DUSH HIDRO SST
Anti-Efflorescence Back-Side Marble SealerDUSH HIDRO SST is a water-based back-side sealer applied to the underside of marble before installation to block the upward migration of moisture and soluble salts that cause efflorescence — the white salty patches that appear on marble floors after laying. Applied before installation, it addresses the problem at source before it can ever start.
Quick Product Facts
See DUSH HIDRO SST in use.
Problems DUSH HIDRO SST is built to solve.
If any of these apply to your project, you've found the right product.
White salty patches appearing on marble floor after installation
Efflorescence ruining a new marble installation that cost a fortune
Contractor being called back to fix salt deposits the client is unhappy with
Not knowing why marble keeps developing white patches after cleaning
What is DUSH HIDRO SST?
DUSH HIDRO SST is a penetrating natural stone sealer from DUSH — a premium Italian stone care brand with pan-India distribution. DUSH HIDRO SST is a anti-efflorescence back-side marble sealer — DUSH HIDRO SST is a water-based back-side sealer applied to the underside of marble before installation to block the upward migration of moisture and soluble salts that cause efflorescence — the white salty patches that appear on marble floors after laying. Applied before installation, it addresses the problem at source before it can ever start.
Key benefits:
- Prevents Efflorescence
- Moisture Barrier
- Applied Before Installation
- Safe & Low-Odour
Applications:
- New marble floor installation
- Basement marble floors
- Ground-floor marble
DUSH is an Italian stone care brand — offices across Hyderabad, Bengaluru, Chennai and Kozhikode.
Looking for an back side sealer for marble before installation? DUSH HIDRO SST is the professional-grade answer — used by contractors and homeowners across Hyderabad, Bangalore, Chennai, Mumbai and Delhi NCR. Whether you're dealing with white patches on marble after fitting, or searching for the sealer before marble installation, DUSH HIDRO SST delivers measurable, long-lasting results on Italian marble, granite, travertine and natural stone. Common problems like italian marble turning yellow are addressed directly by DUSH HIDRO SST's formulation. Available online across India — ask for DUSH HIDRO SST by name at your local stone care supplier or order directly on Flipkart and Amazon.
How to use DUSH HIDRO SST.
Follow these steps for best results.
Before installation, apply DUSH HIDRO SST to the back face of each marble slab using a brush or roller. Ensure full coverage.
Allow the treated back face to dry completely before applying adhesive. This typically takes 30–60 minutes in normal conditions.
Proceed with marble installation using your standard adhesive. HIDRO SST does not affect adhesive bond strength to the slab.
Pro tips & common mistakes.
Do This
- Ensure stone is completely clean and dry before applying sealer
- Patch-test on a hidden area to confirm the finish type is acceptable
- Apply in thin, even coats and wipe off excess within 30 minutes
- Allow full 24-hour cure before water or foot traffic
- Re-test the beading effect annually to determine when reapplication is needed
Avoid This
- Apply sealer to stone that is less than 28 days old (new installation)
- Pool or puddle sealer on the surface — apply thin and even
- Use acidic cleaners on sealed stone — they break down the sealer
- Apply colour-enhancing sealer on light marble expecting invisible results
- Skip the dry time — sealed stone exposed to water too soon will streak
Why DUSH HIDRO SST works.
Prevents Efflorescence
Blocks the upward migration of salts and moisture from concrete substrates that form white patches on marble surfaces.
Moisture Barrier
Water-based formula penetrates the marble's back face to create a barrier against substrate moisture transmission.
Applied Before Installation
The only time to prevent efflorescence is before the marble is laid — HIDRO SST is the pre-installation protection step.
Safe & Low-Odour
Water-based chemistry is safe to use in enclosed spaces, non-flammable and easy to apply without specialist equipment.
Compatibility
Compatible with all standard cement and polymer adhesives — does not interfere with the adhesive bonding process.
Ready to protect your stone?
Get DUSH HIDRO SST delivered or speak to a DUSH specialist.
DUSH Professional Sealer vs Unprotected Stone
DUSH professional grade vs standard alternatives.
| Feature | DUSH Professional | Standard |
|---|---|---|
| Stain Protection | ✓ Oil, wine, coffee repelled on surface | ✗ Spills absorb instantly — permanent staining risk |
| Water Resistance | ✓ Hydrophobic barrier — beads water up | ✗ Stone absorbs water — efflorescence risk |
| Maintenance Ease | ✓ Daily mopping sufficient | ✗ Requires frequent professional cleaning |
| Appearance | ✓ Invisible or colour-enhancing (as chosen) | ✗ Natural but stain-prone |
| Protection Duration | ✓ 1–3 years (professional grade) | ✗ No protection at all |
| Applicable To | ✓ Marble, granite, travertine, limestone | ✗ All stone (but unprotected) |
| Reapplication | ✓ Simple DIY reapplication when needed | ✗ N/A — no treatment to reapply |
| Investment Value | ✓ Protects expensive stone investment | ✗ Stone degrades — expensive to restore |
Cement adhesives and concrete substrates contain soluble salts that dissolve in moisture and migrate upward through the marble by capillary action. As they reach the surface and evaporate, they leave white crystalline deposits called efflorescence. Sealing the back of the marble before installation blocks this migration pathway.
Cement adhesives and concrete substrates contain soluble salts that dissolve in moisture and migrate upward through the marble by capillary action. As they reach the surface and evaporate, they leave white crystalline deposits called efflorescence. Sealing the back of the marble before installation blocks this migration pathway.
Apply DUSH HIDRO SST to the back face of each marble slab before installation. This water-based sealer creates a moisture barrier that prevents salt-laden water from migrating through the slab, stopping efflorescence from ever starting rather than trying to treat it after the fact.
Apply DUSH HIDRO SST to the back face of each marble slab before installation. This water-based sealer creates a moisture barrier that prevents salt-laden water from migrating through the slab, stopping efflorescence from ever starting rather than trying to treat it after the fact.
Efflorescence is caused by soluble salts from cement adhesives and substrates being carried to the marble surface by moisture. It can only be reliably prevented by sealing the back of the marble before laying — which is exactly what DUSH HIDRO SST is designed to do.
Efflorescence is caused by soluble salts from cement adhesives and substrates being carried to the marble surface by moisture. It can only be reliably prevented by sealing the back of the marble before laying — which is exactly what DUSH HIDRO SST is designed to do.
Where DUSH HIDRO SST is used.
New marble floor installation
Trusted by professionals for new marble floor installation across India.
Basement marble floors
Trusted by professionals for basement marble floors across India.
Ground-floor marble
Trusted by professionals for ground-floor marble across India.
Wet area marble installation
Trusted by professionals for wet area marble installation across India.
Humid climate marble projects
Trusted by professionals for humid climate marble projects across India.
People also ask about sealer.
Frequently asked questions.
15 expert answers about DUSH HIDRO SST.
◆ Precautions & Safety Notes
- Wear protective gloves during application.
- Keep out of reach of children.
- Ensure the application area is well ventilated.
- Reseal the container after use and store away from direct sunlight.
- Always patch-test on a small, inconspicuous area before full application.
- In case of skin or eye contact, rinse immediately with water.
Complete stone care, backed by Italian expertise.
Browse the full DUSH Sealer range or speak to a specialist.