MASONRY CLEARANCE REDUCTION
COMBUSTIBLE
WALL
(REF
.•
NFPA
211
CODE)
Skip every other brick bottom
and
__
~~~~~~
top
for
ventilation
A strip of heavy
gage
steel may
be
1
used
for
support------------~·
../'!(
1"
Minimum air space between masonry
and combustible wall.
4"
nominal
~:jJ_---"''"4rll:;::;---
Corrugated metal wall ties
brick wall
::':---R:ll'I::'~~
~
Screw anchor (or nail)
....
~"-
Clearance Reduc1lon
MASONRY
WALL
TIE
1"
Non-<:ombusllble spacer such
as
stacked washers,
small diameter pipe, tubing, or electrical conduit.
Masonry walls may
be
attached to combustible walls using wall ties.
DO
NOT
place masonry wall ties directly behind appliance or connection.
(REF
.•
NFPA
211
CODE)
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