Get matched with top deck staining pros in Lamoure, ND

Yes, it's a good idea to sand the wall with fine-grit sandpaper after spackling, especially if you plan on painting. You can do this by hand or using a sander, but the idea is to ensure the spackle is flush with the wall. Sanding will give your wall a smooth, uniform finish and help your paint and wallpaper stay put.

DIY is possible but presents risks of uneven surfaces or improper adhesion; professionals offer expertise to ensure a lasting finish.

In most cases, sanding an old deck before staining it is necessary to achieve a decent finish. If your old deck has a relatively new stain finish on it and you're only doing touch-ups, you can generally skip the sanding part. However, if your goal is to make the deck look and function better, sanding first is a must. 

Limewash and whitewash do not harm surfaces if you apply them correctly. Use on non-suitable surfaces can cause issues. For instance, applying limewash or whitewash to surfaces with existing sealants or incompatible materials may lead to poor adhesion or flaking. Also, harsh cleaning agents on limewashed or whitewashed surfaces can damage the finish. Proper preparation, application, and maintenance ensure that limewash and whitewash do not harm surfaces.