shed window rough opening
Framing your shed for doors and windows. when framing for shed doors and window openings, it is very important that you frame in headers above the openings. all door and window openings must have headers above them to carry the load or weight from above. with a shed, typically this load is the roof framing.. Which for this window are 24.5" x 24.5" this means that the opening you will frame in for your window will be 24.5" x 24.5". now, lets say for planning purposes, you want the top of your window (s) to be even with the top of your shed door.. Cutting the window opening. once you've finished the framing, cut a hole in the siding from the outside of the shed. driving screws through the siding from inside establishes the four corners of. 
shed window rough opening
