Author Question: Where should the vapor barrier be placed when insulating walls? A) towards the outer wall B) ... (Read 59 times)

nevelica · **on:** Jul 26, 2018

Where should the vapor barrier be placed when insulating walls?

A) towards the outer wall B) about halfway between the inner and outer wall
C) outer walls should not use a vapor barrier D) towards the inside wall

Question 2

Fire dampers are typically required

A) in the chimney of all residential fireplaces
B) in all residential buildings
C) in all buildings that have ductwork
D) in all commercial buildings with ductwork passing through firewalls