In fact, many modern window installation steps are designed to allow ... It’s a good idea to slope the sill in the rough ...

To make room for the installation, we dug down closer ... First, raise the window a 1/2-inch off the sill and level it with a ...

They’re also a smart choice if you plan to install a window air conditioner, though many replacement types have a fairly high trim on the sill that may require significant shimming to stabilize ...