1 A cavity wall consists of a 100 mm brick exterior with 50 mm cavity and 10 mm gypsum board. The inside temperature is 20 C and Rh of 40%. The...
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1 A cavity wall consists of a 100 mm brick exterior with 50 mm cavity and 10 mm gypsum

board. The inside

temperature is 20° C and Rh of 40%. The outside temperature is -10° C

with Rh of 85%. Calculate the overall vapour flow over one day.

2 Calculate the overall heat flow rate of a 200 mm brick wall with a 15 mm cement coating.

The outside temperature is 10° C and the inside temperature is 22°.

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