Answers

If the windows are bad they should be replaced. If not, try caulking around them on the exterior. If you still have problems you will need to caulk the entire exterior.

You should corn cob blast the exterior, apply a borate treatment inside and out then stain and clear coat. No magic stain without the first part of the process. Sorry.

I would recommend caulking the exterior completely with Energy Seal.

Sounds like you need to caulk or chink the exterior complete. Make sure that the windows are caulked in properly.

I would only recommend corn blasting.

Yes, they can come in thru large checks or ”cracks”. Make sure that the windows are caulked in properly. Also make sure corners are caulked or chinked.

Sanding is the best way for interior stripping.

You should be good in MO. You need to wait a minimun of two weeks after applying a glycol based borate. You can get it at Timeless wood Care at 800-564-2987. Timeless also has a borate that you can use in 2-3 days that is just about as good. It… Read More »Archive-7876

Corn cob blast the entire house and apply Perma Chink Ultra 2 stain and clear coat.

If the mildew is on top of thestain you can try washing them with Log Wash from Perma Chink (800-564-2987). If it is under the stain it will all have to be stripped off and start over some time in the next couple of years.