1) Moisture diffusion is when moisture-laden air infiltrates between different building materials. True or false? 2)...

1) Moisture diffusion is when moisture-laden air infiltrates between different building materials. True or false?

2) Tyvek (or any house wrap) is generally considered to be a:

	a.	vapor retarder
	b.	air retarder
	c.	sheathing
	d.	siding

3) Moisture can enter a building through which of the following?

	a.	air infiltration
	b.	capillary attraction
	c.	diffusion
	d.	leaks
	e.	all of the above
	f.	a and d only

4) A "smart" vapor retarder (barrier) changes permeability with humidity. True or false?

5) In heated buildings, the vapor flow is generally

		from the inside to the outside of the envelope.
		from the outside to the inside of the envelope.

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Ally Wells answered 2 years ago

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