Important!
If pop-ups are blocked for the website, please allow them in your browser and restart the course. Continue the course from the new tab, and do not close this tab until you have completed the course.
Even if you close that window, water can still get in. Take this test to see if you can identify the issues that allow water to enter into a home through the window and surrounding area.
For reference, here is a relevant segment of the Carson Dunlop Home Reference Book: