Slip while in the window around the sill and house wrap at the edges. Keep to the company’s instructions to plumb and square the window and nail the flanges. Fold the house wrap sides in, staple them towards the area aspect on the trimmers and king studs, then slice off http://window-installation-compa12222.bloguetechno.com/Detailed-Notes-on-window-installation-in-concrete-block-17592476