You may need to use 4 or 5 pieces overlapped tightly to ensure that the whole of the curve is covered by the siding.
How to install vinyl siding around a curved window.
Slide the zip tool under the butt edge of the siding hook the locking edge and pull down.
Step 4 finishing.
To stiffen the trimmed section slide a length of utility trim.
Lift the unlocked siding to expose the nailing hem of the siding piece below.
To install vinyl siding to the soffit and fascia area on your home nail lengths of j channel along the inner edge of the fascia leaving the nail heads out about 1 32 to 1 16 of an inch.
Screw the vinyl in at regular paces making sure that you don t leave wide gaps in the siding.
Draw a line on the wall along the top of each siding course before you pull the nails.
Next measure and cut the siding to fit the measurements of your soffit and push each panel into the j channel.
Place the piece of siding to be installed under the window along the bottom edge and hold it where it will be located horizontally along the wall.
Mark the siding at 1 4 inch past the edge of each.
With the insulation backing in place install siding to within one row of the bottom of the window.
This video shows how to trim around half round and quarter round windows and accents.