waterproof sill molding
Waterproof sill molding in closed-cell polyurethane protects exterior window undersides against rainwater stains.
Frequently Asked Questions
What is the function of waterproof sill molding?
It sheds rainwater away from window undersides to prevent exterior wall staining.
Is polyurethane sill molding frost resistant?
Yes, its non-porous structure absorbs zero water, preventing freeze-thaw damage.