Seal On Windows !!install!! - Flex

Sealing the glass panes, the sliding tracks, weatherstripping, or window AC units.

Flex Seal is sticky and rubbery. If you spray it on the window tracks, the sill, or the weatherstripping that allows the window to slide up and down, your window will glue shut. You will not be able to open it for ventilation or emergency egress. flex seal on windows

The short answer is: Yes, but only in very specific scenarios. Here is everything you need to know before you spray. Flex Seal is a rubberized coating. It is excellent at filling micro-cracks and sealing surface-level moisture . Here are two situations where using Flex Seal makes sense: You will not be able to open it

So, when you notice a drafty window or a small leak around the frame during a rainstorm, it’s tempting to reach for that aerosol can. But Flex Seal is a rubberized coating

If a storm is bearing down and you have a cracked pane or a sudden gap in the sealant, Flex Seal is a fantastic "band-aid." It will stop water from pouring in instantly, buying you time until a professional glazier can fix the glass properly.