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Remmers Funcosil SNL Odorless

Deep-penetrating, solvent-based water repellent for mineral facades

Product Information

Content: 30 liters
Coverage: approx. 20 – 50 m² (depending on substrate and absorption)
Durable effect: > 10 years
Shelf life: minimum 24 months (store cool, dry, frost-free in original, sealed packaging)

Remmers Funcosil SNL Odorless is a solvent-based impregnating agent for the durable water-repellent treatment of porous, mineral building materials. It provides long-lasting protection against moisture penetration and reduces the uptake of water and harmful substances. This keeps facades drier, limits frost damage, and reduces energy loss.

The 30-liter packaging is particularly suitable for larger surfaces.

Applications

Suitable for water-repellent treatment of:

• Brickwork

• Sand-lime brick

• Mineral plaster layers

• Aerated concrete and foam concrete

• Natural stone

• Concrete facade blocks

• Wood-fiber cement

Commonly used on through-walled facades, chimneys, cleaned or sandblasted facades, and previously water-repellent treated surfaces.

Properties

• Solvent-based

• Nearly odorless

• Extremely water-repellent (high beading effect)

• Vapor-permeable – prevents moisture entrapment

• Excellent penetration

• UV, light, and weather resistant

• Extremely durable (>10 years protection)

• High active substance content

• Reduces water and harmful salt uptake

• Limits growth of microorganisms

• Improves frost-thaw resistance

• Invisible protection without changing the appearance of the facade

Technical Description

Funcosil SNL Odorless is a reactive, oligomeric siloxane solution in solvent for water-repellent impregnation of mineral building materials. Its low molecular structure allows deep penetration into pores and capillaries of the substrate. It reacts chemically with moisture in the building material to form a water-repellent, UV- and weather-resistant active layer.

The active components deposit as a macromolecular layer along the pore walls without affecting vapor permeability. This results in reduced water absorption, limited transport of harmful substances, significantly improved frost-thaw resistance, and preserved thermal performance of dry facades.

Application

1. Use a low-pressure spray (e.g., garden weed sprayer).

2. Fill the sprayer with Funcosil SNL Odorless (use a funnel for larger containers).

3. Apply generously until the substrate is fully saturated.

Application can be:

• Top to bottom

• Bottom to top (recommended for wet-on-wet application for optimal penetration)

Important Notes

• Do not atomize (avoid high pressure or fine nozzle).

• Apply the liquid as a film about 30–50 cm along the wall.

• Fully treat defined facade sections without interruption to prevent overlaps.

• Small or complex areas can be treated with a brush or roller, provided enough material is applied.

Application Conditions

• Newly treated surfaces must be protected from rain for at least 5 hours.

• Avoid strong wind and high temperatures (too rapid evaporation reduces penetration depth).

• Ideal application temperature: 5°C to 25°C.

Recommended Consumption

• Fine-porous brickwork: approx. 0.8 l/m²

• Coarse or highly porous brickwork: approx. 1.0 l/m²

• Smooth sand-lime brick: approx. 0.5 l/m²

• Rough or broken sand-lime brick: approx. 0.7 l/m²

• Plaster layer: approx. 0.5 l/m²

• Aerated concrete: approx. 1.0 l/m²

• Wood-fiber cement: approx. 0.3 l/m²

• Concrete facade blocks: approx. 1.2 l/m²

• Fine-porous natural stone: approx. 0.6 l/m²

• Coarse-porous natural stone: approx. 1.5 l/m²

Actual consumption depends on the absorption and structure of the substrate.

Difference between Funcosil SNL and Funcosil SNL Odorless

• Funcosil SNL: solvent-based with a mild petrochemical odor.

• Funcosil SNL Odorless: solvent-based and nearly odorless.

The Odorless variant is designed for applications where minimal odor is required, without compromising penetration depth or protection level.

Summary

Remmers Funcosil SNL Odorless is a deep-penetrating, solvent-based siloxane impregnation product that provides long-lasting protection for mineral facades against moisture penetration. Its reactive action creates a durable, vapor-permeable, and invisible protection with a proven performance of over 10 years, combined with nearly odorless application.