b'Basic Door InstallationStep 3When securing the pan in theopening, do not puncture withnails as this would be a possiblesource of water instruction. Usea wide headed nail (like a roofingnail) to secure the top of the sidedam to the jamb framing, asshown.Place flexible flashing down eachjamb over the sheathing allowingthe flashing to wrap inward tocover the framing, as well. Thejamb flashing should be longenough to overlap the side damsof the pan.Place flexible flashing across topof opening, overlapping the jambflashing, and wrapping under tocover the header of the roughopening framing. Step 4Place Weather Resistive Barrier(WRB) over face of wall.Cut WRB to opening height andwidth, as shown.Take care when affixing the WRBto the wall not to rip or tear it,especially near the flashing at thejambs and header. This will limitany potential water penetrationthrough the WRB.Window Fitters Guide to Window Installation1112020 AWDI, LLC Do not reproduce without permission'