The K-Rend HPX Base Coat is a high-performance preparation render for difficult or unusual substrates requiring superior flexibility and adhesion. Formulated with advanced high polymer technology and fibres, HPX is ideal for lightweight block work and high-suction brick. It is compatible with a wide range of K Rend finishes, including dash, scraped texture, and brick rend, making it a versatile base coat for residential and commercial rendering systems.

Key Features

• Suitable for use alongside most K-Rend finishes, such as Scraped Render
• Guarantees excellent flexibility and adhesion
• Can be sprayed or applied by hand with a float
• Innovative high polymer technology
• Easy to mix

Technical Information

• Thermal conductivity: P=50% - 0.35 & P = 90% - 0.40
• Coverage: 6-9kg per m² at a 4-6mm thickness
• Capillary water absorption category: W2
• Compressive strength: CS III
• Curing time: 24 hours
• Pack weight: 25kg

Application Instructions

• Use Alkali Resistant Reinforcing Mesh at stress points like door and window reveals
• A primary coat should be applied to the substrate where appropriate in preparation for secondary coats
• Straight with a darby or straight edge to ensure uniformity
• Form a light key only

Approvals

• Classified according to BE EN 998-1