Owner`s manual

13
Data for floor protection calculation
MAXIMUM
EXTENDED
A
B
(Note 1)
C E
Smaller
than 6 ft
2
*
Bigger or
= to 6 ft
2
*
INCHES 16" 20"
CAN: 18"
USA: 16"
5 1/2" 10 1/2"
MILLIMETRE
S
406
mm
508
mm
CAN: 457 mm
USA: 406 mm
140 mm 267 mm
MINIMUM
EXTENDED
A
B
(Note 1)
C E
Smaller
than 6 ft
2
*
Bigger or
= to 6 ft
2
*
INCHES 16" 20"
CAN: 18"
USA: 16"
3 1/4" 8 1/4"
MILLIMETRE
S
406
mm
508
mm
CAN: 457 mm
USA: 406 mm
83 mm 210 mm
*Refers to masonry fireplace opening.
Thermal characteristics of common floor protection materials*
MATERIAL CONDUCTIVITY
(k) PER INCH
RESISTANCE (R) PER INCH
THICKNESS
Micore
®
160 0.39 2.54
Micore
®
300 0.49 2.06
Durock
®
1.92 0.52
Hardibacker
®
1.95 0.51
Hardibacker
®
500 2.3 0.44
Wonderboard
®
3.23 0.31
Cement mortar 5.00 0.2
Common brick 5.00 0.2
Face brick 9.00 0.11
Marble 14.3 – 20.00 0.07 – 0.05
Ceramic tile 12.5 0.008
Concrete 1.050 0.950
Mineral wool insulation 0.320 3.120
Limestone 6.5 0.153
Ceramic board (Fibremax) 0.450 2.2
Horizontal still air** (1/8") 0.135 0,920**
* Information as reported by manufacturers and other resources
** For a 1/8" thickness. You cannot «stack» horizontal still air to accumulate R-values; you must separate each later of horizontal still
air with another noncombustible material.