ISO BLOCO One Long term joint sealing performance test

ISO-BLOCO One is a multi-talent tape in sealing joints. It combines
all the demands of the EnEV- (energy saving regulations) and
RAL-installation guidelines in one sealing product. Hard to believe
but true. Where three products were necessary, now one is sufficient,
because ISO-BLOCO One has ingenious product features.
The "all in one tape" operates on the 3-layer principle. The external
area provides a superior driving rain resistance; the middle range
provides thermal and acoustic insulation and the internal area
absolute air-tightness, thus saving lots of time. In only one step the
tape is stuck to the window frame and done! An easier, more reliable,
time-saving professional window sealant is hard to imagine.


An energy saving tape

ISO-BLOCO One makes it possible to save even more energy in the
future. The future orientated window connecting tape is equipped with
a special foil for the sealing on the inner flank. This special foil has an
a-value of zero, meaning 100 percent air-tightness on the internal
joint sealing range. Thus making ISO-BLOCO One an unprecedented
absolute sealing tape and even suitable for the higher sealing
requirements on passive houses. Uncontrolled heat loss and drafts
through connection joints are prevented by the hermetic separation
of internal and external climates. This is a winning aspect for
Buildings Energy Pass, good results with the Blower Door / Air
Pressure Test and has a positive effect on heating costs.


Energy saving potential

ISO-BLOCO One contributes significantly to reducing building
convection heat loss. With an a-value of zero an almost 100 percent
airtight inner seal can be achieved. Resulting in far less escaped air
through the building joints compared with conventional joint sealing
tapes which could have an a-value of 0.1. Lower heating requirements
are the obvious results, clearly reflecting on the heating costs.


A health beneficial tape

If moisture penetration or joint condensation does not escape to the
outside, moisture damage and mildew infestations occur. Forewarned is
forearmed! ISO-BLOCO One has an optimal vapour diffusion, (sd-value,)
gradient, within the joint sealing area, corresponding to that of the RAL-
Quality windows and doors recommended sealing principle "inside tighter
than outside". The sd-value gradient of a window sealing joint should be
at least 10: 1 from the inside to the outside. ISO-BLOCO One optimises
the drying effect of the joints with an impressive vapour diffusion gradient
of 50: 1, providing a reliable moisture transmission to the outside.

A tape for stormy weathers

In times of climate changes we must adjust to the new challenges in
building sealing. In the future we will be confronted with more frequent
and stronger storms, accompanied with violent rain. New solutions are
required in the sealing technology; above all the window and door areas
in buildings need to be better protected against driving rain in the future.
According to the wind zone maps, of the middle European weather
offices, wind velocities of more than 140 km/h will be reached more
frequently. This corresponds to a pressure of approx. 900 Pa.
ISO-BLOCO One has over 1.000 Pa resistance to driving rain, while still
providing a 500% Movement Accommodation Factor, standing up to the
strongest rainfall and storm gusts. With this extraordinary efficiency
ISO-BLOCO One exceeds conventional window connection tapes to
around more than 50% sealing protection performance against driving
rain ISO-BLOCO One possesses an extremely high expansion capability
500% MAF. This is important to compensate for building movement
and joint irregularities.

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