Spains Verde Osona Sandstone can be used in exterior applications in very rainy climates, but certain precautions need to be taken. Osona is a durable and resistant sandstone that can withstand various weather conditions, including rain. However, it is important to ensure that the sandstone is properly sealed with a high-quality water repellent sealer.
Sealing the sandstone helps to prevent water absorption, which can cause damage such as staining, efflorescence, and deterioration over time. Regular maintenance and reapplication of the sealer may also be necessary to maintain its protective properties.
It is worth noting that even with proper sealing, extreme and continuous exposure to heavy rain and moisture can still have some impact on the stones appearance over time. However, with the right installation, sealing, and maintenance, Spains Verde Osona Sandstone can be successfully used in exterior applications in very rainy climates. Consulting with stone professionals or architects experienced with this type of sandstone can provide further guidance tailored to specific project requirements.