Do All Granite Countertops Need Sealing. Heres what can happen to naked natural stone. If youve got a gorgeous granite countertop and want to keep it in show home shape you may need to seal it.
Note the time that you placed the water on the counter and time the water to see how long it takes to absorb the granite will. By its nature granite is moisture-resistant -- however its also porous. Generally speaking most people reseal granite countertops every 1 to 3 years.
Some granite countertops are sealed at the time of installation which means you might not have to worry about sealing them again right away.
Natural stone material such as granite and marble is porous and if left unsealed will allow liquids to seep in and cause damage. This goes for most black granite countertops which are typically very dense and will neither stain nor absorb sealer. One says that granite countertops dont need any sealing since they are naturally resistant to stain. Although most granite countertops dont need to be sealed it does help the stone resist dirt and spills which can cause etching and staining source.
