Determining Moisture Condition of External Thermal Insulation Composite System (ETICS) of an Existing Building
Materials,
Год журнала:
2025,
Номер
18(3), С. 614 - 614
Опубликована: Янв. 29, 2025
ETICS
is
a
popular
external
wall
insulation
system,
which
not
without
possible
defects
and
damages.
A
frequent
cause,
direct
or
indirect,
of
damage
to
buildings
the
impact
water
(moisture).
This
article
presents,
among
others,
results
tests
moisture
content
layers,
absorption
capillary
render
by
means
Karsten
tube
method,
numerical
thermo-moisture
simulations,
interlayer
adhesion,
in
sample
residential
buildings.
Mass
testing
substrate
showed
acceptable
levels
(1–4%m)
within
masonry
walls
made
silicate
blocks,
as
well
locally
elevated
(4–8%m)
case
reinforced
concrete
walls.
Moisture
samples
predominantly
dry
condition,
reinforcement
layer
an
level
moisture.
Severe
was
found
taken
ground-floor
zone
at
interface
between
mineral
wool
EPS-P
underneath
layer.
Capillary
helped
classify
silicone
impermeable
surface
hydrophobic
coating.
Tests
facade
plaster
that
value
declared
manufacturer
(<0.5
kg/m2)
mostly
met
(not
zone).
The
simulation
calculations
gave
information
there
no
continuous
increase
condensation
during
assumed
analysis
time
(the
influence
interstitial
on
observed
anomalies
excluded).
carried
out
indicated
occurrence
numerous
errors
implementation
works
affecting
durability
partitions.
Язык: Английский
Hygrothermal behaviour of external thermal insulation composite systems (ETICS) to withstand biological colonisation
Journal of Building Engineering,
Год журнала:
2024,
Номер
86, С. 108932 - 108932
Опубликована: Фев. 27, 2024
ETICS
are
multilayer
building
solutions
applied
to
the
external
walls
provide
an
improved
thermal
performance
envelope.
However,
several
questions
have
been
raised
concerning
durability
of
ETICS,
namely
related
biological
colonisation
phenomena.
Considering
high
susceptibility
bio-colonisation,
following
research
arise:
(i)
what
is
impact
surface
temperature
(ST)
and
relative
humidity
(SRH)
fluctuation
on
mould
growth
in
facades?
(ii)
it
possible
predict
under
fluctuating
conditions
considering
favourable
unfavourable
conditions?
This
study
aims
investigate
influence
hygrothermal
behaviour
five
different
(with
mortars
insulation
boards)
growth.
were
exposed
for
one
year
at
urban
site
Lisbon,
Portugal,
facing
North,
during
which
ST
SRH
monitored.
Concurrently,
numerical
simulations
performed
evaluate
ETICS.
Three
theoretical
indices
applied,
using
numerically
experimentally
obtained
values
as
input
indication
risk
The
results
complemented
validated
by
assessing
water
aesthetic
properties
Index
1
(percentage
time
with
≥80%)
indicated
similar
potential
all
systems.
Both
index
2
=
100%)
3
≥80%
15
°C
≤
30
°C)
a
higher
lime-based
lower
acrylic-based
EPS-based
mortar.
Moreover,
system
highest
rate
after
outdoor
exposure.
Therefore,
suggested
that
agreement
field
observations
thus
can
analysed
Results
also
showed
increase
capillary
absorption
ageing
levels
than
kg/m2
24
h
direct
contact
favour
Thus,
combination
microclimatic
(SRH
<80%;
<
or
>
hydrophobicity
fundamental
avoid
regardless
incorporation
biocide
finishing
coat
composition.
Язык: Английский
Novel Method for Assessing the Protection Lifetime of Building Coatings against Fungi
Coatings,
Год журнала:
2023,
Номер
13(12), С. 2026 - 2026
Опубликована: Ноя. 30, 2023
The
aim
of
this
study
was
to
develop
a
novel
method
for
evaluating
the
service
life
building
coatings.
In
Stage
1,
we
assessed
existing
methods
determining
degree
fungal
overgrowth
on
materials
(visual
assessment,
culture
method,
luminometric
ATP
(adenosine-5’-triphosphate)
measurement,
and
spectrophotometric
assessment
colour
changes).
Laboratory
tests
were
carried
out
19
types
facade
coating
(mineral
silicone
with/without
primer,
paint,
biocides)
7
strains
(moulds
Alternaria
alternata,
Aspergillus
niger,
Aureobasidium
melanogenum,
Cladosporium
cladosporioides,
Fusarium
sp.,
Penicillium
citrinum,
yeast
Rhodotorula
mucilaginosa).
number
fungi
coatings
after
28
days
incubation
1.7
×
105–4.6
105
CFUs
(colony-forming
units)/sample.
content
12
RLUs–30333
RLUs
(relative
light
units).
Colour
change
ΔE
>
5
depending
type
strain.
A
high
or
very
correlation
found
between
concentration
(RLUs),
(ΔE),
results
(CFUs/sample).
2,
new
methodology
protection
lifetime
against
developed,
taking
into
account
environmental
conditions
(impact
ultraviolet
radiation,
precipitation,
presence
organic
matter
surface,
quantitative
qualitative
composition
bioaerosol).
developed
consists
one
research
cycle
conducted
in
laboratory,
corresponding
year
under
natural
conditions.
Preliminary
verification
showed
model
be
compatible
with
long-term
observations
(3
years)
growth
real
could
used
design
biodeterioration
control
strategies
both
cultural
heritage
buildings.
Язык: Английский
Strategies to enhance the resistance of ETICS finishing coats to microbiological growth: A systematic study based on small- and large-scale laboratory tests
Construction and Building Materials,
Год журнала:
2023,
Номер
407, С. 133499 - 133499
Опубликована: Сен. 27, 2023
External
thermal
insulation
composite
systems
(ETICS)
are,
in
general,
more
likely
to
suffer
from
colonisation
by
fungi
and
algae
than
conventional
walls,
regardless
of
the
nature
biocide
technology
used.
This
results
greater
propensity
finishing
coats
applied
on
ETICS
develop
surface
condensation
and,
consequently,
favourable
conditions
for
microbiological
growth.
Most
commonly,
aesthetic
degradation
is
only
implication.
However,
some
severe
cases
can
cause
coating
deterioration
loss
adhesion.
In
this
work
aiming
study
resistance
growth,
different
improvement
strategies
based
thermal,
hydrophobic,
hydrophilic
approaches
were
exploited.
total,
five
acrylic-
silicate-based
formulations
(without
biocide)
prepared
screen
risk
biological
separate
small-scale
laboratory
tests.
Based
obtained,
selected
a
large-scale
wall
tested
bioclimatic
chamber
capable
simulating
conducive
early
development
colonisation.
The
concomitant
influence
biocides
was
also
addressed
at
stage.
showed
that
simple
formulation
performs
better
other
tentative
tested,
exhibiting
higher
algae.
They
suggested
incorporating
glass
microspheres
or
adding
an
external
siloxane
layer
not
its
own
effective
enhancing
growth
formulations.
Язык: Английский
Testing the Durability of the Color of Façade Materials
Lecture notes in networks and systems,
Год журнала:
2024,
Номер
unknown, С. 228 - 240
Опубликована: Янв. 1, 2024
Язык: Английский
Durability and performance of opaque high-reflectance envelope systems: a systematic review
Journal of Building Engineering,
Год журнала:
2024,
Номер
98, С. 111350 - 111350
Опубликована: Ноя. 13, 2024
Язык: Английский
The Effect of Architectural Standards on Energy Consumption in High-Rise Residential Building in Northern Iraq
Sarko Hassan Sleman,
Cemil Atakara
Sustainability,
Год журнала:
2024,
Номер
16(24), С. 11032 - 11032
Опубликована: Дек. 16, 2024
Energy
consumption
is
indeed
a
significant
challenge
in
many
countries.
It
important
to
promote
sustainable
practices
for
energy
and
resource
conservation
future
generations.
Sustainable
may
be
developed
through
architectural
standards.
Therefore,
the
aim
of
this
study
investigate
effects
standards
on
consumption,
especially
high-rise
residential
buildings
located
Northern
Iraq.
To
meet
our
aim,
we
collected
primary
data
survey
five
that
had
different
Smart
PLS-SEM
was
used
analysis
obtain
results
investigation.
Our
findings
show
all
architecture
standards,
such
as
building
envelope
design,
system
control,
shape
massing,
green
roof
facade
ventilation
natural
ventilation,
orientation
solar
gain,
thermal
comfort
insulation,
have
positive
impacts
indicating
selected
not
followed
international
standard
Iraq
high
cost-effective.
Moreover,
window
design
has
negative
impact
low
due
attractive
design.
This
implications
government,
policy
makers,
architects,
engineers,
stakeholders.
Язык: Английский
External Thermal Insulation Composite Systems—Past and Future in a Sustainable Urban Environment
Sustainability,
Год журнала:
2024,
Номер
16(19), С. 8500 - 8500
Опубликована: Сен. 29, 2024
In
recent
decades,
the
sustainable
development
of
planet
has
been
negatively
affected
by
a
number
factors,
including
construction
industry.
The
industry
includes,
among
other
things,
highly
topical
energy
reconstruction
existing
prefabricated
residential
housing,
which
is
implemented
to
improve
their
condition
from
thermal
engineering
and
perspective.
Composite
materials,
known
as
external
insulation
composite
systems
(ETICSs),
have
come
fore,
bringing
undeniable
benefits
society.
After
more
than
20
years
experience,
it
turns
out
that
in
addition
benefits,
ETICSs
also
bring
new
research
challenges
discussion,
are
related
issue
biocorrosion
envelope
ETICSs,
indoor
microclimate.
Based
on
literature
review
case
studies,
we
aim
show
ecologically
friendly
building
materials
require
multidisciplinary
approach.
At
same
time,
want
contribute
discussion
whether
diversity
microorganisms
ETICS
composites
potential
source
health
risks
transport
environment
can
be
ruled
through
natural
ventilation
outdoor
interior.
Язык: Английский
CFD and Statistical Analysis of the Impact of Surface Physical Parameters on the Thermal Resistance of Layered Partitions in ETICS Systems
Energies,
Год журнала:
2024,
Номер
18(1), С. 107 - 107
Опубликована: Дек. 30, 2024
In
the
article,
authors
attempted
to
analyze
impact
of
such
materials
factors
as
surface
emissivity,
roughness,
air
gap
thickness,
and
type
concrete
on
heat
transport
in
microstructure
vertical
multilayer
building
walls.
The
analysis
conducted
using
three-dimensional
modeling
tools
provided
information
about
formation
its
before
after
application
a
reflection-smoothing
coating,
which
has
direct
emissivity
was
reduced
from
0.93
0.29.
Thermal
analyses
demonstrated
that
applying
reflective
thermal
resistance
increased
significantly
gap,
by
approximately
86%,
resulted
28%
improvement
evaluated
walls
samples.
studies
have
shown
increasing
thickness
between
insulation
results
increase.
It
is
feasible
enhance
while
simultaneously
reducing
their
development
holds
significant
potential
for
production
prefabricated
sandwich
panels.
statistical
analyzes
performed
showed
differences
analyzed
configurations.
Язык: Английский