ACTIS Construction Details
The thermal model junctions quantify the thermal performance of each specific thermal bridge, including thermal transmittance values ψ (psi-values) and temperature factors. The set of thermal model junctions listed below can be applied in energy assessments (e.g. SAP calculations):
E3TFHY01 Window Sill
Psi Value = 0.075 W/mK
Build Up
Brick Outer Leaf (λ = 0.77W/mK)
50mm Air Cavity, vented
BOOST’R HYBRID (R = 1.35 m2K/W)
OSB
HYBRIS between 140mm Studs (λ = 0.033 W/mK)
Low-e Air Cavity
Vapour Control Layer
Service Void provided by Battens
Plasterboard
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