RCM Rubber Seal it Waterproof Coating

The RCM Rubber Seal it is your all-in-one solution for long-lasting, flexible waterproofing across a wide range of roof types and surfaces. Specially formulated for both residential and commercial use, this high-performance rubber coating is ideal for fibre cement and chromadek roofs, concrete, metal sheeting, garden pots, and more.

Whether you're sealing new surfaces, refurbishing aged metal sheeting, or working with membranes and weathered roofs, RCM Rubber Seal offers exceptional adhesion, UV resistance, and flexibility to withstand harsh climates—including coastal conditions.

Seal it once, seal it right – with RCM Rubber Seal It! This high-performance waterproof coating is specially formulated to protect and extend the life of a wide range of surfaces, including:

• Fibre cement roof sheets
• Concrete roofs
• Chromadek
• Zincalume and AluZinc
• Exterior trim like fascia boards, gutters, and garden pots

Whether you're tackling a weathered roof, a new surface, or anything in between, RCM Rubber Seal It delivers exceptional adhesion, durability, and weather resistance.

How to apply.

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Key Features:

• ✅ Versatile Compatibility – Ideal for metal, cement, asbestos, Nutec, and membrane surfaces.
• ✅ Eco-Friendly & Harvest-Safe – Solvent-free formula makes it suitable for rainwater harvesting applications.
• ✅ Double Coat Coverage – 5L covers approx. 6m² (double coated), delivering strong, long-lasting protection.
• ✅ Low Maintenance – Just reapply every 3–5 years to maintain peak performance.
• ✅ Mould & Fungi Resistant – Use with RCM Fungi Wash to eliminate spores and prevent future growth.
• ✅ Primer Friendly – Pairs perfectly with RCM Anti-Corrosion Primer, RCM Bonding Liquid, and RCM Rust Converter for problem areas.
• ✅ User Friendly – Easy to apply with an RCM Paint Brush or roller, with a touch-dry time of just 2 hours under ideal conditions.

In addition, you can enhance your waterproofing system by adding the RCM Waterproofing Membrane for extra durability and the RCM Waterproofing Tape for sealing joints and edges.

Application Areas:

• Roofs (metal, chromadek, fibre cement)
• Exterior walls
• Gutters and downpipes
• Cracks, seams, and joints
• Waterproofing membranes

Safety & Storage:

• Keep out of reach of children
• Use in well-ventilated areas
• Clean up with warm, soapy water
• Not classified as hazardous

Colours

What's in the box:

1 x RCM Rubber Seal it Waterproof Coating