Is Quartzite Ledger Stone Good for Cold Climates?
Quartzite typically has very low porosity, which limits how much water it absorbs. Low absorption matters when comparing natural stone choices for exterior walls in cold climates, because water that freezes inside stone can cause cracking. Exterior stone in Reno, Minden, and Fernley goes through repeated freezing and thawing each winter, while Sacramento rarely sees hard freezes and summer heat is the larger exposure.
Freeze-thaw performance also depends on the product and installation. Some ledger panels are rated for full exterior exposure, while others are listed for non-freeze-thaw areas only, so check the rating before planning an exterior wall.
How Do You Care for Quartzite Ledger Stone?
Caring for quartzite ledger stone comes down to occasional cleaning and periodic resealing. Sealing before and after installation is commonly recommended, especially for exterior walls and fireplace surrounds that collect soot.
- Dust interior walls with a soft brush, since the ledges catch dust
- Clean with water and a pH-neutral stone cleaner, and skip acidic or abrasive products
- Rinse exterior walls with a garden hose rather than a pressure washer, which can loosen pieces or drive water behind the panels
- Reseal on the schedule your sealer manufacturer recommends