Originally Posted by kathdavis
I would wash it first, because you don't know how clean the water that is on the fabric is. The fabric can have a slight yellowish stain and if you dry it, you may set the stain.
This is exactly what I was thinking. My leak (yesterday) came through the ceiling, and it doesn't look it right away, but it does stain things a brownish color. I wouldn't take a chance - wash them and be sure!! Fabric is too expensive to take a chance on.