Install and Flash an Arch Top Window with Field Applied Flanges Using FlexWrap™ NF & StraightFlash™
How to install and flash arch top window using field applied flanges
I’m going to install and flash an arch top window with field applied flanges. With field applied flanges there is often an open corner and to deal with that situation I’ll take a piece of FlexWrap™, fold it back and pull off half of the release paper and adhere it to the head and the jamb of the window. Pull off the second piece of release
paper. Pull this down over the back side of the applied flanges to seal that open corner. First thing we’re going to do is cut the opening out to install and flash the window. With an arch top window the first cut is a level head cut, followed by the typical I-cut. Cut a vertical cut down the center, horizontal cut along the sill. And the last cut in the
case of an arch top is, I’ll cut this HomeWrap™ out flush with the rough opening, around the arch top. Then I’ll fold these in and staple the back side to the trimmer stud. Then I want to cut a head flap so I can deal with the head flashing details after I install the window. I’ll fold this head flap up, out of the way temporarily, so that I
can apply the head flashing later. And we make our 45 degree angle typical cut and then a vertical cut that represents the spring line of this arch. After we’ve cut the HomeWrap™, the next step is to apply the sill flashing. I’m using six-inch FlexWrap™ and I’ll peel off the release paper and I’ll eyeball...
See more here: https://www.youtube.com/watch?v=LUDtb30GDnQ