Just been futzIng after work - cut 4 PVA vertical strips for the door to frame "seal". I added the soft brush style sealing used for vinyl windows (at least I think that's what it's intended for). Also leveled the tops of the doors and added PVA caps to fill the gaps in varying sizes. I'll add a brush seal to them also, to minimize the air gaps. With those I'll probably put the seal onto the PVA on the door, as it doesn't really like to stick to wood painted or not. Sticks just fine to vinyl. Have to deal with the irregular door bottoms also, now those are the main draft (visible in last pic of last post )