Professional-Grade Surface Preparation for External Rendering

Bostik Renderers Stabilising Primer, powered by Plasprime® Technology, is developed for the rendering professional. It primes and stabilises both porous and non-porous external surfaces, ensuring excellent adhesion and a uniform substrate for new render applications. Grey in colour for easy visibility, it also contains approximately 20% recycled material, supporting more sustainable building practices.

Key Features & Benefits

Technical Specifications

Application Guidelines

  1. Ensure surface is dry, clean, and free of dust, oil, or loose material.
  2. Apply directly from the container using a soft brush or roller.
  3. Allow to dry fully (approx. 24 hrs) before applying render.

Product Comparison: Stabilising Primer vs Common Alternatives

Feature / Product Bostik Renderers Stabilising Primer SBR Bonding Agent PVA Bonding Agent Traditional Scratch Coat
Purpose Priming & stabilising before render Bonding agent for difficult substrates Bonding & sealing Mechanical keying layer
Porous Surfaces
Non-Porous Surfaces ⚠ Requires mechanical key
Replaces Scratch Coat N/A
Ready to Use ✘ (dilution needed) ✘ (dilution needed) ✘ (site mix)
Coloured for Visibility ✔ Grey ✘ Clear/white ✘ Clear
Interior/Exterior Use ✔ Both ✔ Both ✘ Mainly interior ✔ Both
Adhesion Strength ⭐⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐ ⭐⭐⭐
Contains Recycled Material ✔ ~20%

Storage & Safety

Bostik Renderers Stabilising Primer simplifies exterior wall preparation—cutting labour, increasing consistency, and delivering dependable adhesion for professional render applications.

DIY Refurb
Replastering

Professional-Grade Surface Preparation for External Rendering

Bostik Renderers Stabilising Primer, powered by Plasprime® Technology, is developed for the rendering professional. It primes and stabilises both porous and non-porous external surfaces, ensuring excellent adhesion and a uniform substrate for new render applications. Grey in colour for easy visibility, it also contains approximately 20% recycled material, supporting more sustainable building practices.

Key Features & Benefits

Technical Specifications

Application Guidelines

  1. Ensure surface is dry, clean, and free of dust, oil, or loose material.
  2. Apply directly from the container using a soft brush or roller.
  3. Allow to dry fully (approx. 24 hrs) before applying render.

Product Comparison: Stabilising Primer vs Common Alternatives

Feature / Product Bostik Renderers Stabilising Primer SBR Bonding Agent PVA Bonding Agent Traditional Scratch Coat
Purpose Priming & stabilising before render Bonding agent for difficult substrates Bonding & sealing Mechanical keying layer
Porous Surfaces
Non-Porous Surfaces ⚠ Requires mechanical key
Replaces Scratch Coat N/A
Ready to Use ✘ (dilution needed) ✘ (dilution needed) ✘ (site mix)
Coloured for Visibility ✔ Grey ✘ Clear/white ✘ Clear
Interior/Exterior Use ✔ Both ✔ Both ✘ Mainly interior ✔ Both
Adhesion Strength ⭐⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐ ⭐⭐⭐
Contains Recycled Material ✔ ~20%

Storage & Safety

Bostik Renderers Stabilising Primer simplifies exterior wall preparation—cutting labour, increasing consistency, and delivering dependable adhesion for professional render applications.

DIY Refurb
Replastering
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£59.00

Bostik Plasterers Primer (Plasprime Technology) - 10L


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Professional-Grade Surface Preparation for External Rendering

Bostik Renderers Stabilising Primer, powered by Plasprime® Technology, is developed for the rendering professional. It primes and stabilises both porous and non-porous external surfaces, ensuring excellent adhesion and a uniform substrate for new render applications. Grey in colour for easy visibility, it also contains approximately 20% recycled material, supporting more sustainable building practices.

Key Features & Benefits

  • Exceptional surface key: Promotes render adhesion on concrete, brick, block, and plaster
  • Replaces scratch coats: Eliminates the need for an initial keying layer on many substrates
  • Controlled application: Grey tint ensures even, visible coverage
  • Ready to use: No mixing required—apply directly with brush or roller
  • Sustainable formulation: Contains ~20% recycled content

Technical Specifications

  • Form: Viscous liquid
  • Colour: Grey
  • Coverage: 2–4 m² per litre depending on substrate
  • Drying Time: Typically 24 hours
  • Application Temperature: Above +5 °C
  • Shelf Life: 12 months in unopened packaging

Application Guidelines

  1. Ensure surface is dry, clean, and free of dust, oil, or loose material.
  2. Apply directly from the container using a soft brush or roller.
  3. Allow to dry fully (approx. 24 hrs) before applying render.

Product Comparison: Stabilising Primer vs Common Alternatives

Feature / Product Bostik Renderers Stabilising Primer SBR Bonding Agent PVA Bonding Agent Traditional Scratch Coat
Purpose Priming & stabilising before render Bonding agent for difficult substrates Bonding & sealing Mechanical keying layer
Porous Surfaces
Non-Porous Surfaces ⚠ Requires mechanical key
Replaces Scratch Coat N/A
Ready to Use ✘ (dilution needed) ✘ (dilution needed) ✘ (site mix)
Coloured for Visibility ✔ Grey ✘ Clear/white ✘ Clear
Interior/Exterior Use ✔ Both ✔ Both ✘ Mainly interior ✔ Both
Adhesion Strength ⭐⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐ ⭐⭐⭐
Contains Recycled Material ✔ ~20%

Storage & Safety

  • Store upright between +5 °C and +30 °C in a dry place, protected from frost and sunlight
  • Secure lid tightly after use to prevent drying
  • Clean tools immediately with water
  • Refer to SDS for full handling precautions

Bostik Renderers Stabilising Primer simplifies exterior wall preparation—cutting labour, increasing consistency, and delivering dependable adhesion for professional render applications.

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Bostik Plasterers Primer (Plasprime Technology) - 10L - Armstrong Cheshire
DIY Refurb

Bostik Plasterers Primer (Plasprime Technology) - 10L

£59.00

Professional-Grade Surface Preparation for External Rendering

Bostik Renderers Stabilising Primer, powered by Plasprime® Technology, is developed for the rendering professional. It primes and stabilises both porous and non-porous external surfaces, ensuring excellent adhesion and a uniform substrate for new render applications. Grey in colour for easy visibility, it also contains approximately 20% recycled material, supporting more sustainable building practices.

Key Features & Benefits

Technical Specifications

Application Guidelines

  1. Ensure surface is dry, clean, and free of dust, oil, or loose material.
  2. Apply directly from the container using a soft brush or roller.
  3. Allow to dry fully (approx. 24 hrs) before applying render.

Product Comparison: Stabilising Primer vs Common Alternatives

Feature / Product Bostik Renderers Stabilising Primer SBR Bonding Agent PVA Bonding Agent Traditional Scratch Coat
Purpose Priming & stabilising before render Bonding agent for difficult substrates Bonding & sealing Mechanical keying layer
Porous Surfaces
Non-Porous Surfaces ⚠ Requires mechanical key
Replaces Scratch Coat N/A
Ready to Use ✘ (dilution needed) ✘ (dilution needed) ✘ (site mix)
Coloured for Visibility ✔ Grey ✘ Clear/white ✘ Clear
Interior/Exterior Use ✔ Both ✔ Both ✘ Mainly interior ✔ Both
Adhesion Strength ⭐⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐ ⭐⭐⭐
Contains Recycled Material ✔ ~20%

Storage & Safety

Bostik Renderers Stabilising Primer simplifies exterior wall preparation—cutting labour, increasing consistency, and delivering dependable adhesion for professional render applications.

Size

  • 10 Litre
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