2 Heatilator • Birmingham BIR50-B Installation Manual • 4059-701 • Rev B • 2/6/13
Safety Alert Key:
•DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.
•WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.
•CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
•NOTICE: Indicates practices which may cause damage to the fi replace or to property.
Table of Contents
1 Product Specific & Important Safety Information
A. Appliance Certifi cation 4
B. Non-Combustible Materials 4
C. Combustible Materials 4
2 Getting Started
A. Typical Fireplace System 5
B. Design and Installation Considerations 6
1. Selecting Fireplace Locations 6
2. Locating Fireplace & Chimney 7
C. Tools and Supplies Needed 8
D. Inspect Fireplace and Components 8
E. Fireplace System Requirements 8
3 Framing and Clearances
A. Fireplace Dimensions 9
B. Clearances 10
Minimum Clearances to Combustibles 10
C. Construct the Chase 11
D. Frame the Fireplace 12
E. Secure and Level the Fireplace 13
F. Protective Metal Hearth Strips 13
G. Outside Air Kit 14
4 Chimney and Termination Installation
A. Chimney Requirements 15
B. Clearances 17
C. Installation Notes 17
D. Frame Openings 17
E. Cut Roof Opening 17
F. Install Firestop 17
G. Assemble Chimney Sections 18
H. Using Offsets/Returns 18
I. Offset Elbow Installation 19
J. Supplementary Support & Stabilizer 19
K. Install Attic Insulation Shield 20
L. Install Roof Radiation Shields 20
M. Attach Flashing 20
Field-Constructed Chase Top Flashing 21
N. Finish Top 22
O. Chimney Termination Requirements 23
5 Shrouds
A. Shroud Requirements 24
B. House Style Shroud 25
C. Arch / Mailbox Style Shroud 26
D. Pyramid Style Shroud 26
6 Finishing
A. Finishing Material 27
B. Hearth Extension, Building and Finishing 29
1. Fireplace Installed Flush on the Floor
and Hearth Extension Raised to Bottom
of Firebox Opening 29
2. Raised Hearth Extension and Raised Fireplace 30
3. Fireplace Opening and Hearth Extension Flush
with the Floor 31
C. Non-Combustible Sealant Material 31
D. Sidewalls/Surrounds 32
E. Mantel and Wall Projections 32
7 Fireplace Setup
A. Install Hearth Molded Brick Panel 33
B. Install Back Molded Brick Panel/Traditional 33
C. Install Side Molded Brick Panel/Traditional 33
D. Install Back Molded Brick Panel/Herringbone 34
E. Install Side Molded Brick Panel/Herringbone 34
F. Install Screens 34
G. Install Mortar (Optional) 34
H. Grate 34
I. Gas Log/Lighter Provision 35
J. Wood Burning Inserts 35
8 Reference Materials
A. Chimney Components 36
B. Optional Components 36
