How do you prevent efflorescence on concrete outdoor sofa surfaces?
Efflorescence, the white powdery residue that forms on concrete surfaces, can be a common issue for outdoor sofas. To prevent it, start by using high-quality, low-alkali concrete mixes and sealants designed for outdoor use. Apply a penetrating sealer to the concrete sofa surface to block moisture absorption, which is a primary cause of efflorescence. Regularly clean the surface with a mild detergent and soft brush to remove dirt and salts before they crystallize. Ensure proper drainage around the sofa to avoid water pooling. If efflorescence appears, use a diluted vinegar solution or commercial efflorescence cleaner to remove it gently. Consistent maintenance and protective measures will keep your concrete outdoor sofa looking pristine.