A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Heat losses from suspended timber floors
Heat losses through suspended timber floors and principal heat flow paths are identified. The performance of common insulates placed within and beneath the timber floors is measured in a test rig and the results reported. Special emphasis is placed on the ability to retrofit existing floors. A simple insulated radiative barrier placed under the joists is found to be as effective as 30 mm of insulation but is easier to install in existing dwellings. The reduction in heat loss using this method is 60-80%. A simple resistance model is used to predict heat loss accurately for low ventilation rates in the void below the floor. Les auteurs definissent les deperditions thermiques par les planchers suspendus en bois ainsi que les principaux cheminements des flux thermiques. On a mesure sur un montage d'essai les performances de differents systemes d'isolation poses a l'interieur et sous des planchers en bois. Les resultats obtenus ont ete enregistres. L'accent a ete mis sur les possibilites d'amelioration de planchers existants par rattrapage. Il en ressort qu'un simple obstacle radiatif isole pose sous les solives est aussi efficace qu'une isolation de 30 mm mais est plus facile a installer dans des logements existants. Cette methode permet de reduire de 60 a 80% les deperditions thermiques. Une simple resistance sert a prevoir avec precision les deperditions thermiques. pour de faibles taux de renouvellement d'air dans le vide menage sous le plancher.
Heat losses from suspended timber floors
Heat losses through suspended timber floors and principal heat flow paths are identified. The performance of common insulates placed within and beneath the timber floors is measured in a test rig and the results reported. Special emphasis is placed on the ability to retrofit existing floors. A simple insulated radiative barrier placed under the joists is found to be as effective as 30 mm of insulation but is easier to install in existing dwellings. The reduction in heat loss using this method is 60-80%. A simple resistance model is used to predict heat loss accurately for low ventilation rates in the void below the floor. Les auteurs definissent les deperditions thermiques par les planchers suspendus en bois ainsi que les principaux cheminements des flux thermiques. On a mesure sur un montage d'essai les performances de differents systemes d'isolation poses a l'interieur et sous des planchers en bois. Les resultats obtenus ont ete enregistres. L'accent a ete mis sur les possibilites d'amelioration de planchers existants par rattrapage. Il en ressort qu'un simple obstacle radiatif isole pose sous les solives est aussi efficace qu'une isolation de 30 mm mais est plus facile a installer dans des logements existants. Cette methode permet de reduire de 60 a 80% les deperditions thermiques. Une simple resistance sert a prevoir avec precision les deperditions thermiques. pour de faibles taux de renouvellement d'air dans le vide menage sous le plancher.
Heat losses from suspended timber floors
Harris, D. J. (author) / Dudek, S. J. -M. (author)
Building Research & Information ; 25 ; 226-233
1997-07-01
8 pages
Article (Journal)
Electronic Resource
English
Suspended Timber Floors , Insulation , Conduction , Radiation , Retrofit , Heat Loss , Housing , Warmth
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