I am at the point of siding where I need to get around this window. It is 20 years old and there is no nailing flange. As you can see, I have Protecto wrapped the arch casing from the bottom and behind the horizontal PVC trim. I made a drip edge for the arch out of lead. I will drop the Tyvek over the lead before continuing with the siding. There is going to be a starter strip of Hardie about 3/4" above the drip cap on the horizontal casing. My concern is do I have enough with the ProtectoWrap behind the horizontal trim where it meets the arch? It is impossible to bend the lead into that corner without it splitting. Do I just caulk the area where the lead meets the drip edge in the corner? Any suggestions will be appreciated as I do not feel that I have enough weatherproofing with just the ProtectoWrap.

 

what you have done there looks ok. In addition, I would apply some silicone behind the lead where it meets the drip edge, and set the lead into it. Also do the same with the siding when you install it, setting the siding into a bead rather than trying to caulk it after it is in place.

 

By slitting the vertical face of the lead, you should be able to curve it to match the window arch. In my opinion, it would be better to place the lead under the protecto wrap instead of on top of it as shown.

 

I agree Bridgeman, I just assumed he was going to put house wrap or some other material over the flashing before the siding goes on.

 

Prior to installing the lead flashing over the radius window, the horizontal drip cap should be cut and bent to create an upturned flap on the end that meets the radius window trim.

 

Tyvek is going over the flashing before the siding. I stated that in the original posting. The ProtectoWrap is there to protect the sheathing. The Tyvek will go over the lead flashing. Actually might try the SureSill HeadFlash-Flex instead of the lead flashing.

 

Something like this, correct? Just remove the other piece and place the ProtectoWrap over. Then the Tyvek over that.

 

Now that's nice. Caulk the corner with a polyurethane sealant before you lay your lead over the top.