Concrete and Paving Sealing

Why Seal Pavers? Is It Really Necessary?

Sealing pavers is recommended by most manufacturers and contractors for one reason.

The materials pavers are made of are porous.  This means your pavers will absorb liquids, and that’s what makes stains happen.

When a paver absorbs water, that’s ok, it will darken for a while, but give it time, and all that water will evaporate. The real issue is that your pavers are also subjected to oil, hard water, rusty water, grease, and so on.

When those liquids penetrate pavers, they will cause a very hard to remove, often impossible to remove, stain.

The sealer is supposed to both penetrate on the pores of your pavers and make them impervious and create a film that will also protect its surface, making it easy to clean. A properly sealed paver will not stain and any marks on it will be easily removed.

So that’s the main motivation for sealing pavers, but not the only one. Here are some added benefits of sealing your pavers.

Stains are not the only thing that ages pavers. Accumulated dirt and grime are eventually encrusted on pavers and become impossible to remove. Dirt also adds to the erosion of concrete paving stones.

Film-forming sealers prevent dirt from attaching to pavers making them easy to wash away.

Concrete pavers are pigmented during fabrication and constant exposure to UV light can discolor those pigments.

A film-forming sealer will stop that from happening, making sure your pavers will keep their original looks.

Sealers will optionally provide colour enhancement. This is what’s normally called a wet look. You know how pavers look great after you’ve just washed them?

Sealing them can make that look become their normal look. But only if you opt for wet-look sealers. If you want a natural look, that’s alright.

Paver joints are filled with sand so that they don’t move and all the load they bear is properly distributed. Over time, that sand is blown away by the constant exposition to the wind and the rain and has to be refilled.

If the sand is not refilled shifting or settling can happen. Most pavers come with joint stabilization additives that will harden the sand, making it more resistant to the rain and the wind.

By hardening the sand joints, you’re also making it harder for weeds to grow, and trust us, if you don’t do something about it, weeds will grow. Nobody likes a weed-covered paver patio.

People say pavers can last for over 50 years, and that’s entirely true, actually, they will last for longer than that. The main reason people change their old pavers is that they have aged. They don’t look nice anymore, their colour is faded, there are stains, break marks, weeds all around, and so on.

By sealing regularly, you stop all of that from happening, making sure you can enjoy your pavers’ entire lifespan.

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