Page 38
Installation and Operation Manual - 2000
ENGLISH
TYPE OF SHIELD
CLEARANCES MAY BE REDUCED BY
THESE PERCENTAGES
SIDES AND REAR TOP (CEILING)
CAN /USA
(%)
USA
MIN.
CAN /USA
(%)
USA
MIN.
Sheet metal, a minimum of 24 gauge (0.61 mm) in
thickness , spaced out at least 25 mm (1 in)* by
non-combustible spacers
67 12 in 50 18 in
Ceramic tiles, or equivalent non-combustible
material, on non-combustible board spaced
out at least 25 mm (1 in)* by non-combustible
spacers
50 18 in 33 24 in
Ceramic tiles, or equivalent non-combustible
material, on non-combustible board, with a
minimum of 24 gauge (0.61 mm) sheet metal
backing spaced out at least 25 mm (1 in)* by
non-combustible spacers
67 12 in 50 24 in
Brick, spaced out at least 25 mm (1 in)* by
non-combustible spacers
50 18 in N/A N/A
Brick, with a minimum of 24 gauge (0.61 mm)
sheet metal backing, spaced out at least 25
mm (1 in)* by non-combustible spacers
67 12 in N/A N/A