Specifications
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 










