How to Seal a Granite Worktop

The correct application of a sealant to granite worktops, similar to various stone worktops such as slate and marble, can help enhance it in terms of its durability, spill-resistance, and ease of cleaning.

Choosing the right sealant

A sealant which is able to penetrate deeply into the granite worktop will provide better protection against staining, buildup of bacteria, and make cleaning as easy as wiping it down with a damp cloth, or special granite cleaner on a regular basis. So when considering a sealant for your granite worktop look for an impregnating granite sealant specifically designed for granite kitchen or bathroom worktops.

Top brand sealant products are the ones used by professionals such as granite worktops London and have proved to be effective at repelling moisture, eliminating the buildup of mould and bacteria, as well as stopping the penetration of oil into the granite’s surface – one of the most common sources of unsightly stains on stone worktops.

Good quality sealants usually come in a DIY kit, and some even include an instructional DVD which presents a step-by-step guide to application of the sealant. Such kits usually come with all the necessary items to successfully seal your granite worktop.

Look for some of the following features when shopping for a granite sealant for your kitchen or bathroom worktop:

  • Mineral-based sealants which offer optimal protection

  • Specifically designed for granite surfaces

  • No alteration of the colour of the worktop when dry

  • Quick drying time (5-10 minutes)

  • Water proof and oil proof barrier

Process for sealing your granite worktop

For DIY application, make sure that the worktop is thoroughly clean before applying the sealant. This can be achieved using a specialist stone worktop cleaner and then leaving the surface to dry.

Apply the sealant with a clean, dry, lint-free cloth. Simply use the cloth to wipe the sealant into the surface of the granite worktop evenly and makes sure that all areas of the worktop, including edges and splash-backs, are completely covered with sealant.

After allowing the first application to thoroughly dry – normally around 5-10 minutes – repeat the same process for the second coat of sealant. Allow another 5-10 minutes for the second coat of sealant to completely dry – and that’s it – job done. Try to avoid using the worktop for cooking or food preparation until at least 24 hours has passed; this will allow the sealant to fully impregnate the granite and provide optimal protection against the ingress of moisture, oil or other liquids.

Proper sealing of your granite worktop will make it virtually impenetrable and immune to stains which often result while cooking or during food preparation, and enhance its sheen and luxury appearance. But it’s still a good idea to wipe up any spills immediately with a damp cloth to help protect your granite worktop.