Osburn OB01111 - Manual (Page 12)

12
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