Answers

Yes, run a bead of Energy seal along all of the chinking to seal.

Call Timeless Wood Care Products at 800-564-2987. They will have some materials that should help you.

The foam needs to go away and then fill with Perma Chink.

You should call Timeless Wood Care products for this one. 800-564-2987

Probably, but I would remove as much as possible first.

You need to install Grip Strip and then chink with Perma Chink. Call Dave at 800-564-2987 for help.

If you want to preserve the bark a LIGHT power washing is about the only way.

You will need to get Grip Strip to fill gaps and then apply Perma Chink. Call Dave at 800-564-2987 for the materials you will need.

I do not recommend it , but yes.

chink