The Fleetwood Bloxx It 400ml aero is a versatile solution for various surfaces. It permanently eradicates water-based and stubborn stains, preventing bleeding through the paintwork. This product sticks to all surfaces without sanding, including PVC, ceramic, and varnish, and seals porous surfaces. It's suitable for masonry and bare plaster, and primes all surfaces. The product dries to the touch in 40 minutes, with a recoat time of 2 hours, and is fully dry in 4 days.