1. Best to strip all so it is uniform when done. Make sure that brightener goes on after the stripping. 2. Most likely the wood will cup again. It i...

1. Colorado, Denver Metro Area 2. Full sun most of the deck with partial shade on one side (about 1/5 of a deck and horizontal railing) 3. Redwood...

There is not much you can do to stop sap oozing. At least we have never been able to prevent this or clean it off without removing the stain as well.

No need to remove all i using a solid gray stain.

Hard to tell. Is it old stain that did not strip off completely?

here is one

Never used it so not sure of it's effectiveness.