Interviewer instructions
<span class="em">Question 4</span>. What is the main material of the roof of this dwelling?
<br />By observation, fill in the correct answer for the main material of the roof. If there is more than one material, record the main one.
<br />Example: When you arrive to a household, you observe that the roof has two materials of equal proportion, one part made out of concrete and the other made out of tin, fill in the bubble with code 1 "concrete".