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Adapter in flammable floor structure
Adapter, semi-insulated to fully insulated module
If a semi-insulated module ends up fully or partially in
the floor structure, it must be provided with additional
insulation with a 30 mm thick, mesh-reinforced mat that
comes with the adapter.
Note that the semi-insulated module and the narrower
part of the adapter should protrude a maximum of 300
mm into the floor structure (see diagram).
Remember that the safety distance to flammable materi-
al must always be observed.
The diffusion barrier must seal around the entire
chimney; slits must
not
be cut in the hole in the mem-
brane. Can be installed from above, down against the
existing moisture barrier, or from beneath up against the
moisture barrier.
Important: Make sure that it is completely sealed
against the moisture barrier.
Eksisterende
fuktsperre/
plastfolien.
Diffusjonssperre
Nettarmert matte
Steinullisolasjon
Innertaksring
Through-connections
Fully insulated module in flammable floor structure
Fully insulated chimney passes through a flammable
floor structure, up to 300 mm insulation with required
distance without accessories. Rock wool insulation (sup-
plied with ceiling ring) is then used next to the ceiling.
Where the floor structure’s insulation is up to 400 mm
thick (not loose wool), rock wool insulation made of a
mesh-reinforced mat weighing 105 kg/m3 (t=50 mm) can
be used adjacent to the chimney (addition) for extra rock
wool insulation
The rock wool insulation that comes with the ceiling ring
is not used in this case.
If the floor structure’s insulation (not loose wool) is be-
tween 400-800 mm thick, the pipe can be installed with
rock wool insulation with a mesh-reinforced mat of type
140 kg/m3 (t=100 mm) adjacent to the chimney for extra
insulation. The rock wool insulation that comes with the
ceiling ring is not used in this case.
The diffusion barrier must seal around the entire chim-
ney; slits must
not
be cut in the hole in the membrane.
Can be installed from above, down against the existing
moisture barrier, or from beneath up against the mois-
ture barrier.
Important: Make sure that it is completely sealed
against the moisture barrier.
NVI 2000 - THROUGH-CONNECTIONS
Eksisterende
fuktsperre/
plastfolien.
Diffusjonssperre
Innertaksring
Dekkring
Steinullisolasjon
Mesh-reinforced mat
Rock wool insulation
Diffusion barrier
Diffusion barrier
Cover ring
Ceiling ring
Ceiling ring
Rock wool
insulation
Existing moisture
barrier/plastic
film
Existing moisture
barrier/plastic
film