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Måling på alternative isoleringsmaterialer - Statens ...

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Indhold<br />

Forord ..............................................................................................................5<br />

Sammenfatning og konklusion ........................................................................6<br />

Konklusion ..................................................................................................6<br />

Fugtophobning .......................................................................................6<br />

Isoleringsarbejdets udførelse.................................................................6<br />

Velegnede <strong>isoleringsmaterialer</strong>..............................................................7<br />

Indledning........................................................................................................8<br />

Baggrund ....................................................................................................8<br />

Formål.........................................................................................................8<br />

Metode........................................................................................................8<br />

Teori............................................................................................................9<br />

Forsøg vedrørende fugtophobning................................................................10<br />

Isoleringsmateriale....................................................................................10<br />

Byggeriet Borup Seniorby.........................................................................10<br />

Konstruktionernes opbygning ...................................................................13<br />

Påvirkninger..............................................................................................15<br />

Registrerede <strong>på</strong>virkninger....................................................................15<br />

Undersøgelsesmetode .........................................................................17<br />

Fugtmåler .............................................................................................17<br />

Dataopsamling .....................................................................................17<br />

Forsøgsperiode ....................................................................................18<br />

Resultater vedrørende fugtophobning ......................................................18<br />

Diskussion.................................................................................................22<br />

Klima<strong>på</strong>virkning....................................................................................22<br />

Usikkerhed ...........................................................................................22<br />

Kriterier.................................................................................................22<br />

Fugtophobning i <strong>isoleringsmaterialer</strong> ...................................................22<br />

Er isoleringsarbejdet udført korrekt? .............................................................23<br />

Termografering .........................................................................................23<br />

<strong>Måling</strong>er................................................................................................23<br />

Resultat af termografering ........................................................................23<br />

Bemærkninger til termografering ..............................................................25<br />

Kategori A: Kolde overgange mellem lejlighedsskel og loft .................25<br />

Kategori B: Kolde hjørner mellem lejlighedsskel og facade.................26<br />

Kategori C: Kolde fodpaneler langs facade .........................................27<br />

Kategori D: Kolde områder ved spær, lagt an <strong>på</strong> bagvæg af<br />

letklinkerbeton ......................................................................................28<br />

Kategori E: Kolde områder i den isolerede facade ..............................29<br />

Kategori F: Kolde områder i den isolerede facade langs loftet............30<br />

Kategori G: Kolde hjørner ved lejlighedsskel/gavl, loft og facade........33<br />

Diskussion.................................................................................................34<br />

Årsag til lokalt forekommende temperaturforskelle..............................34<br />

Beregning af hulrum.............................................................................35<br />

Varmestrømsberegning........................................................................35<br />

Beregning af hulrum i facade isoleret med Ekofiber ............................37<br />

Temperatur ved overgangen mellem facade og loft.................................38<br />

Beregning af hulrum langs loft i facaden isoleret med Ekofiber ...............39<br />

Beregnede hulrum ....................................................................................40<br />

Manglende isolering .............................................................................41<br />

Litteratur ........................................................................................................42<br />

Summary .......................................................................................................43<br />

Bilag A Temperatur og fugt i facade- og loftkonstruktioner...........................45<br />

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