Stuv 21 - Page 5

3. CLEARANCES - IMPORTANT
STU
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V 21 | MODEL SPECIFICATIONS
PAGE 5
When installed on a combustible floor surface the Stûv 21 firebox must be positioned on top of an 18mm cement
sheet floor plate and raised to a minimum height of 150mm using the appliance adjustable feet.
When installed on a non-combustible floor the fireplace can be installed directly onto the floor and adjusted in
height using the adjustable feet.
In a cavity built out of bricks, block work or 75mm ACC block the appliance must be installed with a minimum
gap of 50mm at the back and on the sides.
In a cavity built out of silicate boards the appliance must be installed with a minimum gap of 100mm at the back
and on the sides.
Only non-combustible material (silicate board, Promatect H 12mm or brickwork) shall be used on the front wall
of the cavity.
All internal framework above the appliance shall be made of non-combustible material.
The cavity above the appliance must be capped and must have a minimum of 2500cm2 of venting.
The appliance must be fitted with the standard triple skin flue.
To conform to the requirement of the joint AS/NZS 2918:2001 the appliance must be bolted down to comply
with the seismic restrain provisions.