Dry-Treat S-Tech 100M™ 100% Silane-Based Impregnating Water Repellent



S-TECH 100M™ is a fully breathable, modified silane impregnator which penetrates deeply and provides superior water repellent. S-TECH 100M™ is optimized to bond efficiently inside a wide variety of masonry, including all types of natural stone, cast stone, brick, terracotta, concrete and grout. S-TECH 100M™ is designed to maintain the condition and maximize the life of masonry against common forms of damage caused by the ingress of water and salts, including: Efflorescence and leaching of other water soluble minerals, freeze-thaw / salt spalling and picture framing. It also keeps surfaces looking good for longer and makes them easier to clean and maintain.

General Information

Typical applications:

  • Protection masonry materials used in the building envelope and horizontal surfaces, including: Building facades, cladding, blockwork, brickwork, grout, pathways, terraces and patios.
  • S-TECH 100M™ is suitable for new build and restored masonry surfaces.
  • Recommended for specification where building is exposed to consistent high rainfall and / or freeze thaw conditions.

Suitable surfaces:

Suitable for a wide range of porous building materials, including natural stone, cast stone, brick, terracotta, concrete and grout.


  • Smaller silane for maximum penetration.
  • Formula is optimized to facilitate efficient bonding across all types of masonry, including non-cementitious, low pH materials such as brick and natural stone.
  • Maximum penetration and optimized bonding efficiency provide superior long term water repellence.
  • Premium protection against freeze-thaw / salt water spalling, efflorescence, picture framing, damp migration and other common damage caused by water and chloride ion ingress
  • No color change on most stones and masonry surfaces.
  • Negligible change to slip resistance when applied according our written instructions and guidelines.
  • A 20 year performance warranty is available – see Warranty section below for details.
  • High resistance to alkaline (high pH) environments. Concrete is highly alkaline / base and can severely shorten the life of other technologies.
  • Able to seal hairline cracks up to 0.3 mm (0.012 in.)
  • Non film forming so it cannot flake or peel and is resistant to UV
  • Dry-Treat only uses silanes which produce alcohol. Dry-Treat sealer do NOT contain methoxy silanes which emit methanol and can cause blindness / death


A 20 year performance warranty is available if product is applied by a level 4 Accredited Applicator at the optimal application rate (see section on Total Application Rates), according to our written instructions  and guidelines and samples are provided to us for testing. Industry professionals can contact their local Dry-Treat representative or email info@drytreat.com to enquire about Accredited Applicator training and certification.

Technical Data:

  • Active Content: >98% modified silane plus optimizers
  • Specific Gravity: 0.88
  • Color: Clear colorless liquid
  • Weight: 7.34 lbs / gallon; 0.88 kg / liter
  • VOCs: <390 g/L

Pack size:

  • USA and Asia Pacific – 5 gallon / 18.9 liter; 54 gallon / 204.5 liters; 250 gallon / 946 liter – special order
  • Europe – 5 Gallon (18.9Litre); 54 and 250 gallon – special order.

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By Published On: August 25th, 2018Categories: , , Comments Off on Dry-Treat S-Tech 100M™ 100% Silane-Based Impregnating Water Repellent