Mark the cuts for siding under the window position the siding to be notched below the window.
How to put up vinyl siding around windows.
Install vinyl siding photo 11.
Install the j channel vinyl siding around all four sides of a window or three sides of a door.
At windows cut trim channel to match the length of the sill and then nail it into place.
Gap on each side for expansion.
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Use a siding removal tool.
For the window first position the j channel against the window casing.
The width of flashing you use beneath the window will be based on the placement of your vinyl strips.
Mark it on each side of the window allowing an extra 1 4 in.
It should be wide enough to slip under the bottom edge of the fin and overlap the nail strip of the siding below it.
Cut two lengths of channel for the sides allowing an extra 2 in.
At the bottom make a 1 in.
Remove the pieces of vinyl siding from around the window area.
Do not cut the vinyl off.
Extract nails keeping the vinyl pieces in place in order to prepare vinyl pieces to be removed.
Install siding around windows.
Ensure that the flashing along the bottom of the window overlaps the nailing hem of the last complete course of siding beneath the window.
Place the new window in its opening and tack it into place.
Inspect the flashing and building wrap around the window.