Tenax Proseal (Stone Sealer)

₱4,600

Oil spits off a hot pan and lands on the counter more often than anything else in a kitchen. Tenax Proseal (Stone Sealer) guards against oil and water both, and it leaves no gloss or color shift behind.

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Why Choose Tenax Proseal

Oil and Water Protection Guards against both, which is what a kitchen needs. Water-only sealers leave cooking oil free to soak in.

Goes In, Not On An impregnating sealer lines the pores from inside, so there is no film to wear through, peel or go cloudy.

Changes Nothing About the Look No gloss, no color shift, no sheen. A correctly sealed counter looks exactly like an unsealed one.

Our Strongest Kitchen Sealer The one we reach for on kitchen counters, where cooking oil and daily spills need the most resistance.

What Is Tenax Proseal?

An impregnating sealer that goes into the stone, not onto it.

Tenax Proseal is a solvent-based impregnating sealer for natural stone, made by Tenax in Italy. It protects against both oil and water, which is what separates it from a water-only sealer.

The word impregnating matters. Proseal soaks into the pore structure and lines those pores from the inside rather than forming a film. There is nothing sitting on top to wear through or peel.

That is why a sealed counter still feels like stone. You are not adding a coating, you are making the pores repel liquid instead of drinking it.

We use Proseal on countertops at installation, and it is the one to buy when they need redoing. For walls, floors and outdoor stone, Tenax Hydrex is the right choice.

How Much Does Tenax Proseal Cost?

Prices are subject to change without prior notice.

Item	Starting Rates
Tenax Proseal	₱4,600
Tenax Hydrex	₱3,500
Tenax Cera Fluida	₱3,500

Cut-out charges apply only when installation is included. Delivery is priced based on distance from your nearest Stone Depot branch.

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Which Stones Need Sealing?

Not the ones you would guess. Color predicts nothing.

This is the most common misunderstanding we deal with. Porosity varies stone by stone and does not follow how light or dark a slab looks.

Needs sealing

Most granites, including Salt and Pepper, River White, Paradiso Dark, Gray Honda and Black Impala. Every marble, every travertine and every onyx we carry.

Needs no sealing at all

All engineered quartz, without exception, because it is manufactured rather than quarried. Among granites, Absolute Black, Black Galaxy, Tan Brown and Marigold.

Why the rule of thumb fails

Marigold is light brown and needs nothing. Gray Honda and Paradiso Dark are dark and both need sealing. Anyone who says dark stone never needs a sealer, without asking which stone, has not checked.

How to settle it for your own counter

Put a few drops of water on an inconspicuous part of the counter and leave them 15 minutes. If the stone darkens underneath, it is absorbing and wants sealing. If the water beads and wipes away clean, leave it alone.

How Do You Apply Tenax Proseal?

Three steps, and the third is the one people skip.

Start Clean and Dry

The stone must be completely dry, because a sealer cannot enter a pore that already holds water. Clean with a pH-neutral stone cleaner, then give it several hours.

Apply Thinly and Let It Soak

Spread a thin even coat with a cloth or applicator pad and leave it to penetrate for the time stated on the bottle. Work in sections so no area dries before you return to it.

Buff Off Every Trace of Residue

Wipe away all the excess with a clean dry cloth before it dries. Anything left on the surface hardens into a hazy film, and that haze is the most common complaint about sealing. Ventilate while you work.

Proseal is one of the stone care products we stock at every branch, alongside the cleaners that will not strip it back off again.

Does Sealing Change How the Stone Looks?

No. Provided you buff off the excess.

No. Proseal is an impregnating sealer, so it works below the surface and leaves no film, no gloss and no color shift. A correctly sealed counter looks exactly like an unsealed one.

The exception is residue. Sealer left to dry on top rather than buffed away hardens into a patchy haze, and on dark polished granite it shows badly. That is an application fault, not a property of the product.

If a counter has been hazed this way the branch can advise on stripping it back, though buffing properly the first time is far easier.

Proseal is not a polish and adds no shine. For gloss on natural stone, Stone Care Granite & Stone Polish does that different job.

Does Sealing Prevent Etching?

No. And this catches people out badly.

No. Sealing stops liquids soaking in. It does nothing to stop acid chemically attacking the surface, and those are two completely different kinds of damage.

A stain is discoloration from something absorbed into the stone. An etch is a dull mark where acid has eaten into the polish itself. Lemon juice, vinegar and wine will etch a marble or a travertine through a perfectly good sealer.

This matters most on the calcium carbonate stones: every marble, every travertine, every onyx. On those, sealing is worth doing and still will not save the surface from a spilled glass of wine left overnight.

Granite is silicate rather than calcium carbonate and does not etch, so on granite sealing does cover the main risk. Quartz neither etches nor absorbs, which is why it needs no sealer.

Proseal vs Our Other Stone Care Products

Four products, four different jobs.

Proseal is the countertop sealer

Oil and water protection at ₱4,600. Use it on kitchen counters, vanity tops and anywhere food and cooking oil are in play. This is the one that goes on at installation.

Hydrex is for walls, floors and outdoors

Tenax Hydrex at ₱3,500 protects against water rather than oil. That suits cladding, flooring and pool surrounds, where rain and damp are the threat and cooking oil is not.

Cera Fluida is a wax, not a sealer

Tenax Cera Fluida at ₱3,500 enriches color and adds a soft sheen. It sits on the surface and wears off, so it is a finish rather than protection. Never use it on quartz, where wax yellows.

Solido is an adhesive

Tenax Solido from ₱1,600 is a polyester mastic for bonding and repairing stone, in black, white and transparent. Listed here because the names get confused at the counter.

How Often Should You Reseal?

When the water test fails, and not on a calendar.

Test Twice a Year

Put a few drops of water on an inconspicuous part of the counter and leave them 15 minutes, then wipe it away. If the stone underneath has darkened, the sealer has worn through. If the water beads and the stone is unchanged, it is still working. Marble, travertine and onyx can fail this as often as every six months; the granites that need sealing usually go a year.

Test the Areas That Work Hardest

Around the sink and beside the hob wear first, because that is where water sits and oil lands. A counter can need resealing at the sink while the far end is still fine.

Do Not Reseal for the Sake of It

More sealer than the stone can absorb dries on the surface and hazes. Resealing on a schedule rather than a test is how counters end up cloudy.

Frequently Asked Questions

How do I know if my counter needs sealing?

Leave a few drops of water on an inconspicuous spot for 15 minutes. If the stone darkens underneath, it wants sealing. If the water beads and wipes away with no mark, the seal is still working. This works on any natural stone.

What is the difference between Proseal and Hydrex?

Proseal protects against oil and water, at ₱4,600, and is the countertop choice. Hydrex protects against water only, at ₱3,500, for walls, floors and outdoor stone. In a kitchen oil is the harder problem, which is why counters get Proseal.

Will sealing stop my marble from etching?

No. Sealing prevents absorption, not chemical attack. Acid will still dull the polish on marble, travertine and onyx through a perfect seal. Keeping lemon juice, vinegar and wine off those surfaces is the only real protection against etching.

Does engineered quartz need sealing?

Never. Quartz is manufactured, so a sealer leaves a film and achieves nothing. Anyone selling you sealer for a quartz counter has not asked what it is made of.

Can I apply it myself?

Yes. It is a wipe-on, wait, wipe-off job that takes an evening. The critical step is buffing off every trace of excess before it dries, since residue hardens into a haze.

What happens if I leave residue on the surface?

It dries into a patchy, cloudy film, very visible on dark polished stone. Recoverable, but stripping it back is more work than buffing properly at the time.

Will it remove a stain that is already there?

No, and sealing over a stain locks it in. Lift it first with a poultice, let the stone dry fully, then seal. The branch can advise on the right poultice.

Where can you buy Tenax Proseal in the Philippines?

Stone Depot offers Tenax Proseal at branches in Cebu, Davao, Cagayan de Oro, Iloilo and Laguna, at ₱4,600. Stock varies from branch to branch, so it is worth checking before you visit.

We seal countertops at installation, so this is the bottle to buy when the water test says it is time to redo it. All branches are open Monday to Saturday, 8 AM to 5 PM, and you are welcome to visit or contact any branch.

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