Window screen repair is another component that will need attention throughout the life of the windows. Window screens keep out bugs and pests, allowing free-flowing air to travel through the window.

Screenmend makes a screen repair patch that works like a heat activated sticker. Just cut the size you need to cover the tear, while leaving about a 1/2-inch around the edge.

Tired of your cat tearing up your window screen? In Part 1 of this DIY guide, learn how to remove and prep for replacing a damaged screen - cat-proofing your home one step at a time. Come back ...

In Part 2 of our cat-proofing guide, watch how to install and secure a brand-new screen that stands up to curious claws. Finish the fix and keep your windows cat-safe!