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Product benefits

Ready to use transparent, thin liquid solvent based impregnator for water repellent protection for stone surfaces. Suitable for bottom  & side surfaces only.

•Reduces water permeability of treated surfaces; therefore eliminate 
 developments of water stains.
•Protects trated surface from weathering.
•Minimize the appearance of efflorescence on both surfaces & joints.
•Seals & protects against staining or discoloration.
•Allows easier maintenance of treated surface by allowing easier removal of 
 graffiti, grmes, dirt, dust etc.
•Unaffected by ultra violet rays.
•Easy to apply using brush, cloth or roller.
•Fast drying and able to support foot traffic within 24 hours.

Product Features

Technical Data

•Application Temperature : 5-30⁰C
•Touch dry time : 2 - 4 hours
•Cure Time : 24 hours
•Flash Point (ASTM D56) : 35⁰C
•Density : 0.80 g / cm³


Printable Product Document (PDF)

Technical Data Sheet

Material Safety Data Sheet

Send or download the documentation

You can either send the documentation to en-email address, or download it.

Preparation & Application


•Stir BELCEM HYDRO-SEAL well, before use.
 No further dilution is required.
•Surface must be dry, sound, flat/true & free of contaminants.
•Preliminary testing on small trial areas is important to determine coverage
 and compatibility if BELCEM HYRO-SEAL with the materials to be treated.

•Do not apply on damp or wet surfaces and during wet weather conditions.
•Apply to the underside, edges (4 sides).
•Apply evenly with a brush, cloth or roller, ensure that thin
 even coats are applied.

•Applied as a single coat treatment. Certain materials may require two or more
 coats for effective water & oil repellent result.

•Generally, low porosity (dense) material normally required 1 - 2
 coats treatment;porous material required two or more treatment coats.
•Where a second coat is required, allow first coat to impregnate into the
 Natural Stone Slab, within 30 - 60 minutes, before applying the
 second coat in  similar manner.

•The second coat must be applied wet on wet; before first coat dries out
 or fully cure.
•1 - 2 hours after application of final coat,buff off (polish) any residue of
 BELCEM HYDRO-SEAL on the top surface by a clean dry absorbent cloth.
•Achieves maximum properties in 5 days.

•Treated Natural Stone Slab should only be installed after 24 hours.
•Adequate protection from weathering & traffic must be provided during
 application and while BELCEM HYDRO-SEAL had yet to cure.

Self Life & Storage

•12 months after manufacturing date when stored unopened in dry condition of normal ambient temperature.


Depending on porosity of material to be sealed :
Low water absorption (< 5%)                  = 1 - 2 ltrs / 100 m²
Moderate water absorption (20-30%)      = 3 - 5 ltrs / 100 m²
High water absorption (35-50%)              = 7 - 10 ltrs / 100 m²


Available in 1, 5 & 20 ltr steel container.


1,5 & 20 Ltrs