Installing the Gas Fireplace
•
Familiarity of installation for all components.
•
The strength of the floor on which it rests.
•
Chimney system measurements.
•
Choice of materials and craftsmanship in fireplace and
hearth finishing.
Note that each of these topics will be covered in detail and
that the installer is expected to understand each phase
completely before going on to subsequent instructions.
Attention:
Be advised that all the illustrations in this manual
are for general reference only. Do not scale drawings. Actual
design elements will vary from case to case. Pay attention to
specified minimum clearances to combustibles.
Testing and listing for the Mason-Lite
™ Fireplace has been
undertaken by PFS Inc. (Report No. 08-154) to UL 127.
Attention:
You may need a residential building permit to
install a Mason-Lite
™ Fireplace. Consult local jurisdictions
before you get started!
If asked, advise the local authorities that the Mason-Lite
™
Fireplace is designed for installation per the National Fire
Protection Association Standard for Chimneys, Fireplaces,
Vents and Solid Fuel-Burning Appliances (NFPA211).
When choosing the location consider outside air requirements to
determine if it will be on the left or right side of the Fireplace. In
the case of an island installation, outside air accessibility may
be obtained through subflooring. See section on Installing
Outside Air on page 16.
Fig. 8-1
Typical Installations
Internal Wall Installation
Island
Installation
Clearance to Combustibles
The distance to be maintained from the surfaces of the
fireplace to combustibles must be observed. Below is a list
of the most common combustible materials to name a few:
•
Drywall
•
Wood flooring
•
Plywood sub-flooring
•
Wood Framing
•
Particle board
•
Mill board
•
Plywood paneling
Maintain the following clearances:
•
Unit front, sides, rear: 0"
•
Combustible Floor: 0"
•
Combustible Sheathing above opening top: 2" (200mm)
•
Sheathing or trim to opening sides: 8
” (200mm)
•
Mantel above opening: (refer to Fig. 8-2)
•
Opening to sidewall: 24
” (500mm)
•
Hearth extension beyond front: 20
” (500mm)
•
Hearth extension beyond sides: 12
” (300mm)
•
Insulation from firebox: 0"
Fig. 8-2
Understanding Clearance to Combustibles
There is a slight build-up of radiant heat on the outer
surfaces of the Mason-Lite
™Fireplace. It’s critical that proper
clearances to combustibles be maintained so that this radiant
heat is maintained to safe limits.
Combustible Floor Clearances
MGFPST-43 Mason-Lite
™ Fireplaces have been designed
with zero clearance to combustible floors.
Mason-Lite Fireplace & Chimney System
Prior to starting the installation, check with local, regional or
state codes for any restrictions or required permits
regarding your fireplace installation.
1) The Mason-Lite
™ is designed to be installed with a
listed B-vent or UL-103-12
” I.D. Class A, Metal Chimney
System.
2) This Mason-Lite
™ fireplace is intended as a supplemental
heat source only. It is not intended as a primary heat
source.
3) It is the responsibility of the contractor installer (not the
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