8
TYPE OF PROTECTION
Reducing Clearances
With Shielding
Sides and
Rear/Back
Top
Sheet metal, a minimum of 0,024" (0,61mm)
spaced out at least 1" (25mm) by non-combustible
spacers
(see graphic 2).
67%
50%
Ceramic tiles, or an equivalent non-combustible
material on fire-proof supports spaced out at least
1" (25 mm) by non-combustible spacers
(see
graphic 3).
50%
33%
Ceramic tiles, or an equivalent non-combustible
material on fire-proof supports with a minimum of
0,024" (0,61 mm) sheet metal backing spaced out
at least 1" (25 mm) by non-combustible spacers
(see graphic 4)
67%
50%
Brick spaced out at least 1" (25 mm) by non-
combustible spacers
(see graphic 5)
50%
N/A
Brick with a minimum of 0,024" (0,61 mm) sheet
metal backing spaced out at least 1" (25 mm) by
non-combustible spacers
(see graphic 6).
67%
N/A
