Sealers can be classified into two types: film-forming and penetrating. Film-forming, like its name suggests, creates a membrane - or film - on the surface of the concrete. These sealers do not ...

Why are there different types of sealers ... acidic on the surface to see how long it takes for it to mar the concrete, some sealers are going to last three or four hours - others 15 minutes.

Apply it after prepping the concrete using a standard garden ... there are three types of driveway sealers. Asphalt emulsion: ...