We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Exterior caulk is a thick, viscous solution that comes in a long tube. Applied ...

Weather stripping is useful for sealing around the moving components of a window, such as beneath a moving sash. Whereas ...

Close and lock the window. (Locking ensures a tighter seal.) Clean and caulk around the exterior of the window, checking for small gaps where the frame meets the wall. Whether you are a DIY expert ...