optional

Insulation

In Outside

Walls Of

Chase

8'

Level

Solid

Continuous

Surface

28-1/2”

4-1/4”

7”

31”

28-1/2”

3”

Outside Base

5-5/8”

46-1/4”

5-5/8”

Insulation

20-1/8”

Figure 10

10-3/8”

(Thermal Barrier)

Figure 11

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

9