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R-Value
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Wall
Roof
Glass
Total R-Value
—
m²·K/W
U-Value
—
W/m²·K
0 layers
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Wall layers
Top = outside → bottom = inside
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Include surface resistance (Rsi + Rso)
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Pick a manufactured glass unit
Generic materials
Market products
k = thermal conductivity (W/m·K) · Layer R = thickness(m) ÷ k · Click a material to add it to the active stack.
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Target R-Value
shows products within ±0.5
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