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Johnstone’s Stormshield High Performance Render Basecoat

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Johnstone’s Stormshield High Performance Render Basecoat

Prepare and enhance your exterior wall surfaces with Johnstone’s Stormshield High Performance Render Basecoat – the durable, high-quality primer and base layer designed to ensure optimal adhesion and long-lasting performance of your render system. Perfect for new constructions, refurbishments, and retrofit projects, this advanced basecoat provides a reliable foundation for finishing renders.

Achieve a flawless, long-lasting render system with Johnstone’s Stormshield High Performance Render Basecoat – the reliable foundation for your external wall finishing project.

Total area: 2 m²

If you would like to ‘make any changes’ please contact us, stating your order number.

In stock

Application & Usage

Suitable for use on substrates such as brickwork, blockwork, and existing render. Ideal for preparing walls before applying the final render or decorative finish. Apply in a single coat with a trowel or spray equipment, with a typical thickness of 3-5mm. Ensure proper surface preparation for best results, including cleaning and dampening the substrate.

Key Features:

  • Superior Adhesion: Formulated to bond effectively with various substrates, including brick, blockwork, and existing render, ensuring a smooth and stable base for subsequent layers.
  • High Durability: Engineered to withstand weathering, frost, and UV exposure, maintaining its integrity and performance over time.
  • Enhanced Flexibility: Designed to accommodate minor substrate movements without cracking, reducing maintenance needs.
  • Water-Resistant & Breathable: Offers excellent water resistance while allowing vapour permeability, helping to prevent damp and mould issues inside the building.
  • Easy to Apply: Smooth, creamy consistency allows for easy trowelling or spraying, ensuring a professional finish with minimal effort.
  • Compatibility: Works seamlessly with Johnstone’s Stormshield One Coat Render and other finishing coats for a complete, high-performance rendering system.
  • Environmentally Friendly: Low VOC formulation supports sustainable building practices and healthier indoor environments.

Technical Specifications:

  • Composition: Polymer-modified cement-based basecoat
  • Coverage: Approximately X m² per bag (based on thickness and substrate)
  • Drying Time: Usually 24 hours, depending on weather conditions
  • Colour: Available in various standard shades

Composition:

Advanced polymer-modified cement-based render

  • Coverage: Approximately X m² per bag (depending on thickness)
  • Drying Time: Typically 24-48 hours, depending on weather conditions

Guarantee & Standards:

Meets all relevant UK building standards. Backed by manufacturer guarantees for quality and performance.

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