Osburn Matrix Installation and Operation Manual
32 ______________________________________________________________________________
Clearances to heat-sensitive materials and floor protection
7.3
FLOOR PROTECTOR
If the wood fire is to be installed on top of a combustible floor, it must be guarded by a non
combustible material as shown on the dotted line area of the above figures. Install a 845 mm (W) x
870 mm (D) floor protection of 6 mm of thickness with thermal conductivity of 0.8 m
2
K/W per 4
mm thick.
FLOOR PROTECTOR*
FROM DOOR OPENING
D
300 mm
E
200 mm**
*Cement fibre sheet or similar. No protection is required if the unit is installed on a non-
combustible floor (ex: concrete).
**The floor protector shall extend not less than 200 mm from each side of any ash removal or
fuel loading openings unless the floor protector forms an abutment with a wall or heat shield at
a lesser distance.