QOD June 30-06

[clawrenson (Claude Lawrenson)]

I will be passing the torch back to Gerry - so y’all have a good Holiday Week-end. This one is about air/moisture movement.

[bkelly2 (Brian Kelly, AZ Cert. # 60234)]

@clawrenson

I will be passing the torch back to Gerry - so y’all have a good Holiday Week-end. This one is about air/moisture movement.

Well done Claude, thanx.

[dandersen (David Andersen, TN HI# 40)]

Thanks Claude,

Wow!

Where does the moisture come from?

Insulation is not a vapor retardant , the attached vapor barrier is though!

[clawrenson (Claude Lawrenson)]

Correct answer “unsealed ceiling openings”