Working towardinternal insulatinternal insulatoverview of the

Endrik Arumä

ds safer solutions for tion in cold climate –tion in cold climate e ongoing research

ägi, Paul Klõšeikog ,

Table of contentTable of content

Why internal insulatioWhy internal insulatioPrevious studyCurrent studyCurrent studyObjectives of this studD i ti f th tDescription of the tesNext steps

Chair of Building Physics and Arc

tsts

onon

dyt tt setup

chitecture, Tallinn University of Technology

Internal thermal insInternal thermal ins

Energy performance

requirementsNew buildings & Major renovation

Milieu valuableMilieu valuablebuildings

P t t d b ildiProtected buildings

Heritage protection

no energy requirements

Chair of Building Physics and Arc

sulationsulation

chitecture, Tallinn University of Technology

Internal thermal insInternal thermal ins

Energy performance

requirementsNew buildings & Major renovation

Milieu valuableMilieu valuablebuildings

P t t d b ildiProtected buildings

Heritage protection

no energy requirements

Chair of Building Physics and Arc

sulation

Milieu valuable buildings:

sulation

Milieu valuable buildings:need to lower the living costs for inhabitantsneed to preserv the cultural heritagemore strict design demands

outlook of the building can not be changed (milieu valuable areas)changed (milieu valuable areas)pressure to use internal thermal insulation

risky solution in cold climate

chitecture, Tallinn University of Technology

P i t dPrevious studyStudied wooden apartme

built in the beginning original external wall:

Studied test walls3 different insulation

i l lmineral woolcellulosereed board

6 different wall solutiowith and without air/v(bitumenpaper)(bitumenpaper)finishing

gypsum board

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gypsum boardrender

ent buildingof 20th century

: 140 mm log

mat.

ons: vapour barrier

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P i t dPrevious studyRisk of mould growthin all the cases the T andlevel inside the wall exceth t d RH ditithe t and RH conditions favouring initiation of mogrowth g

mineral wool 88% of timecellulose 84% of the reed board 93% of th

Chair of Building Physics and Arc

h:d RH eeded

ould

the

timehe time

chitecture, Tallinn University of Technology

Current study: hCurrent study: h

Built: 1938-1939 (brickBuilt: 1938 1939 (brick

Monument since 1998Current use:Current use:

Centre for work exerciHostelHostelGymnasium

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historic school buildinghistoric school building

building)building)

8

se

chitecture, Tallinn University of Technology

Objectives of thiObjectives of thi

Analysis of the hygrothery yginsulated exterior wallComparison of four differhygrothermal performanchygrothermal performanc

Calcium Silicate (i.e. CalsitAutoclaved aerated concreP l th f b dPolyurethane foam board wPolyurethane foam board w(i.e. Remmers iQ-Therm)

Computational analysis othe insulated exterior walsolutions to different climFinding suitable solutionssafer (indicators can be: growth frost resistance o

Chair of Building Physics and Arc

growth, frost resistance othan current solutions in

is studyis study

rmal performance of an internally p y

rent insulation materials in terms of ce:ce:therm Klimaplatte)ete (i.e. Ytong Multipor)

ith b d (i SPU A l i)with gypsum board (i.e. SPU Anselmi) with capillary active channels

of the hygrothermal performance of lls to clarify the suitability of various atic loads.s for interior insulation which are condensation of water vapour, mold

of brick etc ) and easier to implement

chitecture, Tallinn University of Technology

of brick, etc.) and easier to implement Estonian climate.

Description of thDescription of th

.

Chair of Building Physics and Arc

he test setuphe test setup

chitecture, Tallinn University of Technology

Description of thDescription of th

Chair of Building Physics and Arc

he test setuphe test setup

chitecture, Tallinn University of Technology 1

Description of tp

Chair of Building Physics and Arc

he test setupp

chitecture, Tallinn University of Technology 1

Description of thDescription of th

.

Chair of Building Physics and Arc

he test setuphe test setup

chitecture, Tallinn University of Technology 1

Next stepsNext steps

Analysis of the measuAnalysis of the measu

Calibration of the comCalibration of the com

A l i f 2D d 3DAnalysis of 2D and 3D

Analysis of the impacAssessment of possib

t i l timaterial properties, c

Chair of Building Physics and Arc

Analysis of energy pe

ured dataured data

mputational modelmputational model

D j i t /d t ilD joints/details

ct of different climatic loads ble risks caused by changes to li t tlimate etc

chitecture, Tallinn University of Technology 1

erformance of different solutions