Please note: This product has been replaced by the manufacturer with Funcosil SNW. Funcosil SNL in the 5-litre container has been discontinued. We currently have limited stock available. Once this stock has been sold out, this product will no longer be available.

Click here for the replacement product: Funcosil SNW 5 litres.

Remmers Funcosil SNL – Façade Water Repellent 5 Litres

Content: 5 litres (sufficient for approx. 3–7 m², depending on substrate)
Long-term performance: > 10 years
Shelf life: minimum 24 months

Compact protection for walls and façades

Remmers Funcosil SNL is a high-quality water-repellent solution for homeowners and professionals. It penetrates deeply into porous mineral surfaces, offering long-lasting protection against moisture and dirt.

Treated façades remain cleaner for longer, prevent water ingress, and enhance thermal insulation.

Suitable substrates

Best for porous mineral surfaces, such as:

• Brickwork

• Calcium silicate brick

• Mineral render / plaster

• Aerated concrete and lightweight concrete

Commonly used for:

• Penetrating damp façades

• Chimneys

• Cleaned or sandblasted surfaces

Features

• Highly water-repellent (beading effect)

• Vapour-permeable, prevents trapped moisture

• Deep penetration

• UV, light, and weather-resistant

• Extremely durable (>10 years)

• High active ingredient content

Technical information

Funcosil SNL is a reactive siloxane solution that penetrates mineral surfaces deeply. It forms a durable, water-repellent layer without affecting vapour permeability.

Benefits:

• Reduces water absorption

• Limits harmful substances

• Reduces microbial growth

• Improves freeze–thaw resistance

• Reduces energy loss

Application

• Use a low-pressure sprayer or brush/roller

• Apply until the substrate is fully saturated

• Avoid misting and treat each section continuously

• Protect treated surfaces from rain for at least 5 hours

• Ideal application temperature: 5–25 °C

Average consumption

• Fine brickwork: min. 0.8 l/m²

• Coarse brickwork: min. 1.0 l/m²

• Smooth calcium silicate brick: min. 0.5 l/m²

• Rough calcium silicate brick: min. 0.7 l/m²

• Render: min. 0.5 l/m²

• Aerated concrete: min. 1.0 l/m²

• Wood fibre cement: min. 0.3 l/m²

• Concrete façade blocks: min. 1.2 l/m²

• Fine natural stone: min. 0.6 l/m²

• Coarse natural stone: min. 1.5 l/m²