b'Flashing (Method B)Step 1:If WRB has been appliedto the wall prior tobeginning of the window Step 3:installation, cut the Using adhesive-backedhouse wrap in such a flashing material. Placeway to be able to foldflashing around eachit back, and tape itjamb, overlapping theout of the way. Using sill flashing.Adhesive-backedFlashing Material place Place adhesive-backedflashing over rough sill flashing across theextending 5 inches header extending updown the front, and 4 and over the jambinches up each side. flashing.Roll it secure.Be careful not to tear orbuckle the membrane.Sill PansIf youre not using a pre-formed sill pan, you can createthe effect by installing a 1 x 2 to create a backdam beforeapplying the flashing. If you choose a preformed sill pan, do not nail throughthe materials as it will create a water path. Mount it to thejamb with nails sheetrock nails so the head of the nailsecures the pan without needing to puncture it, as shown.You can level the sill under the pan with plastic shims.Step 2:Assemble or fabricate a Step 4:Sill Pan to fit between Place a bead the jambs and set on of caulk on thetop of the sill. We will flashing or theillustrate a fabricated backside of thepan, but the steps apply mounting flange. to a pre-formed pan.Next set the Do not anchor withwindow into thefasteners through the opening. Using apan to avoid a leak framing square, topath. plumb and square Fix the sill pan to each the window jamb using the head of carefully. a roofing nail, as shown If you need to shimbelow. Seal with caulk before anchoring(Step 5) use plastic, flat, stackable shims.Never use taperedwood shims.Window Fitters Guide to Window Installation98 2020 AWDI, LLC Do not reproduce without permission'