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Oxygen bleach uses hydrogen peroxide as a base and won’t harm wood when using it as a cleaner. On the other hand, chlorine bleach breaks down wood at the cellular level and causes irreversible harm. Although you may not see immediate damage to wood after exposing it to chlorine bleach, its strength and integrity are now compromised.

It is not always necessary to remove old stain before restaining a deck. If the previous stain is in good condition and is compatible with the new stain, you may be able to apply a new coat after thorough cleaning. However, if the old stain is in bad condition, flaking, or peeling, it is best to remove it completely to ensure an even surface and proper adhesion for the new coat. Staining over a damaged layer can lead to an uneven finish and poor penetration. For best results, test a small area first and consult the stain manufacturer's guidelines.

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.

Beyond liquid rubber, homeowners can use sealants, stains, membranes, or tapes as waterproofing options. Oil-based or water-based sealants soak into the wood, creating a moisture-resistant barrier. Waterproofing stains—available in transparent, semi-transparent, and solid colors—add both protection and style to your deck. For heavy-duty waterproofing, deck membranes and waterproof tapes can be applied under the deck boards to direct water away from the structure below. Whatever method you choose, clean and prep the deck first to ensure the best, longest-lasting results.