24
Fig. 21 – Installation on Non-combustible Floor
.
*
Fascia with Ash Lip &
**
Fascia without Ash Lip
Fig. 22 – Installation on Combustible Floor
.
*
Fascia with Ash Lip &
**
Fascia without Ash Lip
Fig. 23 – Installation at Elevation
Notes:
1. Depth of tiles or non-combustible zone for installation on the non-
combustible floor should be a minimum 900mm wide and *362mm
in case of fascia with ash lip and **422mm in case of fascia without
ash lip, from the face of the front cladding.
2. Depth of an Insulating Floor Protector for installation on the
combustible floor should be minimum 900mm wide and *362mm
in case of fascia with ash lip and **422mm in case of fascia without
ash lip, from the face of the front cladding and minimum 34mm of
thickness.
3. Depth of Ash Floor Protector for installation at an elevated height
above 300mm should be minimum 362mm for both fascias with or
without ash lip, from the face of the front cladding.
4. The recommended construction of an ash floor protector is non-
combustible material like:
- Ceramic tiles or slate with grouted joints over a hard base like
hardy’s tile and slate underlay.
- 4mm thick steel plate
- Marble or stone of reasonable thickness laid over the combustible
floor.
5. The recommended construction of an Insulating floor protector is
8mm ceramic tiles with grouted joints over 26mm thick non-
combustible Calcium Silicate board like Promatect, Eterpan LD, or
Supalux.
6. Heat-resistant cladding on the front wall must be non-combustible
Calcium Silicate board like Promatect H, Eterpan, or Supalux.
7. The unrestricted vents must have an open free area of 13,600mm
2
.
The vents through an external wall must be weatherproof. The
vents must be covered with an appropriate mesh or similar to
prevent vermin and debris from entering or restricting the air vents
8. The vents can be through an external wall or can be at the rear,
side, or bottom of the built-in enclosure. Also, they can be divided
into two vents with an equivalent open area of 13,600 mm
2
9. The vents with grill or mesh should maintain the minimum open
vent area of 13,600 mm
2
. A sample vent with a mesh having 50%
open area is shown
below:
Summary of Contents for RANGITATA ULEB
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