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IGNIS-PROTECT
Use of 90° Ignis-Protect System in accordance with
BS EN 15287-1 Acceptable alternative methods of connection methods
Where a horizontal connecting flue of more than 150mm is required to connect a solid fuel fired appliance to a chimney,
an installation method as per the examples below may be used provided the following criteria is met:-
a) The maximum length of horizontal connecting flue pipe does not exceed 450mm;
b) A Defra exempt appliance or an appliance, which is limited to burning authorised smokeless fuel only, is installed;
c) A calculation according to BS EN13384-1 has indicated safe operation of the proposed configuration, and the results
of the calculation are left with the householder along with the appliance installation instructions;
d) The appliance manufacturer agrees in writing to the proposed configuration;
e) The chimney manufacturer agrees in writing to the proposed configuration;
f) The total length of single wall connecting flue pipe is not more than 1.5m;
g) The appropriate distances to combustible materials from both the appliance and the connecting flue pipe are maintained.
REAR OUTLET TWIN WALL CONNECTING FLUE PIPE
INTO EXTERNAL MASONRY CHIMNEY THROUGH A WALL
Measured from back
of appliance to outside
surface of chimney
Measured from back
of appliance to liner
of masonry chimney
Twin Wall
Chimney System
300
Wall Support
Tee Cap for
Debris Collection/
Cleaning Access
Trim Collar
Wall
Wall Band
450mm MAX
300
450mm MAX
External Masonry
Chimney System
Inspection/
Cleanout Door
Wall
Trim Collar
Debris
Collector
Wall Support
Measured from back
of connecting flue
pipe to outside
surface of chimney
Tee Cap for
Debris Collection/
Cleaning Access
Twin Wall
Chimney System
Wall
Inspection Bend
Trim Collar
600 min
225
For minimum distance for
this configuration check
manufacturers distance
to combustibles
No further
bends allowed
on this
configuration
Wall Band
450mm MAX
Measured from back
of connecting flue
pipe to outside
surface of chimney
Tee Cap for
Debris Collection/
Cleaning Access
Twin Wall
Chimney System
Wall
Inspection Bend
Trim Collar
225
Wall Support
Wall Band
450mm MAX
600 min
For minimum distance for
this configuration check
manufacturers distance
to combustibles
No further
bends allowed
on this
configuration
For minimum distance for
this configuration check
manufacturers distance
to combustibles
For minimum distance for
this configuration check
manufacturers distance
to combustibles
Designed specifically for
Air Tight, Energy Efficient
and Timber Framed Buildings
ISOKERN DM WITH IGNIS PROTECT
ON TRADITIONAL TIMBER FRAME WALL
Appliance
225
1020
620
183
Min 600
150
Heat proof board
Prima Smooth flue pipe
with access door
for sweeping
Timber frame
Ignis Protect
Suitable cavity
wall sleeve
Fibre rope sealant
2 x CT0001 - Casing Ties
every 1.5 metres
S803636 - DM36 Outer casings
S801525 - 150mm I/D Flue Blocks
S803645 - 45˚ Access Kit
(4 Parts)
All joints sealed with Lip Glue
S801516 - 150mm I/D Access Flue Block
(2 Parts)
S803641 - Casing with Soot Door
100mm sand/cement finish
Leca mixed 10:1 with OPC
S801501 - 150mm I/D Starter Flue
Foundations to reach a frost free depth
and comply with building regulations
