Windows must be removed to install sill pan flashing and properly integrate the drainage plane.

•Remove existing window

•Prep jambs

•Install DuPont Flex Wrap in sill and up each side at least 6 inches

•Caulk interior bottom corners of sills

•Re-Install window

•Install 4" DuPont flashing tape around side flanges, then top flange

•Install head flashing

•Install 5/4" Azek around perimeter

•Install head flashing