Make your floor stronger with this 5L External Concrete Sealer by SmartSeal. This pack of two solvent-based sealers offers durability and long-term protection against wear, weather, and damage. It is an ideal choice for sealing block paving and concrete floors and is a reliable sealant which ensures your surfaces stay pristine for years. Also, it will give a layer of protection above the concrete, which will not blister or peel. The sealer is easy to apply, and you can use a sprayer or roller for the application process, which is quick and convenient. It can cover up to four to six m2 per litre.