General Maintenance — Support Articles

Learn 3 proven methods to test your weatherstrip installation: the paper test, chalk test & water test. Verify your door, trunk & window seals are watertight before the next rainstorm. Professional body shop techniques for DIY restorers.

Keep your rubber weatherstripping flexible & leak-free for decades. Learn how to clean, condition & protect door seals from UV damage and dry rot. Includes maintenance schedule, product recommendations & warning signs for replacement.