4 Brick/block wall (insulated to 1985 regs) 0.35 0.60 0.95 1.0 5 Uninsulated lightweight wall (metal-clad) 2.75 5.45 0.22 10.30 Table 4. Thermal characteristics of external roof types. External roof construction typeU value (W/m2 K)YIE (W/m2 K)faϕ (h) 1 25 mm stone chippings on...
Finally, the internal insulation also reduces the internal space of the building. Structures that can also adversely affect the energy balance of the building and whose additional insulation is necessary from the point of view of energy savings are ceiling structures above the unheated basement space...