Get matched with top buffing and polishing pros in Robinson, TX

You don’t need to seal German smear; the mortar is already acting as a sealant for the bricks. You can seal the mortar, though, if you wish to further protect the area from stains, moisture, and dirt or make it easier to clean and maintain. Note that a sealant will make the mortar appear more glossy.

No, using a power sander on brick is not recommended because the force of the sander can destroy brick's fragile outer layer. Even using sandpaper on brick is discouraged because of the damage its abrasiveness can cause.

Quartzite countertops are porous, meaning that liquids can seep into the stone and stain them. You’ll need to seal them before installing and resealing annually, depending on use and stone material. Sealing will help prevent stains and etching. On the other hand, you don’t need to seal quartz and other engineered stone countertops since they aren’t porous.

No, you cannot use vinegar to polish marble. It is too acidic for cleaning or polishing and can etch the surface. Instead, opt for non-acidic cleaners made specifically for marble. Follow the manufacturer’s directions to ensure proper application and to protect the marble. However, a damp mop can be an effective marble cleaner when used appropriately and as long as moisture is immediately soaked up.