Weber.Rend Aid is a polymer modified cement and sand mix. The powder blend includes an integral bonding agent so that it requires only the addition of clean water on site. This product is ideal as a pre treatment for renderings required to resist severe exposure conditions. This product comes in a 25kg bag

• To achieve a good key for rendering onto smooth or otherwise unsuitable but sound surfaces
• Ideal as a pre-treatment for renderings required to resist severe exposure conditions
• Equalises suction on mixed backgrounds
• Provides excellent suction control across both high and low suction substrates
• Resists the penetration of external water to improve the weather resistance of rendering systems
• Quality controlled and factory blended to give a consistently high quality product
• Apply with a hawk and trowel or an open hopper spray gun, apply a tight layer 2 - 3 mm thick to the substrate. Texture the surface using a well loaded roller
• Suitable substrates: dense concrete brickwork blockwork masonry clean, sound, well adhered existing render (<19mm)