Rain falls across Western Washington for months at a stretch, and a lot of what it does to a house happens where nobody’s looking.
These are the moisture problems Washington homeowners often discover too late.
Note: This is general information, not legal advice. Building and ventilation code requirements are subject to change, so confirm the current requirements with your local building department.
1. Moss-Covered Roofs
Washington’s shady, wet winters are close to perfect moss-growing conditions, and many homeowners treat the green carpet spreading across their roof as a look rather than a warning…