Summary: and stop with a utility knife before prying off the stop Pull the nails through the backside of the stop with a nail nipper or pliers Complete the window prep by following Photos 2 and 3 2 Slip the new window insert into place to make sure it fits Then remove it and lay a bead of polyurethane caulk along the inside of the blind stop and the backside of the window stool
Image Dimensions: 390 x 443
Image originally found here.