Table 1

Materials, thickness and U-value of building components in case study school building.

Components Materials Thickness (cm) U-Value (w/m2 K)
Internal walls Gypsum plastering
Brick block
Gypsum plastering
2.5
10
2.5
1.831
External walls Cement and render
Brick block
Gypsum plastering
3
30
2.5
1.614
Internal floor Slate tiles
Mortar
Light weight cast concrete & Clay tile
Gypsum plastering
2
2.5
25
1
1.342
Roof Asphalt
Mortar
Felt/Bitumen layers
Screed
Thermal insulation (Glass wool)
Cast concrete
Clay Tile
Gypsum plastering and render
3
2
5
10
5
5
25
1
0.527
External windows Clear single glaze 0.6 5.778

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