Tenax Proseal (Stone Sealer)

Photo is for reference only. Color, veining, and shading vary between slabs. Visit our slabyard to select your material in person.

Tenax Proseal (Stone Sealer)

₱4,600 per sqm

Oil spits off a hot pan and lands on the worktop more often than anything else in a kitchen. Tenax Proseal (Stone Sealer) stands up to oil and water together, and leaves behind no gloss and no shift in color.

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Available at all 5 branches. Custom-fabricated and installed in 3-5 days.

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Why Choose Tenax Proseal (Stone Sealer)

Oil and Water Protection Covers both, which is what a kitchen calls for. A water-only sealer leaves cooking oil free to sink in.
Goes In, Not On An impregnating sealer coats the pores from within, leaving no surface layer to wear through, peel or cloud over.
Changes Nothing About the Look No gloss, no shift in color, no sheen. Sealed properly, a counter is indistinguishable from an untreated one.
Our Strongest Kitchen Sealer The bottle we reach for on worktops, where cooking oil and daily spills demand the most resistance. Stocked in Iloilo.

What Is Tenax Proseal?

An impregnating sealer that travels into the stone rather than sitting on it.

Tenax Proseal is a solvent-based impregnating sealer for natural stone, produced by Tenax in Italy. It turns away oil and water alike, and that second half is what a water-only sealer cannot give you.

The word impregnating carries the whole idea. Proseal sinks into the pore structure and coats those pores from within instead of curing into a skin, so there is no layer on top waiting to wear away or lift.

Which is why a treated counter still feels like stone under your hand. No coating has been added; the pores have simply been taught to push liquid back instead of drinking it in.

Every counter we install in Iloilo City goes out sealed with it, and this is the bottle to pick up when the seal is due again. On walls, floors and anything outdoors, Tenax Hydrex is the better answer.

How Much Does Tenax Proseal Cost in Iloilo?

Rates at the Iloilo branch, 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 by distance from the Iloilo branch, whether the bottle is going to a kitchen in Iloilo City, a house in Bacolod or a resort on Boracay in Aklan.

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Which Stones Need Sealing?

Not the ones you would guess. Color settles nothing.

This is the single thing customers get wrong most often. Porosity is a property of the individual stone, and it takes no notice of whether a slab reads light or dark.

Needs sealing

Most granites, Salt and Pepper, River White, Paradiso Dark, Gray Honda and Black Impala among them. Every marble and every onyx as well, and travertine wherever it is laid.

Needs no sealing at all

All engineered quartz, with no exceptions, since the resin binder gives a sealer nothing to sink into. On the granite side, Absolute Black, Black Galaxy, Tan Brown and Marigold.

Why the rule of thumb fails

Marigold is a light brown and asks for nothing. Gray Honda and Paradiso Dark are both dark and both want sealing. Anyone who tells you dark stone never needs a sealer, without first asking which stone, has not looked it up.

How to settle it on your own counter

Put three or four drops of water somewhere out of sight and walk away for 15 minutes. Stone that has gone darker underneath is drinking the water and wants sealing. Water still standing in beads, wiping away clean, means leave it be.

How Do You Apply Tenax Proseal?

Three steps, and it is the last one people rush.

1

Start Clean and Dry

Sealer cannot enter a pore that is already full of water, so the slab has to be bone dry first. Wash it with a pH-neutral stone cleaner, then leave it several hours.

2

Apply Thinly and Let It Soak

Lay down a thin, even coat with a cloth or an applicator pad and let it penetrate for as long as the bottle says. Take one section at a time so nothing dries off before you come back to it.

3

Buff Off Every Trace of Residue

Lift the excess with a clean dry cloth while it is still wet. Whatever stays behind hardens into a hazy film, and that haze is far and away the most common complaint we hear about sealing. Keep the air moving.

Proseal is one of the stone care products we keep on the shelf in Iloilo City, alongside the cleaners that will not strip it off again. Ask at the counter in Iloilo.

Does Sealing Change How the Stone Looks?

No. Assuming you buff the excess away.

No. Proseal is an impregnator, so all of its work happens beneath the surface. No film, no added gloss, no shift in color. Put a sealed counter next to an untreated one and nothing gives it away.

Residue is the exception. Sealer left to dry in place rather than lifted off hardens into patchy cloudiness, and on a dark polished granite it announces itself. That is a fault in the application, not in the bottle.

Where a counter has already been hazed this way, the Iloilo branch can talk you through stripping it back, though buffing properly at the time is a great deal less work.

Nor is Proseal a polish, and it adds no shine at all. Gloss on natural stone is a separate job for Stone Care Granite & Stone Polish.

Does Sealing Prevent Etching?

No. And that catches a lot of people out.

No. Sealing keeps liquid from soaking in. Acid attacking the surface chemically is something else entirely, and the two kinds of damage have nothing to do with each other.

Staining is discoloration from something the stone drank. Etching is a dull mark where acid has eaten the polish away. Calamansi, vinegar and wine will etch marble or travertine straight through a sealer in perfect condition.

Calcium carbonate is where this bites hardest, which means every marble, every onyx and travertine. Sealing those is still worth doing, and it still will not rescue a surface from a wine glass left standing overnight.

Granite is a silicate instead, so it does not etch, and on granite a sealer really does cover the main risk. Quartz resists staining and does not etch, which is why it never needs sealing.

Proseal vs Our Other Stone Care Products

Four bottles, four separate jobs.

Proseal is the countertop sealer

Oil and water protection, ₱4,600. For kitchen counters, vanity tops and anywhere cooking oil turns up. This is the one that goes on at installation.

Hydrex is for walls, floors and outdoors

Tenax Hydrex at ₱3,500 handles water rather than oil, which suits cladding, flooring and pool surrounds where rain and damp are the problem and frying oil never is.

Cera Fluida is a wax, not a sealer

Tenax Cera Fluida at ₱3,500 deepens color and adds a soft sheen. It rides on the surface and wears off, so treat it as a finish rather than protection. Never 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 Tenax names get muddled at the counter.

How Often Should You Reseal?

When the water test fails, never because a date has come round.

1

Test Twice a Year

Leave a few drops of water on a hidden patch of counter for a quarter of an hour, then wipe them off. Darker stone underneath means the sealer has gone; beading water means it is still doing its job. Marble, travertine and onyx can get there inside six months, while the granites that want sealing usually stretch to a year.

2

Test the Areas That Work Hardest

Beside the sink and next to the hob wear out first, since that is where water pools and oil lands. A counter can be crying out for sealer at one end while the far end is untouched.

3

Do Not Reseal for the Sake of It

Sealer beyond what the stone can absorb dries on top and hazes. Working to a calendar instead of a test is exactly how counters end up cloudy.

Frequently Asked Questions

How do I know if my counter needs sealing?
Run the water test. Leave a few drops on a hidden spot for 15 minutes. Darker stone underneath means it wants sealing; water sitting in beads and wiping away clean means the seal is holding. It works on any natural stone.

What is the difference between Proseal and Hydrex?
Proseal handles oil and water; Hydrex handles water alone. Proseal is ₱4,600 and the countertop choice, Hydrex is ₱3,500 for walls, floors and outdoor stone. In a kitchen oil is the harder problem, so counters get Proseal.

Will sealing stop my marble from etching?
No. Sealing blocks absorption, not chemical attack. Acid dulls the polish on marble, travertine and onyx through a flawless seal. Keeping calamansi, vinegar and wine off those surfaces is the only real defense.

Does engineered quartz need sealing?
Never. Quartz is manufactured, so the resin binder gives a sealer nothing to sink into and it dries as a film. Anyone selling you sealer for a quartz counter has not asked what it is made of.

Can I apply it myself?
Yes. Wipe on, wait, wipe off, and an evening covers it. The step that matters is lifting every trace of excess before it dries, because residue sets into a haze.

What happens if I leave residue on the surface?
It dries into a patchy, cloudy film, and dark polished stone shows it plainly. The damage can be undone, but stripping it back is a good deal more work than buffing at the time.

Will it remove a stain that is already there?
No, and sealing over a stain traps it. Draw it out with a poultice first, let the stone dry right through, then seal. Ask the Iloilo counter which poultice suits the stain.

Where can you buy Tenax Proseal in Iloilo?
Stone Depot sells Tenax Proseal at the Iloilo branch for ₱4,600. Stock moves, so send a message before you make the trip.

We seal counters at installation, so this is the bottle to buy when the water test says it is time again. Pickup is at the Iloilo yard, and delivery runs across Western Visayas, from Iloilo City out to Bacolod, Boracay and the rest of Aklan. Open Monday to Saturday, 8 AM to 5 PM, and you are welcome to visit or contact us.

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